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Risk factors for postoperative stoma outlet obstruction in ulcerativecolitis

World Journal of Gastrointestinal Surgery 2020年第12期12卷 507-519页

作者： Tomoaki Kitahara Yu Sato Takashi Oshiro Rie Matsunaga Makoto Nagashima Shinichi Okazumi Department of Surgery Toho University Sakura Medical CenterSakura 285-8741ChibaJapan

BACKGROUND Current medical treatments can achieve remission of ulcerative colitis (UC).Surgery is required when potent drug treatment is ineffective or when coloncancer or high-grade dysplasia develops. The standard procedure is restorativeproctocolectomy (RPC) with ileal pouch-anal anastomosis, commonly performedas two- or three-stage RPC with diverting ileostomy. Postoperative stoma outletobstruction (SOO) is frequent, but the causes are not well *** To identify the risk factors for SOO after stoma surgery in patients with *** We retrospectively reviewed the files of 148 consecutive UC patients whounderwent surgery with stoma construction. SOO was defined as small bowelobstruction symptoms and intestinal dilatation just below the penetrating part ofthe stoma on computed tomography. Patients were divided into two groups:Those who developed SOO within 30 d after surgery and those who did *** characteristics, intraoperative parameters, the stoma site, and rectusabdominis muscle thickness were collected. Moreover, we identified the patientswho repeatedly developed SOO. Univariate and multivariate analyses wereperformed to identify risk factors for SOO and recurring *** Eighty-nine patients who underwent two-stage RPC were included betweenJanuary 2008 and March 2020. Postoperatively, SOO occurred in 25 (16.9%)patients after a median time of 9 d (range 2-26). Compared to patients withoutSOO, patients with SOO had a significantly higher rate of malignant tumors ordysplasia (36.0% vs 17.1%, P = 0.032), lower total glucocorticoid dose one monthbefore surgery (0 mg vs 0 mg, P = 0.026), higher preoperative total protein level(6.8 g/dL vs 6.3 g/dL, P = 0.048), higher rate of loop ileostomy (88.0% vs 55.3%, P= 0.002), and higher maximum stoma drainage volume (2300 mL vs 1690 mL, P =0.004). Loop ileostomy (OR = 6.361;95%CI 1.322–30.611;P = 0.021) and maximumstoma drainage volume (OR = 1.000;95%CI 1.000–1.001;P = 0.015) wereconfirmed as independent r

关键词： Ileal pouch anal anastomosis Ileostomy Loop ileostomy proctocolectomy and restorative Surgical stomas total proctocolectomy Ulcerative colitis

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