Retropubic vs. Transobturator Sling: Which is Safer?

Selecting the right surgical option for female stress urinary incontinence remains a critical decision for gynecologists and urologists. Midurethral sling procedures serve as a gold-standard treatment, yet long-term durability data remain scarce. Consequently, a new retrospective cohort study in BJOG evaluates the extended outcomes of these interventions.

Comparing Long-Term Rates of Midurethral Sling Procedures

In this study, researchers evaluated 1,881 patients who underwent either retropubic or transobturator midurethral sling procedures. They subsequently matched covariates to compare 570 retropubic slings with 317 transobturator slings. Over a median follow-up of 11.1 years, a clear clinical difference emerged between the two approaches. Specifically, transobturator slings showed a significantly higher risk of treatment failure than retropubic slings. Indeed, the reoperation rate for recurrent stress urinary incontinence reached 8.8% in the transobturator group. In contrast, only 4.4% of patients in the retropubic group required a second operation. Therefore, the transobturator approach carried more than double the risk of surgical recurrence.

Complications and Clinical Implications for Practice

While efficacy outcomes favored the retropubic route, safety profiles require careful consideration. Specifically, surgeons must balance the risk of recurrent incontinence against potential post-operative complications. Fortunately, the extended follow-up did not reveal any unexpected long-term safety signals for either device. However, the higher recurrence rate with the transobturator technique suggests that retropubic slings may offer superior long-term reliability. Clinicians should discuss these decade-long outcomes during patient counseling. Consequently, these findings will help Indian urogynecologists tailor their surgical recommendations to optimize patient satisfaction.

Frequently Asked Questions

Q1: Which sling procedure shows a higher long-term risk of reoperation for recurrent stress urinary incontinence?

The transobturator sling procedure shows a significantly higher long-term risk of reoperation. Specifically, the reoperation rate reached 8.8% for transobturator slings, whereas only 4.4% of patients with retropubic slings required a second surgery.

Q2: What was the median follow-up period for patients in this study?

The median follow-up period for the entire cohort was 11.1 years. Therefore, this study provides crucial, decade-long data on sling durability.

References

1. Trad ATA et al. Long-Term Outcomes After Retropubic and Transobturator Sling Procedures: Reoperation for Recurrent Stress Urinary Incontinence. BJOG. 2026 Jul 02. doi: 10.1111/1471-0528.70295. PMID: 42392760.
2. Ford AA et al. Mid-urethral sling operations for stress urinary incontinence in women. Cochrane Database of Systematic Reviews. 2017;7:CD006375. doi: 10.1002/14651858.CD006375.pub4.
3. Albo ME et al. Treatment success of retropubic and transobturator mid urethral slings at 24 months. J Urol. 2012;188:2281-2287. doi: 10.1016/j.juro.2012.07.103.