detection of internal hernia after LRYGB. SMV stran- Purpose: A reliable and immediate diagnosis of internal gulation and mesenteric edema are highly predictive and hernia is important for optimal and timely management easily identified features of internal herniation. of patients with a history of gastric bypass surgery. The aims of this study were to evaluate the interrater Key words: Gastric bypass—Internal hernia— agreement and diagnostic performance characteristics Computed tomography—Interrater of seven predefined CT findings of internal herniation in agreement—Diagnostic performance patients admitted on clinical suspicion of internal herni- ation after laparoscopic Roux-en-Y gastric bypass (LRYGB). With the raising prevalence of severe obesity worldwide Methods: Abdominal CT scans of 117 patients per- and the extensive use of bariatric surgery, the number of formed on clinical suspicion of internal hernia after patients who have undergone laparoscopic Roux-en-Y LRYGB surgery were evaluated by three radiologists gastric bypass (LRYGB) is rapidly increasing. However, (two experts and one resident) for the following: (1) Swirl in contrast to the intended effects of the surgical proce- sign, (2) strangulation of superior mesenteric vein dure (weight loss, improvement of diabetes and hyper- (SMV), (3) engorged mesenteric vessels and edema, (4) tension, etc.), there are well-known late postoperative
Abdominal Radiology – Springer Journals
Published: May 29, 2018
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