Case Study: Portomesentric venous thrombosis in a prophylactically anticoagulated obese patient after laparoscopic sleeve gastrectomy
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Venous thromboembolism is a common cause of morbidity and mortality after bariatric surgery. risk factors for VTE after bariatric surgery include the type of operation performed, patient age greater than 50 years, postoperative anastomotic leak, history of smoking, and prior VTE.
Laparoscopic sleeve gastrectomy is the standard procedure performed in the modern era. Portomesenteric thrombosis is a potential complication of this surgery, especially due to the procoagulant obese state of the patient and the manipulation of the portomesenteric venous system during surgery. This article presents a case study of portomesenteric venous thrombosis in a prophylactically anticoagulated obese patient after laparoscopic sleeve gastrectomy.
The article also highlights the guideline recommendations for patients undergoing bariatric surgery. Portomesenteric venous thrombosis can be prevented by anticoagulant prophylaxis in the form of low molecular weight heparin post-surgery for a minimum of 7 days.
