Rebecca Deans MBBS MMed MRANZCOG

• Fellow in Paediatric and Adolescent Gynaecology, University
• College London Hospital, London
• and Conjoint Lecturer,
• University of New South Wales, Sydney, Australia

In pregnant diabetic women managing diabetes tips purchase generic glimepiride canada, the effect (toxic) of glucose will cause accelerated fetal growth diabetic diet uptodate glimepiride 4 mg low cost. The growth of the fetal head and femur follows a pattern similar to that of "normal" fetuses blood glucose quantitative test glimepiride 2 mg amex. The reliability of fetal weight estimation was reflected in the overall error of less than 10% diabetes in dogs how much insulin discount glimepiride 2 mg with amex. The results of our study support the existence of both early and late accelerated growth patterns in the fetuses of gestational and pregestational diabetic women diabetes young 2 mg glimepiride sale. These patterns are inherently different from the growth patterns exhibited by macrosomic fetuses of nondiabetic postdate women. Growth escalation began at 33 weeks gestation and reached the 90th percentile at 36 weeks gestation. Other organs affected by the diabetic fetopathy leading to restricted or accelerated growth may be used as potential markers for these deviant growth patterns. These may include subcutaneous fat in the cheek, skin fold thickness, and liver size. Mean blood glucose in the two growth patterns were comparable: 107 ± 16 mg/dL in the early pattern and 116 ± 18 mg/dL in the late pattern. Thus, differences in glycemic profile cannot be attributed to either early or late onset of accelerated growth. Identification of fetuses in the first and second trimesters at the 90th percentile will suggest genetic influence and constitutional macrosomia rather than diabetic fetopathy. Further confirmation can be made by evaluating insulin levels in the amniotic fluid prior to unnecessary intervention during the 37th to 38th weeks of gestation. The evidence for the presence of fetal hyperinsulinemia will classify the fetus at risk. However, it is important to note that measurements of amniotic fluid insulin will not identify all hyperinsulinemic fetuses since insulin metabolizes primarily in the liver. Fat mass accounts for approximately 14% of the birth weight, but explains 46% of the variance in birth weight. Several studies have demonstrated that adiposity is higher in infants of diabetic mothers. Extra fat may be concentrated in the upper body of these infants, and this weight disproportion may increase their risk of shoulder dystocia. Macrosomic infants of diabetic mothers may have different anthropometric and body composition characteristics than those of nondiabetic patients. Osler95 described a higher body fat percentile in 12 infants of diabetic mothers but did not indicate whether they were macrosomic. Although these studies addressed adiposity, they did not describe anthropometric and body composition characteristics in the same macrosomic infants of diabetic mothers. In our study,100 we described the characteristics that can potentially contribute to shoulder dystocia in macrosomic infants of diabetic mothers: body composition and anthropometric characteristics on the same macrosomic infants. These conditions are rare and are classified as nondiabetic primary abnormal growth excess of prenatal onset. The pathogenesis associated with abnormal secondary growth excess of prenatal onset is more widely known than that of primary growth excess. Early detection of the maternal risk factors associated with fetal macrosomia may alert the physician to the possibility of its occurrence. Approximately 200 cases have been reported since Beckwith and Wiedemann reported this distinct clinical entity. Hydramnios is common and, in spite of a relatively high incidence of prematurity, the birth weight and length average 4 kg and 52. Affected fetuses have adrenocortical and pancreatic cell hyperplasia, including an excess of islet cells, primary abnormal growth excess and are born with hyperinsulinemia. Some experience profound neonatal hypoglycemia (about 33%­50% of the neonates) with seizures, apnea, and cyanosis. Polyerythrocythemia, hyperviscosity, and respiratory difficulty, generally because of macroglossia, are common. When the condition is detected and adequately treated in the neonatal period, the mental capacity is apparently normal. Macroglossia becomes less of a problem when growth of the oral cavity enlarges its space relative to the size of the tongue. Beckwith­ Wiedemann syndrome should be suspected in any pregnancy in which macrosomia exists without maternal diabetes. Neonatal complications are similar in many respects to those seen in infants of diabetic mothers. Although hyperinsulinemia is not a constant finding in this syndrome, it has been reported that there is an increase in insulin receptor number and affinity in erythrocytes and it has been suggested that the overgrowth may be a consequence of increased tissue responsiveness to normal circulating concentrations of insulin. Steroid treatment is usually required for only the first four or five months of life. An ultrasound examination should be performed to confirm large fetal size and to evaluate for hydramnios in any pregnancy in which macrosomia is suspected. Although data are not available, it is anticipated that in the fetuses with omphalocele, a hint of the process would be provided early in pregnancy by elevation of the maternal serum -fetoprotein concentration. Fetal cells in amniotic fluid obtained by amniocentesis should be karyotyped because of the possibility of aneuploidy, and the fluid should also be evaluated for insulin concentration, as outlined earlier, for diagnostic purposes only. There is no evidence that additional insulin provided to the mother would be of any benefit to the fetus. Serial ultrasound examinations and -fetoprotein concentration determinations are recommended at 6-month intervals for the first 6 years of life to achieve early detection of tumor development. These infants have persistent hyperinsulinemia and hypoglycemia and have disorganized islets with a relative increase in -cells. It has been postulated that the primary abnormality may be disordered islet organization that prevents the usual paracrine regulation in insulin secretion by other hormones, in particular, by somatostatin, the normal product of the delta cells, present in the islet. Surgical ablation of up to 95% of the pancreas is the only long-term treatment of nesidioblastosis. The etiology of nesidioblastosis is unclear, but it appears to represent an autosomal recessive disorder of pancreatic development. These infants are phenotypically similar to the infants of the diabetic mother, with macrosomia particularly of adipose and muscle tissue. The condition has been described in five children of both sexes from two families. Nesidioblastosis should be considered in the differential diagnosis when evaluating a macrosomic fetus. One has to proceed in the same way as with the diabetic pregnancy, using ultrasound to confirm macrosomia, amniocentesis for amniotic fluid insulin concentration, and preparation for the delivery of a large fetus. There are no data to indicate a beneficial effect of additional exogenous insulin given to the mother. The fetus is macrocephalic and dolichocephalic and on close inspection has prognathism with a narrow anterior mandible. Prognathism and narrow mandibular development may or may not be detectable by ultrasound. In contrast, macrosomia is the result of excess substrate availability, which results in facilitated anabolism leading to increased cell size. The regulation of fetal growth remains poorly understood, and continued research efforts are indicated. Birth weight and fetal death in the United States: the effect of maternal diabetes during pregnancy. The association between birthweight 4000g or greater and perinatal outcomes in patients with and without gestational diabetes mellitus. Intrauterine growth as estimated from liveborn birth weight data at 24 to 42 weeks of gestation. Subhuman primate pregnancy complicated by streptozotocin-induced diabetes mellitus. Changes in somatic growth after ablation of maternal or fetal pancreatic beta cells. Fetal growth restriction may then be viewed as the appropriate adaptation to limited substrate 72 the Diabetes in Pregnancy Dilemma 23. Increased erythropoiesis and elevated erythropoietin in infants born to diabetic mothers and in hyperinsulinemic rhesus fetuses. Metabolic events in infants of diabetic mothers during the first 24 hours after birth. Effects of physiologic hyperinsulinemia on fetal substrates, hormones, and hepatic enzymes. In: Proceedings of the 38th Annual Meeting of the Society for Gynecologic Investigation; 1992; San Antonio, Texas. Birth weight, gestational age, and renal glomerular development as indices of fetal maturity. Endocrine regulation of human fetal growth: the role of the mother, placenta and fetus. Risk of large-for-gestational-age newborns in women with gestational diabetes by race and ethnicity and body mass index categories. Matrilineal transmission of birth weight in the rhesus monkey (Macaca mulatta) across several generations. Chronic hyperinsulinemia in the fetal rhesus monkey: effects of physiological hyperinsulinemia on fetal growth and composition. A link between relative hypoglycemia-hypoinsulinemia during oral glucose tolerance tests and intrauterine growth retardation. Identifying the pregnancy at risk of intrauterine growth retardation: possible usefulness of the intravenous glucose tolerance test. The glucose tolerance test as a means of identifying intrauterine growth retardation. Responses to acute elevation of the fetal glucose concentration and placental transfer of human insulin-I-131. Effect of sustained maternal hyperglycemia on the fetus in normal and diabetic pregnancies. Increased fetal insulin receptors and changes in membrane fluidity and lipid composition. Similar distribution of insulin-like growth factor binding proteins-1,-2,-3 in human fetal tissues. Insulin and insulin-like growth factors/somatomedins in fetal and neonatal development. Serum insulin-like growth factors binding proteins in the human fetus: relationships with fetal growth in normal subjects with intrauterine growth retardation. The concentration of insulin-like growth factor and insulin-like growth factor binding protein-1 in human umbilical cord serum at delivery: relationship to birth weight. Arachidonic and docosahexaenoic acid in the blood of a mother and umbilical vein in diabetic pregnant women. Human placental growth hormone causes severe insulin resistance in transgenic mice. Prenatal Nutrition and birth weights: experiments and quasi-experiments in the past decade. Sonographic evaluation of fetal abdominal growth: predictor of the large-for-gestational age in pregnancies complicated by diabetes mellitus. Body composition and fat distribution in infants of women with normal and abnormal; glucose tolerance. Birth weight of infants with cyanotic and acyanotic congenital malformations of the heart. Possible etiologic mechanism for the overgrowth and hypoglycemia in patients with BeckwithWiedemann syndrome. However, the possibility of aneuploidy, syndromes, and viral infection should always be considered and fetal karyotyping should be offered. Corroborating evidence from biophysical and computerized heart rate analyses should be sought whenever possible. This risk is related to the degree of maternal vasculopathy and increases with long-standing maternal disease. Although the perinatal management of growth-restricted fetuses with placental insufficiency has evolved markedly over the past five decades, there is scant information on the impact of maternal diabetes on the disease process. The primary focus of this chapter is to review the pathophysiology and perinatal management of growth-restricted fetuses. The introduction of population-based birth weight reference ranges was a significant advance, since it allowed the classification of fetal growth patterns by comparing actual birth weight to the expected weight at that gestational age. Knowledge of the interactions between etiology, clinical presentation, prognostic factors, and antenatal interventions in pregnancies complicated by growth restriction is required to properly diagnose, assign prognosis, and manage these pregnancies. To formulate a uniform diagnostic and management approach, an understanding of the milestones in normal fetal and placental development and the pathophysiology of disturbed fetal growth is of critical importance. Fetal growth is regulated at multiple levels and requires successful placentation for the coordination of key components in the maternal, placental, and fetal compartments. The initiation of placental vascular development permits nutrient and oxygen delivery beyond the capacity of simple diffusion, and therefore, poses few limitations to the growing trophoblast. Differentiation of placental transport mechanisms and paracrine and endocrine signaling pathways between the mother, placenta, and fetus continues throughout the second trimester. These steps allow placental growth and establishment of efficient and coordinated nutrient transfer, as well as waste and gas exchange, by completion of the second trimester. This is a prerequisite for third trimester exponential fetal growth and differentiation in preparation for extrauterine life. Placental adherence is established by the formation of anchoring villi by the cytotrophoblast. Pathophysiology of fetal growth restriction-Implications for diagnosis and surveillance. These maternal adaptations increase substrate availability and steadiness of nutrient delivery to the placenta, permitting ongoing placental development.

Obstructive symptoms can occasionally result from therapy with antiParkinsonian agents diabetes test scale purchase glimepiride 4 mg fast delivery. All cord injuries that are complete and spare S2 diabetes prevention 4 minute order glimepiride, S3 diabetes diet for dummies generic 1 mg glimepiride overnight delivery, and S4 segments eventually produce upper motor neuron lesions with resultant detrusor overactivity diabetes definition blood glucose levels discount 2 mg glimepiride with mastercard. However diabetes type 1 vs type 2 symptoms buy glimepiride 2 mg with amex, during the initial phase of spinal shock after suprasacral spinal cord injury, the bladder is areflexic, resulting in urinary retention and overflow incontinence. Urogynecologic Conditions Various conditions that may present with symptoms of urgency and frequency are listed in Box 35. Idiopathic detrusor overactivity is reserved for symptoms of urgency and frequency, with or without incontinence, which cannot be explained by the presence of other conditions. Dementia Dementia is a diffuse deterioration in intellectual function manifested primarily by memory deficits and secondarily by changes in conduct. The causes of dementia include aging, severe head injury, encephalitis, presenile dementias (including Alzheimer disease, Pick disease, and Jakob-Creutzfeldt disease), hydrocephalus, and syphilis. The mechanism of bladder dysfunction can be direct involvement of the cerebrocortical areas concerned with bladder control or from the loss or inability to control socially appropriate behavior. Detrusor overactivity or areflexia may occur, depending on the cause and severity of the dementia. Urinary Tract Infection Inflammation of the bladder epithelium, with or without associated bacteriuria, has been suggested as a cause of bladder overactivity. Half of those with urodynamic evidence of detrusor overactivity before treatment had stable cystometrograms after the infection was treated. They found that of the 35 patients infected at the time of the study, only three had non-neuropathic detrusor overactivity. Neoplasia Brain tumors in the superior medial frontal lobe can result in bladder dysfunction, which may manifest as irritative voiding symptoms, including detrusor overactivity. Spinal cord tumors above the level of the conus medullaris and cervical spondylosis can also produce detrusor overactivity. Urodynamic Conditions Urethral instability is defined as a spontaneous fall in maximum urethral pressure exceeding one third of the resting maximum urethral pressure in the absence of detrusor activity. If simultaneous urethrocystometry is performed during filling, the diagnosis of urethral instability or uninhibited urethral relaxation can be made. Although the clinical significance of urethral instability is not fully appreciated, some investigators have correlated this finding with symptoms of frequency and urgency. Resnick and Yalla (1987) noted a subgroup of elderly women with detrusor overactivity resulting in incontinence who could not effectively empty their bladders when attempting to void. They named the condition detrusor overactivity with impaired contractility and hypothesized that this may represent the last stage of detrusor overactivity, in which detrusor function deteriorates. Structural or Anatomic Conditions At the level of the urethra, urgency incontinence can occur with outlet obstruction. This is a well-known problem in men with benign prostatic hyperplasia and in younger men and women with spinal cord injuries or multiple sclerosis. In women, bladder outlet resistance from previous anti-incontinence surgery can result in irritative symptoms and urgency incontinence. Abnormal voiding is usually caused by poor detrusor function rather than physical obstruction. However, obstructive voiding sometimes occurs with advanced pelvic organ prolapse and after operations for stress incontinence. The correlation between detrusor overactivity and pelvic surgery is confusing and, at times, unexplainable. Studies on patients operated on for stress incontinence who had stable preoperative cystometrograms note that 7% to 27% develop postoperative detrusor overactivity. Postoperative detrusor overactivity or persistence or worsening of symptoms seems to be more common in patients with previous bladder neck surgery and in those with coexistent detrusor overactivity and preoperative sphincteric incompetence. Partial denervation of the bladder during the operative process with subsequent development of detrusor dysfunction is currently the most accepted theory. Mixed Incontinence Detrusor overactivity can coexist with stress incontinence in up to 30% of patients. Whether this is a coincidental finding or some underlying relationship between these two conditions is unknown. In women with mixed stress and urgency incontinence, a deficient urethral sphincter may result in urgency incontinence, if leakage of urine into the proximal urethra stimulates urethral afferents that induce involuntary voiding reflexes. Interestingly, after anti-incontinence surgery, detrusor overactivity may disappear, remain the same, or worsen. On the other hand, only 75% were cured if, preoperatively, they had low compliance or uninhibited bladder contractions. Women may condition themselves to have urgency and frequency by becoming habitual frequent voiders. This can be seen in women with long-standing stress incontinence because these women will consciously or subconsciously void more frequently to avoid or reduce leakage. This same phenomenon can occur in women with urgency incontinence, resulting in more severe frequency. Psychological or Psychosomatic Causes the psychological status of women with detrusor overactivity has been investigated by several authors with conflicting results. Interestingly, women in whom no urodynamic abnormality could be detected had the highest scores for anxiety and neuroticism. Moore and Sutherst (1990) analyzed the response to treatment of idiopathic Orgasm Orgasm may cause detrusor overactivity. The pathogenesis is unknown, but women sometimes experience urinary urgency or urgency incontinence with a gush of urine during climax. Treatment is the same as for detrusor overactivity; sexual counseling and education are often helpful. Women who responded poorly to treatment had higher psychoneurotic mean scores than those who responded, although one third of poor responders had a normal psychoneurotic score. Patients who responded well to therapy had scores similar to those of normal urban women. Idiopathic Detrusor Overactivity Currently, two different hypotheses have been proposed to explain idiopathic detrusor overactivity; the neurogenic hypothesis and the myogenic hypothesis. The neurogenic hypothesis states that detrusor overactivity arises from generalized nerve mediated excitation of the detrusor muscle. The myogenic hypothesis suggests that overactive detrusor contractions result from a combination of an increased likelihood of spontaneous excitation within smooth muscle of the bladder and enhanced propagation and subsequent spread of contractile signals via cell-to-cell coupling. A pelvic examination should include a thorough inspection of the perineal area and vulva, looking for excoriation, vaginal discharge, or atrophy, suggesting estrogen deficiency. Vaginal examination should include assessment for pelvic organ prolapse, pelvic muscle function, atrophy, and anatomic abnormalities. The urethra can be palpated through the anterior vagina, checking for a mass or purulent discharge from the urethral meatus consistent with a urethral diverticulum. Pelvic floor muscle function should be described by pelvic muscle tone at rest and by the strength of voluntary contraction. Muscle tone and strength can be subjectively described as strong, weak, or absent; or described by a validated graded system, such as the Oxford system, usually on a scale from 1 to 5. Determining the postvoid residual, either with ultrasound or by performing straight catheterization, will help rule out occult voiding dysfunction as well as detrusor hyperactivity with impaired contractility. Pelvic organ prolapse should be evaluated, specifically commenting on the support of the anterior, apical, and posterior vagina. Rectal examination should also be performed to rule out fecal impaction and rectal mass and to assess sphincter tone. Evaluation An important aspect of the evaluation is appreciating the quality of life impact that these symptoms are creating. Standardized quality of life questionnaires are available and can be administered. In addition, specific questions about pelvic organ prolapse, defecatory dysfunction, and sexual dysfunction are important. A thorough medical history should be taken, as well as a surgical history with emphasis on previous bladder or gynecologic surgery. A review of all current prescription medication that the patient is taking is vital. As previously mentioned, bacteriuria may cause detrusor overactivity, which sometimes resolves after the infection has been treated. Urine cytology should be performed to rule out neoplasia in patients with chronic irritative bladder symptoms, particularly in elderly patients and those with microscopic hematuria. Voiding Diary In addition to history-taking, patients can be mailed or given a voiding diary to fill out 48 h before their office visit, usually over a weekend to avoid the possible interference of work. Also, significant changes can be made with daily fluid intake and medication to decrease urinary loss. Follow-up charts are useful to provide evidence to both patient and clinician of treatment response, particularly when bladder retraining is used. The volume voided in 24 h was a mean of 1730 mL (range 4373861 mL) and the mean frequency was 7 (range 2-13) voids per day. One of the interesting findings from this study was that a linear relationship was found between the functional bladder capacity and the volume voided in 24 h. The authors speculate that an increased bladder capacity may be a way to compensate for increased volume without increasing voiding frequency. Physical Examination A physical examination should include a general physical, neurologic, and pelvic examination. Neurologic studies should include a brief mental status examination and evaluation of cranial nerves and deep tendon reflexes. Muscle strength can be assessed by having the patient actively move against resistance, such as shrugging her shoulders against downward pressure. Deep tendon reflexes should be checked at the biceps (C5-C6), triceps (C7), knee (L3-L4), and Achilles tendon (L5-S2). Spinal cord segments S2, S3, and S4 contain important neurons involved with micturition. The anal sphincter and pelvic reflexes are important indicators of sacral cord integrity. Voluntary contraction of the external anal sphincter indicates a minimum level of integrity of pelvic floor innervation. Stroking the skin lateral to the anus elicits a reflex anal sphincter contraction. The bulbocavernosus reflex involves tightening of the bulbocavernosus and ischiocavernosus muscles by tapping or squeezing the clitoris. C, Cough-provoked detrusor instability (intravesical instead of true detrusor pressure is depicted here). Cystometry is the mainstay of investigation for bladder storage function and is the only method of objectively diagnosing detrusor contractions. Sometimes, the provocation needed to reproduce a detrusor contraction cannot be performed in a laboratory setting. This problem has been demonstrated in numerous ambulatory monitoring studies in which symptomatic patients had a stable detrusor during filling in the urodynamic laboratory but had uninhibited contractions when monitored on a continuous basis. Testing should always be performed with the patient in a sitting or erect position because supine filling cystometry alone fails to uncover a significant proportion of bladder overactivity. This resource is supported by an educational grant from Astellas Scientific and Medical Affairs, Inc. Further data is needed to determine if the cost, invasiveness, and potential morbidity outweighs the benefits and risks of empiric treatment. Urethral pressure studies add little to the diagnosis of detrusor overactivity or to the differentiation of patients with stress incontinence from those with urgency incontinence. Patients who had urethral relaxation before detrusor contractions responded better to sympathomimetic drugs, whereas patients without urethral pressure changes responded more favorably to anticholinergic drugs. In another study, urethral instability occurred in 42% of patients with detrusor overactivity and was strongly associated with the sequence of urethral relaxation before an unprovoked contraction. This study concluded that, based on a urethral response, two subgroups of detrusor overactivity may exist. This observation is important because these patients are probably unable to voluntarily contract the external sphincter at the moment of the detrusor contraction, thus, they are unable to inhibit urine loss. The finding on physical examination of a mass below the urethra consistent with a urethral diverticulum may be another indication for cystourethroscopy. The clinician should always pay attention to occupational exposures or medications that could potentially be bladder irritants. Definitive indications for cystourethroscopy include microscopic hematuria and abnormal urine cytology. Cystoscopy should also be considered if the diagnosis is in doubt or if the patient shows no response to appropriate behavioral and pharmacologic therapy. Treatments range from nonsurgical to surgical with varying degrees of invasiveness and monetary investment. Patients are given preprinted cards, on which they record voiding (daily and nightly), involuntary leaking episodes, and occurrences that precipitate incontinence. Patients are instructed to make an earnest effort to follow the schedule during the day, attempting to suppress urgency and voiding only at the scheduled times regardless of the presence or absence of urinary urgency. Patients are instructed to contract their pelvic floor muscles when they feel urgency and impending urgency incontinence, to suppress involuntary bladder overactivity. Follow-up visits are scheduled every 1 to 2 weeks, at which time the cards are reviewed with the patient. Enthusiastic patient contact, reassurance, good longterm support, and follow-up are important. Because the success rate is so good and the therapy involves low cost bladder retraining drills should be the first line of therapy in patients with detrusor overactivity. Biofeedback Biofeedback is a form of patient reeducation, such that normally unconscious physiologic processes are made accessible by auditory, visual, or tactile signals, while attempts are made to modify the process by manipulating the signal presented to the patient. This method has been used with some success in the treatment of autonomic dysfunctions, hypertension, and cardiac dysrhythmias. As an example of how biofeedback can be used to treat detrusor overactivity, after cystometry is explained to the patient, bladder filling begins and an audible signal is used to let the patient know that her bladder pressure is rising.

General Intraoperative and Postoperative Procedures If the surgeon is concerned that intravesical suture placement or ureteral obstruction may have occurred diabetes prevention program va buy glimepiride online pills, cystoscopy-either transurethrally or through the dome of the bladder-or a small cystotomy may be performed to document ureteral patency and the absence of intravesical sutures after retropubic procedures blood sugar medication discount glimepiride on line. Intravenous injection of indigo carmine before cystoscopy aids visualization of urine from the ureters diabetes insipidus name origin generic glimepiride 1 mg fast delivery. Closed suction drains in the retropubic space are used only as necessary when hemostasis is incomplete and there is concern about postoperative hematoma diabetes 800 generic 1 mg glimepiride with amex. The bladder is routinely drained with a suprapubic or transurethral catheter for 1 to 2 days diabetes diet information spanish purchase glimepiride with visa. After that time, the patient is allowed to begin voiding trials and postvoid residual urine volumes are checked, either with the suprapubic catheter or by intermittent self-catheterization. Quality studies, including prospective randomized trials, have been conducted comparing Burch colposuspension to synthetic midurethral and fascial slings. Early studies using subjective outcome measures reported that over 90% of women were continent after this procedure. At 3 to 24 months after surgery, 59% to100% of patients became continent, for an overall average cure rate of about 85%. At 3 to 7 years, continence rates range from 63% to 89%, for an average rate of 77%. Although objectively incontinent, a small percentage of additional patients were judged to be improved and satisfied with the surgical results. Stress incontinence was cured in 71% of patients with stable bladders preoperatively and in 57% of those with mixed stress incontinence and detrusor overactivity, a nonsignificant difference. After 5 years, only 52% of the study group was completely dry and free of complications; about 30% needed further incontinence therapy. Black and Downs published a systematic review in 1996 describing the effectiveness of surgery for stress incontinence in women. The methodological quality of studies was assessed, including all of the randomized controlled trials up to that time. There was preliminary evidence that laparoscopic colposuspension and open paravaginal defect repair may have somewhat lower cure rates than open Burch procedures. Colposuspension appeared to be more effective than anterior colporrhaphy and needle urethropexy procedures in curing and improving stress incontinence. About 85% of women can expect to be continent 1 year after colposuspension, compared with 50% to 70% after anterior colporrhaphy and needle suspension. The benefit of Burch colposuspension is maintained for at least 5 years, whereas the benefits from anterior colporrhaphy and needle suspension diminish rapidly. Of the four prospective studies (done before 1996) comparing Burch colposuspension and sling procedures, none reported a difference in cure, however defined, regardless of whether the operations were carried out as primary or secondary operations. Several studies assessed women more than 10 years after undergoing a Burch procedure. Both subjective and objective outcome measures were collected during the follow-up period. The cure of incontinence was found to be time-dependent, with a decline for 10 to 12 years and then a plateau at 69%. Cure rates were significantly lower in women who had had previous bladder neck surgery. Approximately 10% of patients required at least one additional surgery to cure stress incontinence. However, more women who underwent the sling procedure had complications such as urinary tract infections, voiding dysfunction, and postoperative urge incontinence. Continence rates at 1 year are approximately 85% to 90%, and at 5 years are about 70%. They concluded that patients treated with retropubic midurethral slings experienced slightly higher continence rates than those treated with Burch colposuspension, but bladder perforations were more common with retropubic slings. Clinical conditions that increase the risk of surgical failure for retropubic colposuspension are shown in Box 18. They include baseline urge symptoms, obesity, menopause, prior hysterectomy, prior anti-incontinence procedures, and more advanced prolapse. Advanced age and concomitant hysterectomy do not appear to be associated with lower rates of cure after colposuspension. Urodynamic findings that increase the risk of surgical failure include signs of intrinsic urethral sphincter deficiency (however defined), abnormal perineal electromyography, and concurrent overactive bladder. Patients with intrinsic sphincter deficiency probably are better treated with a more obstructive operation such as a sling procedure if the urethra is hypermobile, or with urethral injections of a bulking agent if the urethra is nonmobile. The course of the overactive bladder after a retropubic repair in patients with mixed incontinence is unpredictable. Interestingly, some studies demonstrate that 50% to 60% of patients with mixed incontinence are cured of overactive bladder symptoms by surgical support of the bladder neck. A much smaller percentage (approximately 5%-10%) have worsening of urgency, and the remainder (20%-30%) have persistence. Unfortunately, preoperative urodynamic parameters do not accurately predict the course of overactive bladder after incontinence surgery. For this reason, we believe that women with mixed incontinence should initially receive nonsurgical therapy. Karram and Bhatia (1989) found that 32% of women with mixed incontinence became dry after nonsurgical therapy. These data suggest that initial nonsurgical therapy will save up to one-third of patients the cost and morbidity of incontinence surgery. Mechanisms of Cure Retropubic suspension procedures elevate and stabilize the bladder neck and proximal urethra in a high retropubic position. This results, at least partially, in mechanical compression of the urethra against the stable, elevated anterior vaginal wall or the posterosuperior aspect of the symphysis pubis during episodes of increased abdominal pressure. The principal urodynamic change in urethrovesical function postoperatively, although no longer commonly measured, is increased pressure transmission to the urethra, relative to the bladder, during elevations in intra-abdominal pressure. Resting urethral pressure and functional urethral length are unchanged, which suggests that the intrinsic function of the urethra is not altered appreciably by this type of surgery. The greater the difference in preoperative and postoperative pressure transmission ratios, the more likely the patient will be continent after Burch colposuspension. If the retropubic procedure fails to elevate and stabilize the urethra and postoperative pressure transmission ratios remain <100%, the patient may continue to have stress incontinence postoperatively. Appropriate elevation of the bladder neck and urethra, accompanied by pressure transmission ratios near 100%, results in continence in most patients. Patients also experience decreased flow rates and increased detrusor pressure at maximal flow. These observations suggest that an additional mechanism results, probably partial outflow obstruction. Paravaginal defect repair procedures do not overelevate the bladder neck and proximal urethra; thus, they may have somewhat lower cure rates for stress incontinence but with fewer postoperative problems such as urgency and voiding dysfunction. Accidental placement of sutures into the bladder during colposuspension or paravaginal defect repair, resulting in vesical stone formation, painful voiding, recurrent cystitis, or fistula, can occur but is rare Table 18. Ureteral obstruction occurs rarely after Burch colposuspension and results from ureteral stretching or kinking after elevation of the vagina and bladder base. One study reported three unilateral ureteral obstructions and three bilateral ureteral obstructions in 483 Burch colposuspensions (1. All patients were treated successfully with removal of sutures and ureteral stenting. Lower urinary tract fistulas are uncommon after retropubic procedures, with various types occurring after 0. Fistulas are probably less common after Burch and paravaginal defect repairs because the sutures are placed several centimeters lateral to the urethra. Postoperative Voiding Difficulties the incidence of voiding difficulties after colposuspension varies widely, although patients rarely have urinary retention after 30 days. In our hands, the mean number of days to complete voiding after open Burch procedure is 7 days. Fifteen percent of these patients had residual urine volumes of 100 to 300 mL the fifth day after surgery. Colposuspension can change the original micturition pattern and introduce an element of obstruction that can disturb the balance between voiding forces and outflow resistance, resulting in immediate postoperative as well as late voiding difficulties. Urodynamic findings that may occur after colposuspension include decreased flow rate, increased detrusor pressure at maximal flow, and increased urethral resistance. Wound complications and urinary infections are the most common surgical complications. Bhatia and Bergman (1984) found that all patients with adequate detrusor contraction and flow rates preoperatively were able to resume spontaneous voiding by the seventh postoperative day after Burch colposuspension. One-third of patients who voided without detrusor contraction required bladder drainage for 7 days or longer. No patients with decreased flow rates and absent detrusor contraction during voiding were able to void in less than 7 days postoperatively. These authors believed that use of a Valsalva maneuver during voiding may further lead to postoperative voiding difficulties, perhaps by intensifying obstruction at the bladder neck. Abdominal straining during voiding was not associated with prolonged voiding after surgery. Overactive Bladder Overactive bladder is a recognized postoperative complication of retropubic procedures. Of the 14 symptomatic patients, four improved with drugs aimed at correcting the urgency. As noted previously, excessive urethral elevation or compression can lead to partial outflow obstruction and resulting urgency. Whatever the mechanism, postoperative overactive bladder predictably occurs in a small but significant number of patients. Patients undergoing retropubic urethropexy should understand that the operation may cause urgency and urge incontinence, even if it cures their stress incontinence. It may result from infection, from trauma to the periosteum, or from impaired circulation in the vessels around the symphysis pubis. Osteitis pubis is characterized by suprapubic pain radiating to the thighs and is exacerbated by walking or abduction of the lower extremities, marked tenderness and swelling over the symphysis pubis, and radiographic evidence of bone destruction with separation of the symphysis pubis. The clinical course varies from prolonged, progressive debilitation over several months to spontaneous resolution after several weeks. Suggested conservative treatments include rest, physical therapy, steroids, and nonsteroidal antiinflammatory agents. Treatments are antibiotics, incision and drainage if abscess formation occurs, or symphyseal wedge resection or debridement. Enterocele and Rectocele Burch (1968) first reported that enteroceles occurred in 7. Although not all authors agree, performing a Burch colposuspension may increase the risk of developing apical or posterior vaginal prolapse in the future. This observation is consistent with other types of vaginal reconstructive surgery in which it has been observed that suspension of one vaginal segment can predispose to new prolapse in the other, unrepaired segment. Therefore, whenever possible, a cul-de-sac obliteration in the form of uterosacral plication, Moschcowitz procedure, or McCall culdoplasty should be performed at the time of retropubic colposuspension to prevent enterocele formation, although the true efficacy of this prophylactic maneuver is unknown. Rectocele repair should be done as indicated for symptomatic or large rectoceles, although care should be taken to avoid a resulting midvaginal ridge; the postoperative rate of dyspareunia may be as high as 38% when these two procedures are combined. Osteitis Pubis Osteitis pubis is a painful inflammation of periosteum, bone, cartilage, and ligaments of structures of the anterior pelvic girdle. It is a recognized postoperative complication of urologic and radical gynecologic procedures involving the prostate gland or urinary bladder. It also can occur rarely after placement of artificial urinary sphincters and after radical pelvic surgery for gynecologic malignancies. Forty-five patients were randomly assigned to receive colposuspension only or colposuspension plus abdominal hysterectomy and cul-de-sac obliteration. In general, hysterectomies should be performed only for specific uterine pathology or for the treatment of uterovaginal prolapse. Pregnancy after Retropubic Surgery Most physicians suggest that the patient finish childbearing before surgical correction of stress incontinence is attempted. Few data demonstrate the continence status when pregnancy or vaginal delivery occurs after a retropubic repair or sling. Thus, although surgical treatment for stress incontinence generally should be reserved for women who have finished childbearing, no data convincingly demonstrate that a pregnancy and vaginal delivery would or would not be satisfactory for women after retropubic surgery. Most surgeons prefer not to place polypropylene midurethral slings if the woman desires more pregnancies, although data on this are scarce as well. We believe that an elective caesarean delivery would be an acceptable option for patients who become pregnant after a Burch colposuspension, if desired after careful review of the pertinent risks and benefits. Mini-incision Burch urethropexy: a less invasive method to accomplish a time-tested procedure for treatment of genuine stress incontinence. Outcome of Burch retropubic urethropexy and the effect of concomitant abdominal hysterectomy: a prospective long-term follow-up study. A six-year experience with paravaginal defect repair for stress urinary incontinence. Three surgical procedures for genuine stress incontinence: five-year follow-up of a prospective randomized study. The effectiveness of surgery for stress incontinence in women: a systematic review. Dynamic urethral pressure profilometry pressure transmission ratio determinations after continence surgery: understanding the mechanism of success, failure, and complications. A randomized comparison of Burch colposuspension and abdominal paravaginal defect repair for female stress urinary incontinence. Long-term results of the Burch procedure combined with abdominal sacrocolpopexy for treatment of vault prolapse. Pelvic organ prolapse repair with and without concomitant Burch colposuspension in incontinent women: a randomised controlled trial with at least 5-year follow-up.

At times the true apex of the vagina at the hysterectomy scar is foreshortened and will not reach the intended area of fixation diabetes kidney drugs buy glimepiride 1 mg lowest price, as with a shortened anterior vaginal wall and a prominent posterior enterocele diabetic diet oranges glimepiride 1 mg buy without prescription. In the posterior approach a midline posterior vaginal wall incision is made just short of the apex of the vagina diabetes urine test strips walmart buy glimepiride 2 mg with mastercard, leaving a small vaginal bridge approximately 3 or 4 cm wide managing diabetes genetics buy glimepiride 4 mg fast delivery. The perirectal space or the space along the peritoneum near the apex then is entered by breaking through the fibroareolar tissue just lateral to the enterocele sac at the level of the ischial spine mody diabetes definition order cheap glimepiride line. This can usually be accomplished with blunt dissection after mobilizing the rectum medially. At times, however, the use of gauze on the index finger or a tonsil clamp is necessary to break into this space. The surgeon should take great care to ensure that the rectum is adequately retracted medially. At this time, we recommend performing a rectal examination to ensure that no inadvertent rectal injury has occurred. Several techniques are used for the actual passage of sutures through the ligament. A long retractor such as a Breisky­Navratil retractor can be placed medially to mobilize and protect the rectum if needed. Great care should be taken when retracting in this area to prevent bleeding and nerve and rectal damage. The suture-capturing device, held in the right hand in a closed position, is slid along the palmar surface of the left hand. With the tip of the middle finger, the suturecapturing device notch is placed 3 cm medial to the ischial spine, approximately 0. The handle is released and the device is removed with the suture and the suture is tagged. There is no consensus about suture type; a combination of delayed absorbable and nonabsorbable monofilament sutures are commonly used. If the patient requires an anterior vaginal wall repair, we prefer performing an anterior colporrhaphy at this point in the operation. After the sutures have been brought out through the vagina, the upper portion of the posterior vaginal wall is closed with continuous absorbable No. While tying these sutures, it may be useful to perform a rectal examination to detect any suture bridges. After these sutures are tied, an anti-incontinence procedure and a posterior colpoperineorrhaphy are completed, as needed. Reprinted with permission, Cleveland Clinic Center for Medical Art & Photography © 2012­2013. The risk of ureteral obstruction or kinking is extremely low with sacrospinous ligament colpopexy. However, cystourethroscopy should be performed if a concomitant enterocele repair, anterior colporrhaphy, or anti-incontinence procedure is performed. It also can be used if the vagina is somewhat foreshortened, but the posterior apex needs additional support during rectocele repair. The posterior vaginal wall is opened in the midline as for a posterior colporrhaphy, and the rectovaginal spaces are dissected widely to the bilateral levator muscles. Both ends of the suture are then passed through the ipsilateral posterior vaginal apex and held with a hemostat. Outcomes Although there is a wealth of experience as well as numerous observational studies of transvaginal repair of apical prolapse, there are surprisingly few high-quality cohort studies with long follow-up or randomized trials comparing the different transvaginal repairs. The results of McCall culdoplasty were discussed in a review article by Sze and Karram (1997). Of the early studies reporting 367 patients, 322 (88%) received postoperative follow-up ranging from 1 to 12 years, with a cure rate of 88% to 93%. Early cohort studies of sacrospinous ligament and ileococcygeus colpopexy show the operations to be effective for vaginal apex support, but vaginal prolapse recurs with time, most commonly the anterior wall. With 73-month follow-up in 243 patients who had sacrospinous ligament colpopexy and vaginal repairs, Paraiso et al. Thirteen patients (8%) developed recurrent pelvic support defects at various sites 6 weeks to 5 years after the initial procedure; 2 had apical prolapse, 8 had anterior vaginal prolapse, and 3 had posterior wall defects. They found the procedures to be equally effective with similar complication rates. A more recent systematic review of uterosacral ligament colpopexy showed that the pooled rates for successful anatomic outcome was 81. The recent Cochrane review of surgical management of pelvic organ prolapse does not provide much additional outcome information about the efficacy of native tissue transvaginal prolapse repairs because there are so few randomized surgical trials addressing these surgeries (Maher et al. This is because the transvaginal native tissue repairs are relatively safe, and few related complications require reoperation. Avoiding and Managing Complications All of the transvaginal surgeries involve dissection of vesicovaginal and rectovaginal spaces and thus have small risks of bleeding, cystotomy, and proctotomy. Postoperative vaginal or pelvic infections, voiding difficulties, and urinary tract infections can occasionally occur but are short-lived. The most worrisome complication with McCall culdoplasty and uterosacral ligament colpopexy is ureteral compromise. The risk of ureteral obstruction is approximately 2% to 4%, and most obstructions are relieved intraoperatively if recognized during cystoscopy. It is imperative that intraoperative cystoscopy be done after tying the culdoplasty or colpopexy sutures to ensure ureteral patency. If ureteral spill is not observed, then the culdoplasty or suspension sutures on that side should be cut and removed and the ureter reevaluated. Often, the suture can be replaced using a more medial placement into the uterosacral ligament complex. Unique but serious intraoperative complications can occur, especially with sacrospinous colpopexy. Potential complications of the procedure include hemorrhage, nerve injury, and rectal injury. This can result in hemorrhage from the inferior gluteal vessels, hypogastric venous plexus, or pudendal vessels. We also use the transvaginal suture-capturing technique, in which the needle tip is passed downward toward the muscle, rather than the technique using the Deschamps ligature carrier, in which the needle tip is passed superiorly toward the vasculature. If severe bleeding occurs in the area around the coccygeus muscle, we recommend initially packing the area. If this does not control the bleeding, then visualization, attempted ligation with clips or sutures, and use of thrombin products should be performed. This area is difficult to approach transabdominally or with selective embolization, so bleeding should be controlled vaginally, if possible. Moderate to severe buttock pain on the side on which the sacrospinous suspension was performed can occur; this also has been reported after high uterosacral suspension. The buttock pain is almost always self-limiting and should resolve completely by 6 weeks postoperatively. If pudendal nerve injury occurs with postoperative symptoms of unilateral vulvar pain and/or numbness, immediate reoperation with removal of the offending suture material may be necessary. Rectal examination should be performed frequently during all transvaginal repairs because of the close proximity of the rectum to vaginal dissection and colpopexy sutures. If a rectal injury is identified, it can usually be repaired primarily transvaginally by conventional techniques. Vaginal stenosis and dyspareunia can occur if too much anterior and posterior vaginal wall tissue is trimmed, if the vagina is left too short, or if a tight posterior colporrhaphy is performed. We recommend postoperative use of estrogen vaginal cream and vaginal dilators in these patients in the hope of preventing or decreasing the incidence of this problem. Transvaginal Mesh Procedures In 2004, prepackaged kits to place mesh transvaginally were introduced. Most kits use trocars to attach bilaterally mesh or a graft to the arcus tendineus fasciae pelvis or sacrospinous ligaments. With bilateral attachments, these grafts create a hammock that supports the apex and anterior or posterior walls, depending on placement. The goals of these procedures are to decrease the rate of recurrent prolapse by adding a graft to bolster native tissue and to decrease complications by avoiding intra-abdominal surgery. Upon introduction into the market, there were many different brands and types of graft kits, yet data for specific prototypes were few. Given the relatively recent introduction of these procedures, case series and retrospective trials outnumber randomized controlled trials, and the available randomized controlled trials have shorter-term follow-up. Few studies have specifically addressed vaginal apex prolapse, and most data detail outcomes after mesh-augmented repair of the anterior vaginal wall. The largest randomized controlled trial to date comparing anterior colporrhaphy to an anterior mesh kit demonstrated that, compared to anterior colporrhaphy, the use of an anterior mesh kit results in improved 1-year objective and subjective outcomes but higher rates of surgical complications and postoperative adverse events, including mesh exposure and de novo stress urinary incontinence. An updated Cochrane review of the subject reviewed outcomes of 5954 women and revealed that native tissue anterior repair was associated with more anterior compartment failures than polypropylene mesh repair as an overlay or armed transobturator mesh kit, but there were no differences in subjective outcomes, quality-of-life data, or rates of de novo dyspareunia, stress urinary incontinence, or reoperation rates for prolapse or incontinence between groups (Maher et al. In addition to the complications inherent to all transvaginal prolapse repairs, unique complications related to the mesh or trocars can occur. Mesh-related functional complications such as chronic pelvic pain, leg and groin pain, vaginal pain, and dyspareunia have all been reported. A systematic review that evaluated complications and reoperations after vaginal apex surgical repair demonstrated that the overall rate of reoperation (for complications and for recurrent prolapse) is highest after transvaginal mesh repair (Diwadkar et al. Exposure of mesh through the vaginal epithelium is one of the most common complications; the Cochrane review reported an overall erosion rate of 10% (Maher et al. At least half of mesh exposures are symptomatic and require reoperation for treatment. These documents state that "serious complications associated with surgical mesh for transvaginal repair of (pelvic organ prolapse) are not rare" and "it is not clear that transvaginal (pelvic organ prolapse) repair with mesh is more effective than traditional non-mesh repair" and make recommendations for physicians (Box 25. Given the uncertain future of transvaginal mesh and the variety of brands and techniques available, we do not describe a specific technique here. Many experts believe that a role for transvaginal mesh exists given the risk of recurrent prolapse after native tissue repairs. Complete removal of mesh may not be possible and may not result in complete resolution of complications, including pain. Long-term outcome data after mesh-augmented and native tissue vaginal repairs are lacking, and what data are available demonstrate the need for improved outcomes and fewer complications. This can only be achieved with adequately powered randomized controlled trials with longterm outcomes that include prolapse symptoms, as well as anatomic and functional outcomes. Abdominal Procedures to Correct Enterocele and Suspend the Vaginal Apex Techniques Abdominal Enterocele Repairs Three techniques of abdominal enterocele repair have been described: Moschcowitz and Halban procedures and the uterosacral ligament plication. The pursestring sutures are tied so that there remain no small defects that could entrap small bowel or lead to enterocele recurrence. Care should be taken not to include the ureter in the purse-string sutures or to allow the ureter to be kinked medially when tying the sutures. Halban described a technique to obliterate the cul-desac using sutures placed sagittally between the uterosacral ligaments. Three to five sutures are placed into the medial portion of one uterosacral ligament, into the back wall of the vagina, and into the medial portion of the opposite uterosacral ligament. The lowest suture incorporates the anterior rectal serosa to bring the rectum adjacent to the uterosacral ligaments and vagina. Relaxing incisions can be made in the peritoneum lateral to the uterosacral ligaments to release the ureters, if necessary. Abdominal Sacral Colpopexy Abdominal sacral colpopexy can be performed through a laparotomy or by laparoscopy or robot-assisted laparoscopy (see Chapter 21). Although the surgical approach may be different, the steps of the procedure should remain the same. Sacral colpopexy, which is suspension of the vagina to the sacral promontory using a bridging graft via the abdominal approach, is an effective treatment for uterovaginal and vaginal apex prolapse. Many different materials have been used as a graft in sacral colpopexy, including biologic materials (fascia lata, rectus fascia, dura mater) and synthetic materials (polypropylene mesh, polyester fiber mesh, that preclude more invasive and lengthier open and endoscopic procedures. Large-pore, light-weight polypropylene mesh is most commonly used and likely causes fewer complications compared with other synthetics because of its monofilament and macroporous characteristics. A randomized trial comparing objective anatomic outcomes after sacral colpopexy performed with cadaveric fascia lata and polypropylene mesh noted polypropylene mesh was superior to fascia lata in terms of pelvic organ prolapse quantification points and stage and objective anatomic failure rates at 1 and 5 years after surgery (Culligan et al. The patient should be placed in low lithotomy position using Allen stirrups so that the surgeon has digital access to the vagina during the operation. Intraperitoneal access is gained using either an open incision or laparoscopic or robotic cannula placement. Small bowel is placed or packed into the upper abdomen, and the sigmoid colon is deviated to the left pelvis as much as possible. The left common iliac vein is medial to the left common iliac artery and is particularly vulnerable to damage during this procedure. B, this view of the sacral promontory demonstrates where the mesh will be attached and the proximity to vital structures. C, the polypropylene mesh has been attached to the anterior and posterior vaginal walls as well as the sacral promontory. We routinely evaluate the distal posterior vagina after sacral colpopexy and use a native tissue repair if indicated. Sutures are placed through the full fibromuscular thickness of the vagina but not into the vaginal epithelium. A second piece of graft is attached to the proximal anterior vaginal wall in a similar fashion. The appropriate amount of vaginal elevation should provide gentle tension without undue traction on the vagina. Special care should be taken to avoid the delicate plexus of presacral veins that often are present, especially as one dissects more caudally.

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