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首页> 外文期刊>Techniques in coloproctology. >A new aortoiliac calcification scoring system to predict grade C anastomotic leak following rectal cancer surgery
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A new aortoiliac calcification scoring system to predict grade C anastomotic leak following rectal cancer surgery

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Background Aortoiliac calcification may be a surrogate marker of decreased visceral perfusion causing anastomotic leak (AL). The aim of this study was to evaluate the predictive role of aortoiliac calcification for AL after rectal cancer surgery. Methods We enrolled patients with primary rectal cancer who had restorative resection at our institution between January 2013 and December 2015. An aortoiliac calcification score was calculated as the sum of calcification scores at the infrarenal aorta (0: no, 1: ≤ 3 cm, 2: >3 cm) and the common iliac arteries (0: no, 1: unilateral, 2: bilateral). AL was classified into three grades: grade A, requiring no intervention; grade B, requiring therapeutic intervention without re-laparotomy; and grade C, requiring re-laparotomy. Clinicopathological characteristics were analyzed to identify risk factors for AL. Results There were 583 patients. Three-hundred forty-five (59.2) had an aortoiliac calcification score ≥ 3, and 37 (6.3) patients experienced AL, in 30 cases (5.1) grade C AL. Patients with an aortoiliac calcification score ≥ 3 had a higher incidence of grade C AL (6.7 vs. 2.9, p = 0.045). Multivariate logistic regression analysis revealed that an aortoiliac calcification score ≥ 3 was an independent risk factor for grade C AL (odds ratio=2.669, 95 confidence interval 1.066-6.686, p = 0.036). Conclusions Aortoiliac calcification may be considered a risk factor for grade C AL after rectal cancer surgery.

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