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  • Title: Effect of antithrombic therapy on bleeding complications in patients receiving emergency cholecystectomy for acute cholecystitis.
    Author: Kawamoto Y, Fujikawa T, Sakamoto Y, Emoto N, Takahashi R, Kawamura Y, Tanaka A.
    Journal: J Hepatobiliary Pancreat Sci; 2018 Nov; 25(11):518-526. PubMed ID: 30312537.
    Abstract:
    BACKGROUND: The risk of developing hemorrhagic complications during or after emergency cholecystectomy in patients with antithrombic therapy (ATT) remains uncertain. In this study, we evaluate outcomes in patients with ATT undergoing emergency cholecystectomy and assess the relevance between ATT and perioperative complications including bleeding complications. METHODS: We retrospectively evaluated 296 patients who were diagnosed as acute cholecystitis and underwent emergency cholecystectomy between 2005 and 2017. One hundred and thirty-three of them (45%) were on ATT. The primary outcome measures were intraoperative blood loss over 500 ml and postoperative complications including bleeding complications. This study was approved by our institutional review board (#13072904). RESULTS: There were 23 patients (8%) who experienced intraoperative blood loss over 500 ml and nine postoperative bleeding complications (3%). Multivariable analyses showed that male sex (P = 0.027), Performance Status 2-4 (P = 0.031) and grade II or III acute cholecystitis (P = 0.033) were independent risk factors for intraoperative bleeding over 500 ml, whereas not single antiplatelet therapy (APT) use but multiple APT (P = 0.034) and anticoagulation therapy (ACT) (P = 0.032) were independently associated with postoperative bleeding complications. Additionally, laparoscopic surgery, but not ATT, was a significant prognostic factor for severe postoperative complications. CONCLUSIONS: Single APT was not remained as an independently associated factor of intraoperative excessive bleeding or severe postoperative complications including bleeding complications. However, patients treated with multiple APT or ACT still represent a challenging group and must be carefully managed to avoid postoperative bleeding complications.
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