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Related Concept Videos

Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Diverticular Disease of the Colon01:27

Diverticular Disease of the Colon

Diverticular disease involves the formation of diverticula—small sac-like outpouchings of the colonic wall—and their complications. It most commonly affects the sigmoid colon due to higher intraluminal pressure and structural vulnerability. It results from structural weakness and increased pressure in the colon, producing pseudodiverticula that may remain silent or progress to inflammation and serious complications.Structure of DiverticulaIn diverticulosis, these outpouchings are...

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Related Experiment Video

Updated: May 25, 2026

The C-seal: A Biofragmentable Drain Protecting the Stapled Colorectal Anastomosis from Leakage
07:51

The C-seal: A Biofragmentable Drain Protecting the Stapled Colorectal Anastomosis from Leakage

Published on: November 4, 2010

Complex anal fistulas: plug or flap?

Mark D Muhlmann1, Julian L Hayes, Arend E H Merrie

  • 1Colorectal Unit, Department of Surgery, Auckland City Hospital, Auckland, New Zealand. markmuhlmann@sydneycolorectal.com.au

ANZ Journal of Surgery
|February 3, 2012
PubMed
Summary
This summary is machine-generated.

Treatment for complex anal fistulas using rectal mucosal advancement flaps (RMAF) or fistula plugs (FP) yields poor healing rates. Neither RMAF nor FP significantly altered the low success rate of approximately one-third of patients.

Related Experiment Videos

Last Updated: May 25, 2026

The C-seal: A Biofragmentable Drain Protecting the Stapled Colorectal Anastomosis from Leakage
07:51

The C-seal: A Biofragmentable Drain Protecting the Stapled Colorectal Anastomosis from Leakage

Published on: November 4, 2010

Area of Science:

  • Colorectal surgery
  • Gastroenterology
  • Surgical outcomes

Background:

  • Complex anal fistulas present a significant management challenge.
  • Rectal mucosal advancement flaps (RMAF) and fistula plugs (FP) are surgical options for complex anal fistula treatment.
  • Previous repair failures are common in patients with complex anal fistulas.

Purpose of the Study:

  • To compare the efficacy of Rectal Mucosal Advancement Flaps (RMAF) versus Fistula Plugs (FP) for complex anal fistula repair.
  • To evaluate healing rates, time to failure, and the role of MRI in fistula management.

Main Methods:

  • Retrospective review of complex anal fistula cases treated with RMAF or FP between 2004 and 2008.
  • Analysis of successful healing rates, time to failure, and pre-operative MRI use.
  • Follow-up of patients with a mean duration of 4.5 months post-procedure.

Main Results:

  • 70 procedures were performed on 55 patients; 30% had prior unsuccessful repairs.
  • RMAF had a 33% success rate (16/48), and FP had a 32% success rate (7/22); P = 0.9.
  • No significant difference in mean time to failure between RMAF (4.8 months) and FP (4.1 months).

Conclusions:

  • Outcomes for complex anal fistula treatment remain suboptimal.
  • Neither RMAF nor FP demonstrated a superior healing rate, with both achieving success in approximately one-third of patients.
  • The choice between RMAF and FP did not significantly impact patient outcomes in this cohort.