Rectovaginal Fistulas

Rectovaginal fistulas are among the most difficult and emotionally impactful conditions in colorectal surgery. In this episode, we explore the causes, diagnosis, and management of rectovaginal fistulas with a focus on both the surgical and human aspects of care.We begin by breaking down the anatomy and mechanisms that lead to fistula formation, including obstetric injury, surgical complications, inflammatory bowel disease, and radiation. Listeners will gain an understanding of how these pathways differ and why the underlying cause strongly influences treatment decisions.The conversation then shifts to diagnosis, highlighting the importance of history, physical examination, and imaging. We discuss when endoscopy or MRI is useful and how multidisciplinary collaboration—often involving colorectal surgeons, urogynecologists, and radiologists—creates the most accurate map of the fistula tract.Treatment strategies are covered in depth. Topics include:Conservative measures and the rare instances when observation may be appropriate.Local repairs, advancement flaps, and sphincteroplasty for select cases.Tissue interposition techniques, including Martius flap and gracilis muscle transposition.Complex and recurrent fistulas, where diversion or staged approaches may be necessary.Emerging methods, including biologics and minimally invasive techniques.Throughout the episode, we emphasize the patient perspective. Rectovaginal fistulas carry a heavy burden—social, emotional, and physical. By framing surgical decision-making in terms of not just anatomy but quality of life, we aim to bring a compassionate lens to this complex problem.By the end of the episode, listeners will understand the full landscape of rectovaginal fistulas: how they form, how they are best evaluated, and the principles guiding surgical repair. This discussion provides a structured framework for trainees, a reference for practitioners, and a source of clarity for patients navigating a difficult diagnosis.

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