Colonic strictures in Crohn's disease: a non-surgical survival

Area of Science:

• Gastroenterology
• Inflammatory Bowel Disease
• Surgical Gastroenterology

Background:

• Colonic stenosis is an uncommon complication of Crohn's disease (CD).
• Limited data exist on surgery-free survival rates for colonic stenosis in CD.
• This study investigates surgery-free survival and associated factors in CD patients with colonic stenosis.

Purpose of the Study:

• To determine surgery-free survival rates in patients with Crohn's disease-related colonic stenosis.
• To identify factors associated with surgery-free survival in this patient population.

Main Methods:

• Retrospective study of 56 patients with CD and colonic stenosis from 2003-2022.
• Exclusion criteria included uncertain diagnoses and follow-up < 6 months.
• Analysis of surgery-free survival rates and associated clinical and treatment factors.

Main Results:

• Surgery-free survival rates were 58.9% at 6 months, 43.7% at 2 years, and 31.7% at 5 years (average 46.7 months).
• Joint manifestations, corticosteroids, anti-TNF alpha, salicylates, and azathioprine were associated with increased surgery-free survival.
• Complications (collections, fistulas, obstruction) and parietal ulceration were linked to reduced surgery-free survival.
• Biologic therapy was the sole independent protective factor against surgery (OR = 0.19, p=0.001).

Conclusions:

• Biologic therapy significantly improves surgery-free survival in Crohn's disease patients with colonic stenosis.
• Early introduction of biologic therapy is crucial for managing colonic stenosis in CD.
• Conventional treatments show limited effectiveness in preventing surgery for colonic stenosis in CD.