Vaginal repair of supratrigonal vesicovaginal fistulae--a 10-year review

Successful surgical closure and continence rate of obstetric fistula in Africa: systematic review and meta-analysis

Background

A female genital fistula is an abnormal connection between a woman's reproductive tract and her urinary tract or rectum. While numerous studies have aimed to determine the success rate of obstetric fistula closure in different health settings, there remains a significant scarcity of data on closure success rates and incontinence rates for various types of fistulas at the regional and sub-regional levels. The success rate reflects the continent's healthcare setup in regard to the World Health Organization standards. Thus, this study aims to determine the success of surgical closure and the continence rate of obstetric fistula in Africa.

Methods

This systematic review and meta-analysis review includes studies conducted up to February 2023. Search engines like EMBBASE, Medline, Google, PubMed, Google Scholar, African Journals Online, and ScienceDirect databases were utilized to find articles. The Joanna Briggs Institute critical evaluation checklist was used to evaluate the quality of our review, which was conducted in accordance with PRISMA criteria. Heterogeneity was indicated by a p-value for I2 statistics of less than 0.05. Publication bias was assessed using the Egger regression asymmetry test. Data were entered into Microsoft Excel and analyzed using STATA 16.

Result

This review includes 85 studies. A total of 24 countries from East, West, Central, North, and Southern African sub-regions were included. The overall pooled estimated rate of successful obstetric fistula closure is 86.15 (95% CI: 83.88-88.42). Moreover, the pooled estimated rate of successfully closed vesico-vaginal fistulas but with ongoing or residual incontinence (wet) was revealed as 13.41% (95% CI: 11.15-15.68). The pooled estimated rate of successfully closed rectovaginal fistulas and combined VVF and RVF are 91.06% (95% CI: 86.08-96.03) and 62.21% (95% CI: 48.94-75.49), respectively.

Conclusions

The rate of successful obstetric fistula closure in Africa is 86.15, which is higher than the WHO target. However, the surgical closure rate of a combined VVF and RVF is 62.2%, which is significantly lower than the WHO target.

Vesico-Vaginal Fistula in Females in 2010-2020: a Systemic Review and Meta-analysis

INTRODUCTION

In the Western world today, urogenital fistula, including vesicovaginal fistula (VVF), is rare. However, while it remains significant in developing parts of the world due to prolonged and obstructed labor, in this study, we systematically reviewed the existing literature, discussing VVF occurrence, its etiology, and outcomes.

MATERIAL AND METHODS

We used electronic databases to search relevant articles from 2010-2020. The screening was performed with the help of Covidence. Relevant data from included studies were extracted in excel sheets, and final analysis was done using CMA-3 using proportion with 95% confidence interval (CI).

RESULTS

Fifteen studies reported the VVF among the fistula series. The pooled result showed 76.57% cases of VVF (CI, 65.42-84.96), out of which 27.54% were trigonal, 55.70% supra-trigonal, and the rest with a varied description like circumferential, juxta-cervical, juxta-urethral. Obstetric etiology was commonly reported with 19.29% (CI, 13.26-27.21) with cesarean section and 31.14% (CI, 18.23-47.86) with obstructed labor. Hysterectomy was the commonly reported etiology among gynecological etiology (46.52%, CI; 36.17-57.19). Among different surgical treatments employed for fistula closure, 49.50% were by abdominal approach (CI, 37.23-61.82), and 42.31% by vaginal approach (CI, 31.82-53.54). Successful closure of fistula was reported in 87.09% of the surgeries (CI, 84.39-89.38).

CONCLUSION

The vesicovaginal fistula is the most common type of genitourinary fistula. Major causes of fistula are gynecological surgery, obstructed labor, and cesarean section. The vaginal approach and abdominal are common modalities of repair of fistula with favorable outcomes in the majority of the patients.

Complications After Vesicovaginal Fistula Repair Based on Surgeon Specialty in the United States: Analysis of a National Database

OBJECTIVES

This study aimed to compare the rates of major and minor complications for vesicovaginal fistula (VVF) repair based on surgeon specialty and to identify risk factors for adverse outcomes.

METHODS

This was a retrospective cohort analysis of the American College of Surgeons National Surgical Quality Improvement Program between the years 2014 and 2019. Cases were identified using Current Procedural Terminology codes for VVF repair. Minor and major complication rates for VVF repair were compared between 2 cohorts defined by surgeon specialty: gynecology versus urology. Additional outcomes included readmissions and reoperations. Multivariable logistic regression analysis was performed to investigate risk factors for complications.

RESULTS

A total of 319 VVF repairs were included in the analysis, of which 115 (36.1%) were performed by gynecologists and 204 (63.9%) by urologists. There were no significant differences in the demographic or medical characteristics between the gynecology and urology cohorts except for race. Gynecologists performed more concomitant hysterectomies (10.4% vs 1.0%, P < 0.001) and apical suspension procedures (6.1% vs 0%, P < 0.001). There were no differences in minor (7.8% vs 6.4%, P = 0.623) or major (2.6% vs 3.4%, P = 1.000) complications between the cohorts. The overall readmission rate was 4.7%, and the reoperation rate was 2.2% with no differences between specialties. On multivariable logistic regression analysis, body mass index and concurrent hysterectomy were risk factors for major or minor complications with no increased risk associated with surgeon specialty or route of surgery.

CONCLUSIONS

Complication rates did not differ for VVF repairs performed by gynecologists compared with urologists. Readmission and reoperation rates were low for both groups.

Suprapubic Transvesical Repair of Vesicovaginal Fistula Using a Homemade Laparoscopic Single-Port Device: Experience of 42 Patients

Aim: Vesicovaginal fistula (VVF) is the most common urogenital acquired fistula, and has remained a scourge and of public health importance. VVF can be repaired by transvaginal approach, transabdominal approach or transvesical approach, but the optimal management is still debated.

Methods: To demonstrate a suprapubic transvesical approach to repair VVFs using a homemade laparoscopic single-port device. A retrospective review of the medical records of 42 consecutive patients who underwent fistula repair for VVF at our center from January 2012 to March 2018 was performed. VVFs were repaired by a suprapubic transvesical approach using a homemade laparoscopic single-port device. Clinical data, perioperative data and outcomes were collected. The primary outcome was VVF successful closure rate, and secondary outcome was perioperative complications.

Results: The mean age of the patients was 44.6 (27–58) yr. The mean follow-up time was 65.6 (32–118) mo. The VVFs were successfully closed in 37 (88.1%) patients after the first surgery, and failure was observed in five patients. Initial failures of all the five patients were cured after a second repair. No major complication occurred as defined by Clavien-Dindo class 2 or greater.

Conclusions: Suprapubic transvesical approach to repair VVFs using a homemade laparoscopic single-port device is a simple, effective, and feasible approach offering ideal results without major complications.

[Repair of post-hysterectomy vesicovaginal fistulae: the state of the art]

In western countries, vesicovaginal fistulae (VVF) are mostly iatrogenic and in the majority of cases are secondary to hysterectomy. The golden standard for the treatment of VVF has remained largely unchanged since 1953 (Couvelaire): good visualization, good dissection, good approximation of the margins, and good urine drainage. However, several aspects are still being debated, including whether or not to pursue conservative repair, the timing for surgical repair, whether to perform excision of the fistula tract, the best type of surgical access, and whether or not to use tissue interposition. We decided to review the state of the art in the treatment of VVF, which are exclusively of a traumatic nature and non-radiated, by performing a bibliography search carried on Pubmed using keywords such as "vesicovaginal fistula". The search focused on recent articles and was largely restricted to the past 10 years.

Long-term functional outcomes following nonradiated vesicovaginal repair

PURPOSE

We investigated the long-term impact on bladder and sexual symptoms in women with prior vesicovaginal fistula repair, particularly those previously treated before referral.

MATERIALS AND METHODS

After receiving institutional review board approval we reviewed the charts of women who underwent nonradiated vesicovaginal fistula repair for demographics, surgical approach (vaginal or abdominal) and functional outcomes with a minimum 6-month followup. Patients lost to followup were reached by a structured phone interview and/or mailed validated lower urinary tract questionnaires, including the UDI-6 (Urogenital Distress Inventory-6), IIQ-7 (Incontinence Impact Questionnaire-7) and FSFI (Female Sexual Function Index). Three surgical groups were compared, including naïve-no prior repair, recurrent-1 prior repair and other-more than 2 repairs with the hypothesis of worse outcomes with more repairs.

RESULTS

From 1996 to 2011 vesicovaginal fistula repair was performed in 66 patients, including in 42 as primary treatment (vaginal vs abdominal approach in 31 vs 11), in 14 as secondary treatment, and in 10 who underwent more than 2 repairs. Mean patient age was 45 years (range 24 to 87), mean body mass index was 29 kg/m(2) (range 19 to 43) and mean followup was 55 months (range 6 to 198). The overall repair success rate was 97%. There was no difference in functional outcomes in questionnaire responders among the 3 groups for lower urinary tract symptoms (62% on UDI-6/IIQ-7). However, for FSFI (33% of patients) there was female sexual dysfunction in patients who underwent transabdominal repair and in women with 2 repairs.

CONCLUSIONS

Long-term followup of patients with vesicovaginal fistula repair indicated no differences in lower urinary tract outcomes at a mean 7-year followup between primary and recurrent repairs. There was a difference in sexual function, although it was not statistically significant. Sexual activity among responders was low.