• J Laparoendosc Adv Surg Tech A · Sep 2014

    Observational Study

    Incidence of deep vein thrombosis and thrombosis of the portal-mesenteric axis after laparoscopic sleeve gastrectomy.

    • Ena Alsina, Jaime Ruiz-Tovar, Maria Remedios Alpera, Jose Gregorio Ruiz-García, Manuel Enrique Lopez-Perez, Jose Francisco Ramon-Sanchez, and Francisco Ardoy.
    • 1 Department of Radiology, General University Hospital Elche , Alicante, Spain .
    • J Laparoendosc Adv Surg Tech A. 2014 Sep 1; 24 (9): 601-5.

    BackgroundVenous thromboembolism is the most common postoperative medical complication after bariatric surgery. Mortality associated with thromboembolic processes can reach up to 50%-75%. The aim of this study was to determine the incidence of deep vein thrombosis (DVT) and portal-splenic-mesenteric vein thrombosis (PSMVT) in our population undergoing laparoscopic sleeve gastrectomy (LSG) as the bariatric technique, with an anti-thromboembolic dosage scheme of 0.5 mg/kg/day 12 hours preoperatively and maintained during 30 days postoperatively.Patients And MethodsA prospective observational study was performed, including 100 consecutive patients undergoing LSG between October 2007 and September 2013. To determine the incidence of DVT and PSMVT, all patients undergo contrast-enhanced abdominal computed tomography (CT) and Doppler ultrasonography (US) of both lower limbs on the third postoperative month, whether they were asymptomatic or symptomatic.ResultsContrast-enhanced CT showed 1 case of PSMVT (1%). Two patients presented DVT in the right leg (2%). All the cases were asymptomatic.ConclusionsThe incidence of PSMVT and DVT after LSG with a prophylactic low-molecular-weight heparin dose of 0.5 mg/kg/day and maintained during 30 days postoperatively is 1% and 2%, respectively. According to these results, a postoperative screening with Doppler US and/or contrast-enhanced CT seems to be unnecessary.

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