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Biomedical subjects

Abdul H Sultan

Publications and source records attributed to Abdul H Sultan.

At least 19 recordsLinked to original sources

Management of the neglected vaginal ring pessary.

We present two cases of vaginal pessaries left in situ for prolonged periods and subsequent impaction that were managed differently. One was partially epithelialized and removed in the outpatient clinic by a new technique whereby the ring pessary was divided by a bone-cutter and passed through the epithelial tunnel without anesthesia. The second, which was a completely epithelialized metal ring pessary, was removed under anesthesia. Resulting fibrosis can cure the prolapse.

Aged↗

Voiding dysfunction after abdominoplasty--an unusual complication.

Abdominoplasty is an electively undertaken aesthetic operation mostly performed on patients after massive weight reduction. Previous case reports have demonstrated an improvement of incontinence symptoms after abdominoplasty. We report a case where urinary dysfunction occurred after refashioning of an abdominoplasty. The stress urinary incontinence got worse but what was of greater concern to her was a noticeable change of her urinary stream in an upward direction. A urethrolysis combined with an insertion of a tension-free vaginal tape and an anterior colporrhaphy was performed. After the operation, stress urinary incontinence improved and she reported that her urine stream reverted towards a normal direction.

Abdomen↗

Repair techniques for obstetric anal sphincter injuries: a randomized controlled trial.

OBJECTIVE: To compare one-year outcomes of primary overlap versus end-to-end repair of the external anal sphincter after acute obstetric anal sphincter injury. METHODS: Women who sustained third-degree (3b = greater than 50% external anal sphincter thickness, 3c = internal sphincter injury) or fourth-degree (including anorectal epithelium) perineal tears were randomly allocated to either immediate primary overlap or end-to-end repair. They were prospectively followed up for 12 months postrepair with serial questionnaires. The primary outcome was fecal incontinence at 12 months. Secondary outcomes were fecal urgency, flatus incontinence, perineal pain, dyspareunia, quality of life, and improvement of anal incontinence symptoms. RESULTS: Thirty-two women were randomized to each group. At 12 months, 24% (6/25) in the end-to-end and none in the overlap group reported fecal incontinence (P = .009, relative risk [RR] 0.07, 95% confidence interval [CI] 0.00-1.21, number needed to treat 4.2). Fecal urgency at 12 months was reported by 32% (8/25) in the end-to-end and 3.7% (1/27) in the overlap group (P = .02, RR 0.12, 95% CI 0.02-0.86, number needed to treat 3.6). There were no significant differences in dyspareunia and quality of life between the groups. At 12 months, 20% (5/25) reported perineal pain in the end-to-end and none in the overlap group (P = .04, RR 0.08, 95% CI 0.00-1.45, number needed to treat 5). During 12 months, 16% (4/25) in the end-to-end and none in the overlap group reported deterioration of defecatory symptoms (P = .01). CONCLUSION: Primary overlap repair of the external anal sphincter is associated with a significantly lower incidence of fecal incontinence, urgency, and perineal pain. When symptoms do develop, they appear to remain unchanged or deteriorate in the end-to-end group but improve in the overlap group. LEVEL OF EVIDENCE: I.

Adult↗

Effect of vaginal pessaries on symptoms associated with pelvic organ prolapse.

OBJECTIVE: To prospectively evaluate the effects of vaginal pessaries on symptoms associated with pelvic organ prolapse and identify the risk factors for failure. METHODS: All women referred to a specialist urogynecology unit with symptomatic pelvic organ prolapse who elected to use a pessary were included in this study. All completed the Sheffield pelvic organ prolapse symptom questionnaire before use and after 4 months of use. The primary outcome measure was change of symptoms from baseline to 4 months. RESULTS: Of 203 consecutive women fitted with a pessary, 153 (75%) successfully retained the pessary at 2 weeks, and 97 completed the questionnaires at 4 months. Multivariate logistic regression analysis showed that failure to retain the pessary was significantly associated with increasing parity (odds ratio [OR] 1.52, 95% confidence interval [CI] 1.14-2.02, P = .004) and hysterectomy (OR 4.57, 95% CI 1.71-12.25, P = .002). In the success group at 4 months (n = 97), a significant improvement in voiding was reported by 39 participants (40%, P = .001), in urinary urgency by 37 (38%, P = .001), in urge urinary incontinence by 28 (29%, P = .015), in bowel evacuation by 27 (28%, P = .045), in fecal urgency by 22 (23%, P = .018), and in urge fecal incontinence by 19 (20%, P = .027), but there was no significant improvement in stress urinary incontinence in 22 participants (23% P = .275). Of the 26 (27%) who were sexually active, 16 (17%, P = .001) reported an increase in frequency of sexual activity, and 11 (11%, P = .041) had improved in sexual satisfaction. CONCLUSION: A vaginal pessary is an effective and simple method of alleviating symptoms of pelvic organ prolapse and associated pelvic floor dysfunction. Failure to retain the pessary is associated with increasing parity and previous hysterectomy. LEVEL OF EVIDENCE: II-3.

Aged↗

Risk factors for obstetric anal sphincter injury: a prospective study.

BACKGROUND: Anal incontinence is an embarrassing condition that is largely underreported. Obstetric anal sphincter injuries are the major etiological factor. Recognition of risk factors may minimize the development of sphincter injuries. The objective of this study was to identify risk factors for sphincter injuries and measure dimensions of mediolateral episiotomies. METHODS: Women expecting their first vaginal delivery were invited to participate, and an experienced research fellow performed a perineal and rectal examination and classified tears according to the new international classification. Dimensions of episiotomies were measured and obstetric variables recorded prospectively. RESULTS: Of the 241 women recruited, 59 (25%) sustained sphincter injuries. Univariate analysis revealed that forceps delivery OR 4.03 (1.63-9.92), vacuum extraction OR 2.64 (1.25-5.54), gestation > 40 weeks OR 3.18 (2.35-4.29), and mediolateral episiotomy OR 5.0 (2.64-9.44) were associated with these injuries. In addition, compared with women who had no injuries, sphincter injuries were more common with higher birthweight (3.51 vs 3.17 kg, p < 0.01), larger head circumference (34.3 vs 33.3 cm, p < 0.01), and longer second stage of labor (76 vs 51 min, p < 0.01). Multiple logistic regression revealed higher birthweight and mediolateral episiotomy OR 4.04 (1.71-9.56) as independent risk factors. Episiotomies angled closer to the midline were significantly associated with such injuries (26 vs 37 degrees, p = 0.01). No midwife and only 13 (22%) doctors performed truly mediolateral episiotomies. CONCLUSIONS: Mediolateral episiotomy is an independent risk factor for anal sphincter injuries. Although a liberal policy of mediolateral episiotomy does not appear to reduce the risk of such injuries, it may be related to inappropriate technique. A concerted approach to educate trainees in appropriate episiotomy technique and identification of sphincter injuries is imperative to enable reexamination of the true merits or disadvantages of mediolateral episiotomy.

Anal Canal↗

Occult anal sphincter injuries--myth or reality?

OBJECTIVES: To establish the true prevalence of clinically recognisable and occult obstetric anal sphincter injuries (OASIS). DESIGN: Prospective interventional study. SETTING: Busy district general hospital. SAMPLE: Two hundred and fifty-four women having their first vaginal delivery over a 12-month period were invited. Two hundred and forty-one (95%) participated and 208 (86%) attended follow up. METHODS: Women had a clinical examination at delivery by the accoucheur and repeated by an experienced research fellow immediately after delivery. All identified OASIS were verified and repaired by the duty specialist registrar or consultant. Endoanal ultrasound was performed immediately postpartum prior to suturing and repeated seven weeks later. MAIN OUTCOME MEASURES: Prevalence of recognised and occult anal sphincter injuries. RESULTS: Fifty-nine (24.5%) women sustained OASIS. The prevalence of OASIS increased significantly from 11% to 24.5% when women were re-examined. Of these, 30 occurred in deliveries by midwives who missed 26 (87%) and 29 following deliveries by doctors who missed 8 (28%) injuries. All clinically apparent OASIS were also identified on endoanal ultrasound. In addition, three (1.2%) women had an occult anal sphincter injury. Two of these occult sphincter injuries were isolated to the internal anal sphincter (IAS) and would not usually be clinically detectable. CONCLUSIONS: OASIS occur more frequently than previously reported. Many remain undiagnosed and are subsequently classified as occult when identified on anal endosonography. Genuine occult injuries are rare. Training in perineal anatomy and recognition of OASIS needs to be enhanced in order to increase detection of OASIS and minimise the risk of consequent anal incontinence.

Anal Canal↗

Continence pads: have we got it right?

Women listed in the Croydon Community Continence database were contacted with a self-assessment questionnaire regarding continence pad usage and quality of life. Completed questionnaires were received from 763 of 1509 (51%) participants. Pads were used for bladder dysfunction (88.1%) and bowel dysfunction (44%). The majority (82.5%) had concurrent medical disorders and problems with mobility with 77.5% being on one or more types of medication. Nearly 39% of women claimed that they would be happy to continue pad use indefinitely and only 28% expressed interest in seeking further help. Compared to bowel dysfunction, bladder dysfunction appeared to have a greater impact on women's quality of life (P < 0.001). Containment products make a substantial contribution in improving the quality of lives of women with bowel and bladder dysfunction. The financial burden of containment products has a major impact on the health budget and therefore, comprehensive clinical evaluation should be mandatory before relegating women to pads as a final resort.

Activities of Daily Living↗

The history and evolution of pessaries for pelvic organ prolapse.

The use of pessaries for the treatment of genital prolapse dates back prior to the days of Hippocrates and their use has been documented in early Egyptian papyruses. Throughout the centuries remedies such as honey, hot oil, wine and fumes have been used as treatment. Mechanical methods included succussion and leg binding. Pomegranates were also common remedies. In the middle ages, linen and cotton wool soaked in many different potions were used. As new materials were discovered, pessaries evolved and began to resemble those used today. Cork and brass were soon replaced with rubber. Modern day pessaries are made of non-reactive silicone and come in various designs and sizes to suit each individual. Pessaries can be used as an interim measure for women who wish to complete childbearing or women awaiting surgery. It can also be used as a permanent measure for women who are unsuitable for surgery. It remains to be established whether the use of modern pessaries over prolonged periods of time can prevent progression of or even cure, prolapse.

Female↗

Combined urinary and faecal incontinence.

Combined urinary and faecal (liquid or solid) incontinence (double incontinence) is the most severe and debilitating manifestation of pelvic floor dysfunction. The community prevalence is 9-19% (urinary) and 5-10% (faecal), increasing with age. Pathophysiological factors include childbirth-associated external anal sphincter injury and pudendal nerve damage, pelvic floor descent, menopause, collagen disorders and multiple sclerosis-like conditions. The presence of crossed reflexes between the bladder, urethra, anorectum and pelvic floor in animal studies may explain the comorbidity of urinary and faecal urgency. Surgical treatment is based on aetiology and combined optimum techniques such as colposuspension or suburethral sling with overlapping sphincteroplasty. Other methods for improving sphincteric control include sacral nerve neuromodulation, bulking agents and artificial sphincters.

Age Factors↗

Hysterectomy and pelvic organ dysfunction.

Contrary to popular belief, there is now considerable evidence that simple abdominal hysterectomy does not adversely affect bladder, bowel and sexual function (collectively referred to as 'pelvic organ function'). This also appears to hold true for vaginal hysterectomy, although randomized studies are lacking. Furthermore, conservation of the cervix by performing a subtotal (supracervical) hysterectomy does not confer advantages over total hysterectomy as far as pelvic organ function is concerned. By contrast, as radical hysterectomy involves more extensive dissection of the pelvic organs and innervation, some degree of pelvic organ dysfunction might be expected. However, the small prospective studies available provide conflicting results, but major sexual problems after radical hysterectomy appear to be transient. Retrospective studies suggest that abdominal and particularly vaginal hysterectomy may predispose to vault prolapse. One study reported that subtotal hysterectomy may be associated with subsequent cervical prolapse. These issues can only be clarified when long-term follow-up of recently completed randomized trials are performed. Until then, myths regarding the most frequently performed major gynaecological operation need to be dispelled, and women requiring hysterectomy should be counselled using the best available evidence.

Evidence-Based Medicine↗

An open, multicentre study of NASHA/Dx Gel (Zuidex) for the treatment of stress urinary incontinence.

OBJECTIVE: The Zuidex system facilitates non-endoscopic urethral injection for stress urinary incontinence (SUI). It comprises four pre-filled syringes of non-animal stabilised hyaluronic acid/dextranomer (NASHA/Dx) gel and an Implacer device. This open, 12-month study was performed to evaluate the safety and efficacy of this system in women with SUI. METHODS: Patients were aged > or =18 years with a history of SUI for > or =12 months (hypermobility and/or intrinsic sphincter deficiency), had failed prior non-invasive therapy and were invasive-therapy naïve. Up to two treatments with NASHA/Dx gel were permissible (re-treatment was offered at week 8). Positive response to treatment was defined as a reduction in provocation test leakage of > or =50% compared with baseline. Efficacy was also measured by 24-hour pad weight test leakage, and number of incontinence episodes/24 hours. RESULTS: A total of 142 patients were enrolled, with a mean age of 55.7 years. The response rate was 78% at week 12, and 77% at month 12. Significant reductions in median provocation test leakage, 24-hour pad-weight test leakage and number of incontinence episodes/24 hours were observed at all time-points. At month 12, the median decreases from baseline in these three variables were 93%, 89% and 67%, respectively. Treatment-related adverse events were of a nature expected with urethral injection - most were transient, and of mild or moderate intensity. CONCLUSIONS: Treatment with NASHA/Dx gel produced large, statistically significant reductions in urinary leakage sustained over 12 months and was well tolerated. These findings suggest that NASHA/Dx gel could be considered as an early intervention in treatment-naïve cases of SUI.

Adult↗

Are mediolateral episiotomies actually mediolateral?

This study investigated potential differences in the cutting of mediolateral episiotomy between doctors and midwives. Depth, length, distance from midline and shortest distance from the midpoint of the anal canal to the episiotomy were measured in a sample of primigravid women. The angle subtended from the sagittal or parasagittal plane was calculated. Two hundred and forty-one women participated of whom 98 (41%) had a mediolateral episiotomy. Doctors performed episiotomies that were significantly deeper, longer and more obtuse than those by midwives. No midwife and only 13 (22%) doctors performed truly mediolateral episiotomies. It appears that the majority of episiotomies are not truly mediolateral but closer to the midline. More focused training in mediolateral episiotomy technique is required.

Anal Canal↗

Anal endosonography and its role in assessing the incontinent patient.

Anal endosonography is now recognized as an important investigation in the assessment of faecal incontinence. The endosonographer needs to be aware that the anatomy of the anal sphincter is complex and therefore there can be pitfalls in the interpretation of images. The findings have clinical implications on subsequent management and can contribute to prognosticating outcome. However, anal endosonography has a complementary role and other investigations, such as anal manometry, should be performed before intervention.

Anal Canal↗

Urinary and anal incontinence after vacuum delivery.

OBJECTIVES: To evaluate urinary and fecal incontinence symptoms, and occult anal sphincter defects in women after vacuum and spontaneous vaginal delivery. STUDY DESIGN: In a case-control study, 50 primiparous women delivered by vacuum extraction were compared to 50 women delivered spontaneously. Urinary and anal incontinence symptoms, pelvic floor muscle strength and sphincter defects on endoanal ultrasound were evaluated 6-24 weeks postpartum. RESULTS: New anal incontinence symptoms after childbirth were found in 30% of the vacuum group compared to 34% of the controls, new urinary incontinence symptoms in 28 and 42%, respectively (not significant). After excluding Grade III perineal tear, sonographic sphincter defects were found in 11 (27.5%) after vacuum delivery compared to 4 (10%) after spontaneous delivery (P<0.05, chi(2)-test). CONCLUSION: Anal and urinary incontinence symptoms are frequent after vaginal delivery. Vacuum delivery causes more sonographic sphincter defects but appears to cause no more harm to pelvic floor function than spontaneous vaginal delivery.

Adult↗

Management of obstetric anal sphincter injury: a systematic review & national practice survey.

BACKGROUND: We aim to establish the evidence base for the recognition and management of obstetric anal sphincter injury (OASI) and to compare this with current practice amongst UK obstetricians and coloproctologists. METHODS: A systematic review of the literature and a postal questionnaire survey of consultant obstetricians, trainee obstetricians and consultant coloproctologists was carried out. RESULTS: We found a wide variation in experience of repairing acute anal sphincter injury. The group with largest experience were consultant obstetricians (46.5% undertaking > or = 5 repairs/year), whilst only 10% of responding colorectal surgeons had similar levels of experience (p < 0.001). There was extensive misunderstanding in terms of the definition of obstetric anal sphincter injuries. Overall, trainees had a greater knowledge of the correct classification (p < 0.01). Observational studies suggest that a new 'overlap' repair using PDS sutures with antibiotic cover gives better functional results. However, our literature search found only one randomised controlled trial (RCT) on the technique of repair of OASI, which showed no difference in incidence of anal incontinence at three months. Despite this, there was a wide variation in practice, with 337(50%) consultants, 82 (55%) trainees and 80 (89%) coloproctologists already using the 'overlap' method for repair of a torn EAS (p < 0.001). Although over 50% of colorectal surgeons would undertake long-term follow-up of their patients, this was the practice of less than 10% of obstetricians (p < 0.001). Whilst over 70% of coloproctologists would recommend an elective caesarean section in a subsequent pregnancy, only 22% of obstetric consultants and 14% of trainees (p < 0.001). CONCLUSION: An agreed classification of OASI, development of national guidelines, formalised training, multidisciplinary management and further definitive research is strongly recommended.

Anal Canal↗

Lower genital tract and anal sphincter trauma.

Anal incontinence occurs more frequently in women but its incidence is grossly underestimated because of under-reporting. Obstetric trauma is a major cause of anal incontinence but it is only recently that attention has been focused on this subject. Episiotomy and choice of instrument at assisted delivery have been subjected to randomized trials but some issues, such as the benefit of episiotomy in instrumental delivery, have not been addressed. The management of acute anal sphincter rupture is inconsistent and, although studies report on the sub-optimal outcome, evidence-based guidelines are currently awaiting publication. Training in perineal anatomy and repair is poorly taught, and there is wide variation in classification of perineal tears. Consequently anal sphincter tears are being missed at delivery and/or inappropriately managed. This chapter aims to highlight these issues based on previous and current teaching and to recommend a protocol based on the best available evidence.

Anal Canal↗