Mesenteric Surgical Margin for Crohn's Disease Endoscopic Recurrence

Despite significant advancements in the treatment of Crohn's disease (CD), approximately 50% of patients undergo surgical intervention within ten years of diagnosis. Furthermore, more than 70% of these patients experience endoscopic recurrence within one year after surgery. This subset of patients often faces a poorer long-term prognosis and requires long-term intensified medical therapy. Therefore, reducing early postoperative endoscopic recurrence has remained a crucial focus in CD research. From a surgical perspective, there have been limited breakthroughs in improving surgical techniques to reduce the postoperative endoscopic recurrence rate in CD. Recent research indicates that microscopic inflammation at the cut edge of the CD bowel segment is a significant risk factor for postoperative endoscopic recurrence. Mesenteric wrapping is a unique clinical pathological feature of CD. Our retrospective data suggest a clear linear correlation between the degree of mesenteric wrapping and microscopic inflammation in the corresponding bowel segment. Surgical margins determined by mesenteric guidance significantly reduce the postoperative endoscopic recurrence rate and clinical relapse rate compared to the traditional 2 cm margin. However, there is currently no prospective study comparing the efficacy of these two surgical approaches.To address this, investigators plan to conduct a multicenter randomized controlled trial. This trial will focus on patients with ileocolonic CD who h…

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Jun H, M.D.  ·  13535452363  ·  hujun33@mail.sysu.edu.cn

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