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  • Title: Tranditional Roux-en-Y vs Uncut Roux-en-Y in Laparoscopic Distal Gastrectomy: a Randomized Controlled Study.
    Author: Xie H, Wu F, Huang C, Chen Q, Ni Z, Wang S, Ge B, Liu L, Huang Q.
    Journal: J Gastrointest Surg; 2023 Jun; 27(6):1098-1105. PubMed ID: 36917403.
    Abstract:
    BACKGROUND: Traditional Roux-en-Y may cause Roux-en-Y stasis syndrome (RSS), and Uncut Roux-en-Y was proposed to solve this problem. However, because afferent loop recanalization may occur after surgery, its clinical application remains controversial. The purpose of this study was to compare the long-term outcomes of these two gastrointestinal reconstruction methods. METHODS: A total of 108 patients who received laparoscopic-assisted distal gastrectomy (LADG) were enrolled; 57 were randomly divided into the Uncut Roux-en-Y (URY) group, and 51 were divided into the Roux-en-Y (RY) group. Patients were followed up for 1 year to evaluate variables, including the following: (1) Assessments for RSS; (2) Preoperative and postoperative Gastrointestinal Symptom Rating Scale (GSRS) scores; (3) Postoperative gastroscopy to assess the occurrence of reflux esophagitis (Los Angeles classification), residual gastritis and bile reflux 1 year after surgery; and (4) Upper gastrointestinal radiography to evaluate whether recanalization occurred in patients in the URY group after surgery. RESULTS: At 1 year after surgery, a total of 42 patients (73.7%) developed afferent loop recanalization. The incidence of RSS was not different between the two groups (OR, 1.301 [95% CI, 0.482 to 3.509]; P = 0.603P = 0.603). The GSRS score was higher in the URY group (P < 0.001). Postoperative gastroscopy showed that the incidence of bile reflux (P < 0.001) and the grade of residual gastritis (P < 0.001) were significantly higher in the URY group, but the grade of reflux esophagitis was not significantly different (P = 0.447, [95% CI, 0.437 to 0.457]P = 0.397). CONCLUSIONS: Compared with traditional Roux-en-Y anastomosis, due to the high recanalization rate, the URY group developed more severe gastrointestinal symptoms, the incidence of bile reflux and the grade of residual gastritis increased and the incidence of postoperative RSS was not reduced.
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