Background: In patients with multifocal intestinal Crohn disease requiring surgery for complication or uncontrolled disease, resection of all the lesions may lead to diarrhea and malnutrition.
Methods: This is a single-center retrospective review of all patients undergoing targeted surgery for multifocal Crohn disease with at least one residual Crohn disease location left behind. The primary endpoint was the rate of insufficient control of residual Crohn disease lesions requiring redo-surgery targeting these lesions. The rate of clinical remission defined by Harvey-Bradshaw index <4 was studied over time.
Results: From January 2012 to August 2022, among 320 patients undergoing surgery for intestinal Crohn disease, 30 met all criteria. Before surgery, patients had received a mean of 3 medical treatment lines; 83% (n = 25) had a clinically active Crohn disease (Harvey-Bradshaw index ≥4). Surgery consisted in ileocolonic (n = 14;47%), small bowel (n = 5;17%) or colonic resection (n = 12;40%) and strictureplasty (n = 4;13%). Operative mortality was nil. Overall postoperative and severe morbidity rates were 15 of 30 (50%) and 3 of 30. Residual lesions were in the small bowel (n = 15;50%), the colon (n = 16;53%), and/or the rectum (n = 16;53%). Twenty-five patients (83%) had postoperative medical therapy. Median follow-up was 65. Six patients (20%) required reoperation for insufficient control of residual lesions at index surgery after a mean of 98 ± 8 months. The clinical remission rate increased from 17% before surgery to 59% at 6-12 months and 71% at 24 months.
Conclusion: In patients with multifocal Crohn disease, surgery targeted to severe and complicated lesions combined with postoperative medical treatment is a safe and effective strategy.
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