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Resection margins and recurrent Crohn's disease.
1Toronto General Hospital, University of Toronto, Ontario, Canada.
Hepato-Gastroenterology
|February 1, 1990
Summary
Recurrence after Crohn's disease surgery is hard to compare due to varied criteria. Current evidence suggests microscopic margins and wider resections offer little benefit in preventing recurrence.
Area of Science:
- Gastroenterology
- Surgical Oncology
- Inflammatory Bowel Disease
Background:
- Recurrence rates after surgery for Crohn's disease vary significantly.
- Comparing recurrence rates across institutions is challenging due to differing definitions and methodologies.
Purpose of the Study:
- To assess the impact of various factors on postoperative recurrence rates in Crohn's disease.
- To evaluate the significance of microscopic disease at the resection margin and the optimal margin width.
Main Methods:
- Review of factors influencing recurrence rates.
- Analysis of the significance of microscopic disease at resection margins.
- Assessment of the impact of resection margin width on recurrence.
Main Results:
- Evidence suggests microscopic disease at the margin may not significantly impact recurrence.
- No conclusive evidence supports wider resections leading to lower recurrence rates.
- Radical resections pose risks, including malabsorptive symptoms and short bowel syndrome.
Conclusions:
- Ensuring a margin free of microscopic disease appears to offer little benefit in preventing Crohn's disease recurrence.
- Wider resection margins are not conclusively linked to lower recurrence rates.
- Resecting only grossly involved small bowel is recommended, with awareness of short bowel syndrome risks.