High rate of vaginal erosions associated with the mentor ObTape

Midurethral sling infectious complications: A systematic review

BACKGROUND

The French Health Authority (Haute Autorité de santé) and French scientific societies (Collège national des gynécologues et obstétriciens français) recommend the use of midurethral slings as the surgical treatment of choice for stress incontinence due to urethral hypermobility and failure of hygienic diet and pelvic rehabilitation. Within a year of implantation, almost 90% of patients no longer experience stress urinary incontinence. Despite their recognized efficacy, retropubic and/or trans-obturator midurethral sling can expose patients to potentially severe infectious complications.

METHODS

A comprehensive literature review using Pubmed, Medline, Embase and Cochrane: "stress urinary incontinence", and/or the following keywords "complications", "infections", "abscess", "prosthetic exposures", "fistula", "erosion", "cellulitis", "fasciitis" in association with the keywords "midurethral slings", "suburethral sling", "tension free vaginal tape" and "trans-obturator tape. In the 330 articles, 61 really dealt with infectious complications following the implantation of synthetic midurethral slings in women.

RESULTS

Preoperative urinalysis and intraoperative antibiotic prophylaxis were rarely reported (n=1 and n=11, respectively). We recorded thirty-six cases of abscess, twenty-one cases of cellulitis, sixteen cases of fistula and forty-one cases of prosthetic exposure. In 95.5% of cases, patients were treated with broad-spectrum antibiotics. Total explantation of the prosthesis was performed in 56% of patients at the initial management, with two-stage explantation performed in 23% of cases, partial explantation was carried out in 12% of cases, and the prosthesis was left in place in 9% of cases. No deaths were recorded.

CONCLUSION

To limit the risk of urinary tract infections and potential prosthetic infections, a prophylactic approach should be adopted by performing a preoperative urinalysis and administering intraoperative antibiotic prophylaxis should be discussed. In the event of prosthetic and/or surgical site infection, broad-spectrum probabilistic antibiotic therapy should be initiated as early as possible until targeted antibiotic therapy. Total explantation of the prosthesis appears to be the most appropriate surgical strategy.

Polypropylene and polyvinylidene fluoride transobturator slings for the treatment of female stress urinary incontinence: 1-Year outcomes from a multicentre randomized trial

AIMS

To compare the effectiveness and safety of polypropylene (PP) and polyvinylidene fluoride (PVDF) transobturator tapes (TOT) for the treatment of female stress urinary incontinence (SUI).

METHODS

This is a multicentre randomized trial. Women with SUI or stress-predominant mixed urinary incontinence and scheduled for a TOT procedure were randomized to PP or PVDF slings. The primary outcome was 1-year cure or improvement rate using composite criteria. Complications were also compared. Relationships with outcomes were analyzed using multivariable logistic regressions models.

RESULTS

From April 2016 to January 2018 285 participants were randomized. PP and PVDF slings showed similar high cure or improvement rate (91.0% vs. 95.6%, p = .138). Improvement in validated questionnaires was also similar. PVDF slings were associated with a lower rate of de novo urgency incontinence (adjusted odds ratio = 0.35; 95% confidence interval = 0.15-0.80). We found no statistical differences in complications rates, although a higher incidence of long-term pain events were observed in the PP group. The study is underpowered to find differences in specific complications owing to the low number of events.

CONCLUSION

PP and PVDF TOTs are equally effective, although PVDF is associated with fewer cases of de novo urgency incontinence. Further studies are needed to give robust conclusions on safety profiles.

Effectiveness and quality of life 10 years after transobturator suburethral tape surgery for stress urinary incontinence

AIM

We aimed to measure the effectiveness and quality of life (QoL) 10 years after transobturator suburethral tape surgery.

METHODS

We carried out a prospective observational study of 42 women assessed 10 years after surgical intervention with the transobturator technique. The main outcome measures were subjective and objective cure or improvement, complications, and changes in QoL.

RESULTS

The median abdominal leak point pressure had been 92 (82-113) mL H₂ O prior to surgery. Thirty-six women (85.7%) remained cured (negative cough test) and 13 (31%) reported urine leakage during physical activity, percentages which were similar to those at a previous assessment at the 5th year. Urgency urinary incontinence was reported by 18 women (42.9%), 16 of whom required the use of anticholinergic drugs. Nineteen women had undergone some form of surgical pelvic reconstruction concomitantly with the TOT procedure, four of whom presented with relapse. The QoL tests indicated that cure and improvement persisted in 85.7% (n = 36, Urogenital Distress Inventory-6) and 92.9% (n = 39, Incontinence Impact Questionnaire-7) of the 42 evaluable women, respectively.

CONCLUSION

Rates of objective and subjective effectiveness remained stable after 10 years of surgery and QoL did not deteriorate significantly during that interval. The increase in urgency incontinence needs to be further investigated.

Body mass index based evaluation of 6-year outcomes after transobturator tension-free vaginal tape for female urinary incontinence

INTRODUCTION

The long-term results will be presented according to the body mass index (BMI) rates for transobturator tension-free vaginal.

METHODS

Three hundred nineteen female patients were evaluated (2008-2014). Their incontinence was classified according to the Stamey classification. The International Consultation on Incontinence Questionnaire-Short form was filled in before and after surgery. The Pelvic Organ Prolapse quantification system was utilized. The Female Sexual Function Index and the International Index of Erectile Functions were asked to be filled in. Their satisfaction level was assessed in the sixth year with the modified Clavien classification system. BMI cut-off points for public health action for the Asian population were adopted in the present study as follows: 18.5-23.0 kg/m2 (normal), 23.1-27.4 kg/m2 (high) and at least 27.5 kg/m2 (obese), respectively.

RESULTS

The median success rate on the 12th month was calculated as 81.25% in the follow-ups after TOT; it was observed that the median success rate after 72 months decreased to 79.15%. Significant improvements were observed in the Female Sexual Function Index and the Index of Erectile Dysfunction. The objective cure rates detected according to normal, high and obese BMI rates, respectively, were 93.1%, 75.9% and 81.4%, while the patient satisfaction rates were 83.3%, 81.3% and 83.1%, respectively.

CONCLUSIONS

It was observed that the objective and subjective patient satisfaction rates were very good in the long term in all BMI groups. No statistically significant differences were observed in perioperative complication rate, 6-year success rates and patient satisfaction among the three different BMI groups in the long term.

Outcomes of Transobturator Tape Surgery with Safyre T® Slings for Female Stress Urinary Incontinence after 96 Months of Follow-Up

BACKGROUND/AIMS

To report the outcomes of transobturator tape (TOT) surgery with Safyre T® (Promedon, Argentina) slings for female stress urinary incontinence (SUI) at a 96- month follow-up.

METHODS

We conducted a clinical follow-up study of 153 patients diagnosed with SUI between January 2005 and December 2014. Patients were provided with detailed a priori information pertaining to the TOT procedure and were invited to attend follow-up visits at 1, 3, 12, 24, 48, 72 and 96 months. Follow-up visits included physical examination involving sling palpation, checking of the vaginal mucosa for erosion, cough test, as well as validated Urinary Distress Inventory-6 (UDI-6) and Incontinence Impact Questionnaire-7 (IIQ-7) questionnaires.

RESULTS

The overall objective success rates, based on cough test results, were 91.3% at 12 months, 86.8% at 48 months and 77.6% at 96 months. Similarly, the overall subjective success rate, based on the validated UDI-6 and IIQ-7 scales, was 77.6% at 96 months.

CONCLUSION

The cure rates achieved, following TOT treatment of SUI at 1-year follow-up, showed a statistically significant decline over an 8-year period, especially at months 48 and 96. © 2015 S. Karger AG, Basel.

Perineal abscess three years after a transobturator sling

OBJECTIVE

This study aimed to report a unique perineal abscess after placement of a transobturator sling, involving the thighs and obturator regions bilaterally without involving mesh exposure.

CASE REPORT

A 66-year-old woman treated for stress urinary incontinence with a transobturator sling developed a late bilateral obturator infection 30 months after surgery. This complication appeared 6 months after chemotherapy for breast cancer. Sling removal through vaginal and bilateral inguinal incisions was performed. The patient evolved well, without recurrence of the infection or incontinence.

DISCUSSION

This case presents a unique scenario of muscle and skin infection after sling placement without any mesh exposure or vaginal involvement. The occurrence of the infection only after chemotherapy may indicate that immunosuppression had participation on its development. Care should be taken when exposing this mesh in contaminated perineal areas.

Demands and properties of alloplastic implants for the treatment of stress urinary incontinence

Surgical treatment of stress urinary incontinence changed dramatically with the introduction of the tension-free vaginal tape. Owing to its high efficacy and minimal patient discomfort this new minimally invasive procedure quickly obtained widespread acceptance and superseded the abdominal colposuspension as the gold standard. In the course of success of the original method a number of tension-free vaginal tapes flooded the market, varying in approach and material. These variations may strongly influence the safety, efficacy and long-term results of tension-free vaginal tape and its major modification, the transobturator technique. Therefore, it is the aim of this review to closely illuminate available materials and complications associated with this procedure. An extensive Medline search of the published literature up until 2006 on the subject of stress urinary incontinence was carried out. All sources identified were reviewed with particular attention to the method applied, the properties of the mesh materials and clinical complications. Apart from several technical variations, there are marked differences between the different vaginal sling materials, ranging from absorbable collagens over polypropylene to allografts. Although performed globally in substantial and increasing numbers, minimally invasive techniques for the surgical treatment of stress urinary incontinence are lacking sufficient safety data.

Seventeen years' follow-up of the tension-free vaginal tape procedure for female stress urinary incontinence

INTRODUCTION AND HYPOTHESIS

The minimally invasive tension-free vaginal tape (TVT) operation has become the "gold standard" of incontinence surgery. The aim of the present study was to evaluate the long-term effect of the tape material and to assess the continence status 17 years after surgery

METHODS

A cohort of 90 women operated upon with the TVT procedure at three Nordic centers has been prospectively followed for 17 years. All of the women alive according to national registries were contacted and invited to visit the clinics for evaluation. Pelvic examination was performed to reveal any adverse effects of the tape material. Objective and subjective continence status were assessed by a cough stress test and the patients' global impression of improvement as well as by condition-specific quality of life questionnaires.

RESULTS

Seventy-eight percent of the potentially assessable women were evaluated either by a clinic visit or by a telephone interview. One case of a minimal, symptom-free tape extrusion was seen. No other tape complications occurred. Over 90 % of the women were objectively continent. Eighty-seven per cent were subjectively cured or significantly improved.

CONCLUSION

The TVT operation is durable for 17 years, with a high satisfaction rate and no serious long-term tape-induced adverse effects.

Surgical management of female SUI: is there a gold standard?

Many surgical options exist for women with stress urinary incontinence (SUI). The traditional gold standards of Burch retropubic colposuspension and pubovaginal slings are still appropriate treatment options for some patients, but randomized controlled trials have demonstrated that synthetic midurethral slings are just as effective as these traditional procedures but with less associated morbidity. Thus, midurethral slings--inserted via a retropubic or transobturator approach--have become the new gold standard first-line surgical treatment for women with uncomplicated SUI. Retropubic midurethral slings are associated with slightly higher success rates than transobturator slings, but at the cost of more postoperative complications. Pubovaginal slings remain an effective option for women with SUI who have failed other procedures, have had mesh complications, or who require concomitant urethral surgery. Single-incision slings have a number of benefits, including decreased operative times and early return to regular activities, but they are yet to be shown to be as effective as midurethral slings. Both retropubic and transobturator midurethral slings are effective for patients with mixed urinary incontinence, but the overall cure rate is lower than for patients with pure SUI. Based on the literature a new gold standard first-line surgical treatment for women with SUI is the synthetic midurethral sling inserted through a retropubic or transobturator approach [corrected].

Transobturator suburethral tape in the treatment of stress urinary incontinence: efficacy and quality of life after 5 year follow up

OBJECTIVES

Stress urinary incontinence (SUI) is a highly prevalent dysfunction in middle-aged and elderly women. One recent technique places a sub-urethral tape passed through the transobturator foramen. Efficacy and quality of life were assessed after five years of treatment with the transobturator technique in women suffering SUI. This evaluation followed a previous control at the first year post-intervention.

STUDY DESIGN

Sixty-three women were assessed five years after operation with the transobturator technique. Additionally, twenty-nine women of these women had undergone pelvic floor reconstruction due to different forms of genital prolapse. Quality of life (QoL) was assessed by the Urogenital Distress Inventory-6 (UDI-6) and the Incontinence Impact Questionnaire-7 (IIQ-7) tests.

MAIN OUTCOME MEASURES

Subjective and objective cure or improvement, complications, and changes in QoL.

RESULTS

Fifty women (79%) remained cured, as assessed by the cough test. Eighteen women (28%) reported urine leakage during physical activity. These objective and subjective data were worse than those reported at the one-year follow-up. De novo urge urinary incontinence was reported by 11 women or 17%. Nine of these women had undergone additional pelvic floor surgery. The QoL tests confirmed that cure or improvement was achieved in 78% (49) (UDI-6) and 79% (50) (IIQ-7) of the women.

CONCLUSIONS

The transobturator tape procedure resulted in acceptable rates of efficacy after five years. Moreover, QoL tests showed cure or improvement in almost four of five women. Nonetheless, women should be informed of the risk of de novo urinary urgency incontinence and the progressive loss of efficacy with time.

Mesh complications in female pelvic floor reconstructive surgery and their management: A systematic review

We reviewed the incidence, predisposing factors, presentation and management of complications related to the use of synthetic mesh in the management of stress urinary incontinence and pelvic organ prolapse repair. Immediate complications, such as bleeding, hematoma, injury to adjacent organs during placement of mesh and complication of voiding dysfunction are not discussed in this review, since they are primarily related to technique. A PubMed search of related articles published in English was done from April 2008 to March 2011. Key words used were urinary incontinence, mesh, complications, midurethral sling, anterior prolapse, anterior vaginal repair, pelvic organ prolapse, transvaginal mesh, vault prolapse, midurethral slings, female stress urinary incontinence, mesh erosion, vaginal mesh complications, and posterior vaginal wall prolapse. Since there were very few articles dealing with the management of mesh-related complications in the period covered in the search we extended the search from January 2005 onwards. Articles were selected to fit the scope of the topic. In addition, landmark publications and Manufacturer and User Facility Device Experience (MAUDE) data (FDA website) were included on the present topic. A total of 170 articles were identified. The use of synthetic mesh in sub-urethral sling procedures is now considered the standard for the surgical management of stress urinary incontinence. Synthetic mesh is being increasingly used in the management of pelvic organ prolapse. While the incidence of extrusion and erosion with mid-urethral sling is low, the extrusion rate in prolapse repair is somewhat higher and the use in posterior compartment remains controversial. When used through the abdominal approach the extrusion and erosion rates are lower. The management of mesh complication is an individualized approach. The choice of the technique should be based on the type of mesh complication, location of the extrusion and/or erosion, its magnitude, severity and potential recurrence of pelvic floor defect.

A three-incision approach to treat persistent vaginal exposure and sinus tract formation related to ObTape mesh insertion

Mentor Corporation's ObTape has been associated with considerable morbidity. An unacceptably high exposure rate has been noted, and in some cases, multiple procedures may be necessary for complete mesh removal.We evaluated a patient who had prior ObTape placement complicated with persistent vaginal discharge and granulation tissue formation related to persistent mesh exposure (3Bc-T2-S2) followed by sinus tract formation (6Cd-T3-S3) according to the International Urogynecological Association Classification. We performed a three-incision approach (abdominal, vaginal, and groin) for the complete removal of the retained portion of the transobturator tape. This three-incision technique represents a viable option for removal of transobturator tape causing persistent clinical issues.

Complications of grafts used in female pelvic floor reconstruction: Mesh erosion and extrusion

Introduction:

Various grafts have been used in the treatment of urinary incontinence and pelvic prolapse. Autologous materials such as muscle and fascia were first utilized to provide additional anatomic support to the periurethral and pelvic tissues; however, attempts to minimize the invasiveness of the procedures have led to the use of synthetic materials. Complications such as infection and erosion or extrusion associated with these materials may be troublesome to manage. We review the literature and describe a brief overview of grafts used in pelvic floor reconstruction and focus on the management complications specifically related to synthetic materials.

Materials and Methods:

We performed a comprehensive review of the literature on grafts used in pelvic floor surgery using MEDLINE and resources cited in those peer-reviewed manuscripts. The results are presented.

Results:

Biologic materials provide adequate cure rates but have associated downfalls including potential complications from harvesting, variable tissue quality and cost. The use of synthetic materials as an alternative graft in pelvic floor repairs has become a popular option. Of all synthetic materials, the type I macroporous polypropylene meshes have demonstrated superiority in terms of efficacy and fewer complication rates due to their structure and composition. Erosion and extrusion of mesh are common and troublesome complications that may be managed conservatively with observation with or without local hormone therapy, with transvaginal debridement or with surgical exploration and total mesh excision, dependent upon the location of the mesh and the mesh type utilized.

Conclusions:

The ideal graft would provide structural integrity and durability with minimal adverse reaction by the host tissue. Biologic materials in general tend to have fewer associated complications, however, the risks of harvesting, variable integrity of allografts, availability and high cost has led to the development and use of synthetic grafts. Synthetic grafts have a tendency to cause higher rates of erosion and extrusion; however, these complications can be managed successfully.

An Open-Label, Noncomparative, Multicenter Study to Evaluate Efficacy and Safety of NASHA/Dx Gel as a Bulking Agent for the Treatment of Fecal Incontinence

Fecal incontinence (FI) is the involuntary loss of rectal contents through the anal canal. Reports of its prevalence vary from 1–21%. Studies, have demonstrated a positive effect on FI symptoms with injectable bulking agents. This study evaluated the safety and efficacy of NASHA/Dx gel in the treatment of FI. One hundred fifteen eligible patients suffering from FI received 4 injections of 1 mL NASHA/Dx gel. Primary efficacy was based on data from 86 patients that completed the study. This study demonstrated a ≥50% reduction from baseline in the number of FI episodes in 57.1% of patients at 6 months, and 64.0% at 12 months. Significant improvements (P < .001) were also noted in total number of both solid and loose FI episodes, FI free days, CCFIS, and FIQL scores in all 4 domains. The majority of the treatment related AEs (94.9%) were mild or moderate intensity, and (98.7%) of AEs resolved spontaneously, or following treatment, without sequelae. Results of this study indicate NASHA/Dx gel was efficacious in the treatment of FI. Treatment effect was significant both in reduction of number of FI episodes and disease specific quality of life at 6 months and lasted up to 12 months after treatment.

Retropubic versus transobturator midurethral synthetic slings: does one sling fit all?

The purpose of this article is to evaluate the recent evidence base for the choice between transobturator and retropubic approaches to midurethral slings used to treat stress urinary incontinence. While the retropubic and transobturator approaches to midurethral sling surgery for stress urinary incontinence demonstrate equivalent efficacy across a number of randomized controlled trials, they do not appear to be equivalent when particular patient populations are considered separately. The retropubic approach appears to be a better option in patients with intrinsic sphincter deficiency and limited urethral mobility.

[Sub-urethral sling in the treatment of female urinary incontinence: which? how?]

Review of the literature that formed the basis for drafting the guideline on the sub-uretral sling in the first-line surgical treatment of female stress urinary incontinence. Medline database query since the introduction of TVT on the questions of various chapters and sub-chapters of the present article. The use of tapes made of polypropylene monofilament exclusively, knitted, is recommended to the exclusion of any other material. Regarding the choice of procedure, the objective cure rate of transobturator and retro-pubic routes cannot be evaluated clearly because of vague evaluation criteria from one study to another. Without adequate clinical trials proving their efficacy and safety, the mini-bands can so far be recommended to treat female stress urinary incontinence. Moderate overweight does not affect the results of laying tape. In patients with severe obesity, surgery to correct obesity is even better than surgery for incontinence. Age is not a contra-indication. If the patient is young and nulliparous, it is reasonable to advise her to postpone surgery after her last pregnancy. In case of multiparous patient, the risk of vaginal delivery does not seem sufficient to suggest a cesarean section. To conclude, sub-urethral slings are the first-line surgical treatment of female stress urinary incontinence.

Polymeric Microspheres for Medical Applications

Synthetic polymeric microspheres find application in a wide range of medical applications. Among other applications, microspheres are being used as bulking agents, embolic- or drug-delivery particles. The exact composition of the spheres varies with the application and therefore a large array of materials has been used to produce microspheres. In this review, the relation between microsphere synthesis and application is discussed for a number of microspheres that are used for different treatment strategies.

The perils of commercially driven surgical innovation

The practice of gynecological surgery is being reshaped by commercial interests that are promoting the use of trochar-and-mesh surgical kits for the treatment of stress incontinence and pelvic organ prolapse. In this article, we review the recent history of these surgical innovations and discuss the implications of changes in surgical practice that are driven by commercial interests of this kind. We situate this phenomenon within the general "life cycle" of surgical innovation and point out the dangers inherent in the adoption of new procedures without adequate evidence to support their safety and efficacy. We highlight the ethical responsibilities surgeons and their professional organizations have in making sure such innovations are safe and effective before they come into widespread use. Finally, we offer some policy suggestions to ensure that this process has proper oversight.

Complications associated with transobturator sling procedures: analysis of 233 consecutive cases with a 27 months follow-up

Backround

The transobturator tape procedure (TOT) is an effective surgical treatment of female stress urinary incontinence. However data concerning safety are rare, follow-up is often less than two years, and complications are probably underreported. The aim of this study was to describe early and late complications associated with TOT procedures and identify risk factors for erosions.

Methods

It was a 27 months follow-up of a cohort of 233 women who underwent TOT with three different types of slings (Aris^®, Obtape^®, TVT-O^®). Follow-up information was available for 225 (96.6%) women.

Results

There were few per operative complications. Forty-eight women (21.3%) reported late complications including de novo or worsening of preexisting urgencies (10.2%), perineal pain (2.2%), de novo dyspareunia (9%), and vaginal erosion (7.6%). The risk of erosion significantly differed between the three types of slings and was 4%, 17% and 0% for Aris^®, Obtape^® and TVT-O^® respectively (P = 0.001). The overall proportion of women satisfied by the procedure was 72.1%. The percentage of women satisfied was significantly lower in women who experienced erosion (29.4%) compared to women who did not (78.4%) (RR 0.14, 95% CI 0.05-0.38, P < 0.001).

Conclusion

Late post operative complications are relatively frequent after TOT and can impair patient's satisfaction. Women should be informed of these potential complications preoperatively and require careful follow-up after the procedure. Choice of the safest sling material is crucial as it is a risk factor for erosion.

[Management of erosive complications after tension-free vaginal tape procedure]

OBJECTIVE

To describe the management of patients with an erosive complication after tension free vaginal tape. To establish a diagnostic approach, describe the results on symptoms and continence after a conservative surgery.

METHODS

Retrospective descriptive study of 38 patients supported for complications after suburethral synthetic sling. We have diagnosed 12 erosions vaginal and five bladder erosions. Patients have been treated from a recovery surgery according to a conservative approach (partial resection or endoscopic section).

RESULTS

Of the 12 patients with a vaginal erosion, 10 expressed symptoms in relation with their erosion. After partial resection, eight patients (80% of patients with symptomatic erosion) did not have more complain. Of these, 50% were continent, the other with mostly a slight recurrence accessible to a second suburethral sling. First endoscopic section was a minimally invasive option for bladder erosion. However, an only cystoscopic approach seemed to be not sufficient to cut the sling as far as possible. After section, two patients have been treated from a laparotomy with bladder dissection, one for immediate outcome unsatisfactory, the other for reccurent symptoms. The results for continence were excellent as the suburethral portion was not resected.

CONCLUSION

Our study showed the importance of regular clinical surveillance, feasibility and the relative success of this conservative approach. The technical feasability and the increasing number of patients must not forget to respect good indication and rigorous technique. These complications invite us to moderate our indications especially for young patients.

Results on function and safety of the Safyre-t, a hybrid transobturator vaginal sling for the treatment of stress urinary incontinence

AIMS

To examine the efficacy and safety of the Safyre-t vaginal sling.

METHODS

108 women with a Safyre-t were invited for a gynecological follow up examination.

RESULTS

79/108 patients showed up for an examination at 20 +/- 4 months 59.5% stated that they were subjectively dry. Vaginal sling erosion was found in 8.8% of the patients and a pre-erosive state in another 13.9%. The lateral silicone column could be palpated medial to the pubic bone in 47% of the patients indicating dislocation. 6/53 sexually active women complained of dyspareunia and one women stated that her partner had felt discomfort during sexual intercourse since her vaginal sling surgery.

CONCLUSIONS

This study shows that despite high patient satisfaction and acceptable subjective continence rates, the Safyre-t was associated with a comparatively high rate of vaginal sling erosions and dislocations.

Closing the chapter on obtape: a case report of delayed thigh abscess and a literature review

BACKGROUND

We report a case of delayed abscess formation 33 months after Obtape transobturator tape insertion, and we review the relevant literature.

CASE

A 73-year-old woman presented with groin pain, swelling, and purulent discharge 33 months after Obtape insertion. Examination showed a vaginal erosion and right groin abscess. Oral antibiotics resulted in significant symptomatic improvement. The patient underwent complete tape removal and drainage of infection. She continues to suffer from urinary incontinence.

CONCLUSION

Abscess formation and undiagnosed mesh erosion can occur up to 33 months after Obtape insertion, longer than previous reports have described. This highlights the need for continued vigilance in patients who have undergone Obtape insertion. Vaginal mesh erosions warrant careful repair in order to avoid delayed infectious complications.

A comprehensive review of suburethral sling procedure complications

The study objective was to review the existing literature regarding complications of anti-incontinence sling procedures. PubMed listings using keywords related to slings and associated complications with no date or language restrictions through May 2007 and the Manufacturer and User Facility Device Experience Database were searched for specific device- and procedure-related complications. Where no information was available, published abstracts were cited. Published reports of complications for all types of anti-incontinence sling procedures are analyzed and reported. Sling-related complications are multiple but can be summarized from studies on 13737 cumulative patients as involving: voiding dysfunction (8 studies, 881 patients, 16.3% average overall incidence [OI]); detrusor overactivity (20 studies, 1950 patients, 15.4% OI); urinary retention (14 studies, 943 patients, 14.2% OI); erosion/extrusion (19 studies, 2197 patients, 6.03% OI); impact on quality of life-dyspareunia (2 studies, 175 patients, 4.3% OI); infections-most often urinary tract infections but severe infections such as abscess are reported (19 studies, 1487 patients, 5.5% OI); hematoma-most often pelvic or vaginal (4 studies, 3691 patients, 2% OI); pain (6 studies, 597 patients, 7.3% OI); abdominal and pelvic organ injury-bladder, urethra, vagina, and intestines (10 studies, 1816 patients, 3.3% OI); systemic complications-deep vein thrombosis, sepsis (case reports); and death (case reports). Cure rates for all slings are as follows: subjective (16 studies, 1541 patients, 95% OI, range 63%-99%), objective (15 studies, 1203 patients, 82% OI, range 51%-97%), and failure (8 studies, 599 patients, 11.5% OI, range 4%-37%). It is likely that sling-related complications are under-reported in the published medical literature and in the Manufacturer and User Facility Device Experience Database. This review reports on the incidence of known complications for all types of slings. Some complications are common to all sling techniques; however, with development of minimally invasive slings, device-related complications are reported and compared.

Complications of anterior compartment vaginal surgery

Many complications can be associated with anterior compartment surgery of the vagina. With the integration of synthetic materials into the surgical armamentarium for the repair of stress urinary incontinence in the form of midurethral slings, and for the repair of vaginal prolapse as a primary procedure or to augment an existing repair, the spectrum of complications related to this type of surgery is evolving. Fortunately, these complications are mostly preventable, readily recognized, and/or reversible.

Biocompatibility assessment of synthetic sling materials for female stress urinary incontinence

PURPOSE

We evaluated the performance and complications of currently available synthetic sling materials with a focus on in vitro and in vivo biocompatibility, and acceptance in the human body.

MATERIALS AND METHODS

We reviewed the MEDLINE database for relevant literature pertaining to various synthetic sling materials. The Food and Drug Administration regulations regarding the regulation and biocompatibility testing of synthetic meshes were also reviewed.

RESULTS

Many synthetic meshes used for sling construction were introduced before rigorous Food and Drug Administration regulations were passed and, thus, some became associated with unique complications. Most meshes used in pubovaginal and mid urethral sling surgery are associated with high short-term success rates and relatively few intraoperative complications. Despite modifications and additives, slings constructed from polytetrafluoroethylene and polyethylene are poorly accepted by the human body. Flexible, macroporous, polypropylene meshes appear to integrate more completely with human tissue than other synthetic materials. However, multifilament and nonknitted polypropylene slings may integrate poorly.

CONCLUSIONS

The composition, weave and pore size of each material are unique. These properties are responsible for the strength and durability of the material, as well as the ultimate acceptance and incorporation in the human body. Each material should be individually evaluated and patients should be counseled appropriately before implantation.

What??s new in slings: an update on midurethral slings

PURPOSE OF REVIEW

Surgical management of female stress incontinence has progressed rapidly over the past decade. The purpose of this review is to provide up-to-date information regarding surgical outcomes of midurethral slings and to discuss management of sling complications. Additionally, the newer commercially available products will be outlined and the data comparing new versus established techniques will be examined.

RECENT FINDINGS

Long-term data are available for the Tension-free Vaginal Tape procedure which demonstrates durable efficacy. Comparisons between the Tension-free Vaginal Tape and Suprapubic Arch sling procedure demonstrate no significant difference in cure rates or complications. In an effort to avoid the retropubic space, the transobturator slings were developed and short-term data suggest similar efficacy to the transabdominal techniques. The transobturator approach, while limiting abdominal complications, is not without its own complication profile. Increased experience with synthetic mesh in vaginal surgery has allowed for a more systematic approach to managing mesh erosions.

SUMMARY

The literature indicates that midurethral slings, despite the specific approach, are efficacious and an important therapy in managing stress incontinence. Prospective data will be needed before the surgeon can determine if the new products and techniques are truly an improvement over the existing products or merely a proprietary modification.

Mesh infection without erosion after ObTape sling insertion: a diagnostic challenge

Infection is a recognised complication of using synthetic mesh tapes in continence surgery. It has only been reported alongside erosion after trans-obturator sling insertion for urodynamic stress incontinence. A 41-year-old patient developed mesh infection. This infection was diagnosed 16 months after insertion, when it became an abscess and discharged through her groin. The condition was not suspected earlier, despite having examination under anesthesia and repeat cystoscopy. The patient recovered upon removing the mesh and remains continent. This case documents the possible development of mesh infection without erosion. It highlights the importance of taking this possibility into consideration when dealing with patients after continence surgery and explores how it can be detected.