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A computed tomography-based radiomic model for the prediction of strangulation risk in patients with acute intestinal obstruction

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Intelligent Medicine 2024年第1期4卷 33-42页

作者： Zhibo Wang Ruiqing Liu Shunli Liu Baoying Sun Wentao Xie Dongsheng Wang Yun Lu Department of Gastroenterological Surgery The Affiliated Hospital of Qingdao UniversityQingdaoShandong 266003China Department of Radiology The Affiliated Hospital of Qingdao UniversityQingdaoShandong 266003China Neurology Department Central Hospital Affiliated to Shandong First Medical UniversityJinanShandong 250000China Lingshui People’s Hospital LingshuiHainan 572400China

Background We created and validated a computed tomography(CT)-based radiomic model using both clinical factors and the radiomic signature for assessing the strangulation risk of acute intestinal *** would assist surgeons in accurately predicting intestinal ischemia and strangulation in patients with intestinal *** We recruited 289 patients with acute intestinal obstruction admitted in the Affiliated Hospital of Qingdao University from January 2019 to February *** patients were allocated to a training(n=226)and validation cohort(n=63).Radiomic features were collected from CT images,and the radiomic signature was extracted and used to calculate a radiomic score(Rad-score).A nomogram was constructed using the clinical features and the Rad-score,and the performance of the clinical,radiomics,and nomogram models was assessed in the two *** Six robust features were used to construct the radiomic *** nomogram incorporating hemoglobin levels,C-reactive protein levels,American Society of Anesthesiologists score,time of obstruction,CT image of mesenteric fluid(Pintestinal ischemia in patients with acute intestinal obstruction,with areas under the curve of 0.892(95%confidence interval,0.837–0.947)and 0.781(95%confidence interval,0.619–0.944)for the training and validation sets,*** decision curve analysis showed that this model outperformed the clinical and radiomic signature *** The radiomic nomogram may effectively predict intestinal ischemia in patients with acute intestinal disease and may assist clinical decision-making。

关键词： Acute intestinal obstruction Radiomics intestinal ischemia intestinal strangulation

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