Mini-slings can cause complications

Transobturator Versus Minisling for Urinary Incontinence: A Randomized Controlled Trial

IMPORTANCE

The comparison between single-incision slings (SISs) and midurethral slings has been documented in the literature, but results vary according to the SIS device.

OBJECTIVES

The purpose of this study is to assess whether SIS (Solyx) is noninferior to transobturator (TOT) (Obtryx) sling for treating women with confirmed stress-predominant urinary incontinence.

STUDY DESIGN

A prospective, parallel, nonblinded, multicenter, noninferiority, randomized controlled study with 114 patients were randomized and followed 6 and 12 months after surgery. Interventions were midurethral TOT sling (Obtryx-halo; n = 58) or SIS (Solyx; n = 56). The primary outcome was improvement in the Patient Global Impression of Improvement (PGI-I). Secondary outcomes were the Kings Health Questionnaire (KHQ) instruments after treatment, subjective improvement, and surgical outcomes.

RESULTS

Both groups were homogeneous ( P = NS) regarding sociodemographic and clinical variables. There was improvement in the PGI-I after 6 ( P = 0.001) and 12 months ( P = 0.001) of treatment for women who underwent TOT sling. After 6 months, KHQ scores improved in the TOT group for the following domains: role limitations ( P = 0.026) and physical limitations ( P = 0.006). After 12 months, the TOT group presented better KHQ scores that were statistically significant from the SIS group in incontinence impact ( P = 0.012), physical limitations ( P = 0.001), and severity measures ( P = 0.017). Moreover, the TOT group presented higher subjective improvement after 6 months ( P = 0.006) than the SIS group. Mesh erosion was higher in the SIS group ( P = 0.006). Reoperations were not statistically different between groups.

CONCLUSION

There were higher scores in the PGI-I score and higher subjective improvement for the TOT sling after 6 and 12 months of treatment when compared with the SIS group.

Surgical Removal of Midurethral Sling in Women Undergoing Surgery for Presumed Mesh-Related Complications: A Systematic Review

OBJECTIVE

To assess whether some, or all, of the mesh needs to be removed when a midurethral sling is removed for complications.

DATA SOURCES

A systematic review and meta-analysis was conducted. MEDLINE, Cochrane, and ClinicalTrials.gov databases from January 1, 1996, through May 1, 2021, were searched for articles that met the eligibility criteria with total, partial, or a combination of anti-incontinence mesh removal.

METHODS OF STUDY SELECTION

All study designs were included (N≥10), and a priori criteria were used for acceptance standards. Studies were extracted for demographics, operative outcomes, and adverse events. Meta-analysis was performed when possible.

TABULATION, INTEGRATION, AND RESULTS

We double-screened 11,887 abstracts; 45 eligible and unique studies were identified. Thirty-five were single-group studies that evaluated partial mesh removal, five were single-group studies that evaluated total mesh removal, and five were studies that compared partial mesh removal with total mesh removal. All of the studies were retrospective in nature; there were no randomized controlled studies. Comparative studies demonstrated that partial mesh removal had lower rates of postoperative stress urinary incontinence (SUI) than total mesh removal (odds ratio 0.46, 95% CI 0.22-0.96). Single-group studies supported lower rates of postoperative SUI with partial mesh removal compared with total mesh removal (19.2% [95% CI 13.5-25.7] vs 48.7% [95% CI 31.2-66.4]). Both methods were similar with respect to associated pain, bladder outlet obstruction, mesh erosion or exposure, and lower urinary tract symptoms. Adverse events were infrequent.

CONCLUSION

Postoperative SUI may be lower with partial mesh removal compared with total mesh removal. Other outcomes were similar regardless of the amount of mesh removed.

SYSTEMATIC REVIEW REGISTRATION

PROSPERO, CRD 42018093099.

Multidimensional outcomes of suburethral synthetic midurethral sling removal

PURPOSE

To report multidimensional outcomes encompassing pain, dyspareunia, and recurrent urinary tract infections (UTIs), following suburethral sling removal (SSR) of synthetic midurethral slings (MUS) placed for female stress urinary incontinence.

METHODS

We reviewed a prospectively maintained, IRB-approved database of women undergoing SSR at our institution. Demographic data, type of sling, and symptoms along with Urogenital Distress Inventory-Short Form (UDI-6) scores both before and after SSR were analyzed. Success was defined using several modalities including patient-reported symptoms (ideal outcome) and UDI-6 questionnaire.

RESULTS

From 3/2006-2/2017, 443 women underwent SSR of which 230 met study criteria with median overall follow-up of 23 months (mean 30 months). 180/230 (78%) patients reported 3 or more symptoms at presentation. Median most recent post-SSR total UDI-6 score was 38 vs. 50 at baseline (p < 0.0001). By UDI-6, 53% of patients achieved success post-SSR. An ideal outcome was attained in 22/230 (10%) patients. A modified outcome allowing for one minimally invasive anti-incontinence procedure and excluding sexual activity classified 112/230 (49%) patients as successes.

CONCLUSIONS

While patients with MUS present with multiple symptoms, following SSR, there is sustained improvement in multiple symptom domains, including pain and urinary incontinence. Allowing for minimally invasive anti-incontinence procedures (not inclusive of subsequent suburethral sling), the rate of success was 49%, which was comparable to that derived from UDI-6 scores (53%).

Challenges of Multidimensional Outcome Reporting after Suburethral Mid Urethral Sling Removal

PURPOSE

We sought to determine the types and frequency of presenting symptoms in women undergoing suburethral mid urethral sling removal to improve outcome reporting after removal.

MATERIALS AND METHODS

Following institutional review board approval women who underwent suburethral mid urethral sling removal of 1 mid urethral sling were evaluated for their presenting symptoms and correlation with the UDI-6 (Urogenital Distress Inventory-Short Form) questionnaire. Demographic data were recorded. Patient reported presenting symptoms were categorized into 5 domains, including storage symptoms, voiding symptoms, pain, recurrent urinary tract infections or urinary incontinence. The UDI-6 was reviewed preoperatively and 6 to 12 months postoperatively. We also calculated an ideal outcome, defined as resolution of incontinence, pain, resumption of sexual activity and no need for further anti-incontinence procedures.

RESULTS

A total of 230 women from 2006 to 2017 met study inclusion criteria, including 116 who completed the UDI-6 postoperatively. Of the women 80% had 3 or more presenting symptoms with pain as the most common symptom. The most common combination of symptoms was all 5 domains, which was noted in 46 of the 230 women (20%). An increasing number of symptoms correlated with the total preoperative UDI-6 score. Symptom domains were associated with the corresponding UDI-6 subdomain questions. Domains not covered by the UDI-6, ie recurrent urinary tract infections and dyspareunia, accounted for 27% of reported symptoms. Due to limited data on sexual activity an ideal outcome was reached in 10% of patients but this rate was 40% after sexual activity information was excluded.

CONCLUSIONS

In this series the presenting symptoms were manifold in women undergoing suburethral mid urethral sling removal. The UDI-6 questionnaire correlated with many of these complaints. It may be used in outcome analysis in conjunction with self-reported symptoms.

Complications Following the Insertion of Two Synthetic Mid-urethral Slings and Subsequent Removal

OBJECTIVE

To determine outcomes after removal of two synthetic mid-urethral slings (MUS) at a tertiary care center.

METHODS

Following IRB approval, a retrospective chart review of non-neurogenic, symptomatic women requiring re-operation after ≥2 MUS was performed. Data reviewed by a third party included: demographics, prior anti-incontinence surgery, complications, pelvic/urinary symptoms, subsequent investigations, surgical repair and outcomes (including UDI-6/IIQ-7 questionnaires) at a minimum 6 months follow-up. Cure was defined as being continent, no dyspareunia, and no additional surgical therapy.

RESULTS

Between 2007 and 2014, 21 women met the inclusion criteria. Mean age was 57 years (range: 40-82) and mean follow-up was 30.2 months (range: 6-78). The majority of patients presented with one or more symptoms of voiding dysfunction (95%), urinary incontinence (86%), irritative voiding symptoms (62%), dyspareunia (57%), recurrent urinary tract infections (UTIs) (29%), vaginal extrusion (20%) and erosion involving the urinary tract (5%). Patients had a mean of 2 prior anti-incontinence procedures (range 2-3). Over two-thirds had a combination of retropubic and transobturator MUS. Mean number of pre-operative investigations was 3.5 (1-6) including voiding cystourethrogram, cystoscopy and urodynamics. Two patients had complete remission, 14 partial remission, and five failed. Mean postoperative total UDI-6 and IIQ-7 scores at last clinic visit were 10 (range: 0-16/SD 4.1) and 11 (range: 0-28/SD 10.3), respectively.

CONCLUSION

The management of women with suboptimal outcomes following two synthetic MUS from transvaginal excision results in modest symptomatic improvement but low permanent complete remission and frequent need for additional therapies.

Iatrogenic Pelvic Pain: Surgical and Mesh Complications

Female stress urinary incontinence and pelvic organ prolapse are prevalent conditions in adult women. Among treatment alternatives, more traditional methods of surgical intervention have been supplanted by synthetic polypropylene mesh kits. However, novel complications with mesh-related exposure, pelvic pain alone or with dyspareunia, and increased incidence of revision surgeries, resulted in 2 FDA warnings on transvaginal mesh use for prolapse repair. This review examines the anatomy of the vagina and urethra, the etiology of pain related to mesh use, and the relevant surgical techniques for management of this complication along with their outcomes.