Abstract
OBJECTIVE. The purpose of this study was to evaluate the safety and efficacy of transhepatic pharmacomechanical thrombectomy of symptomatic acute portomesenteric venous thrombosis. MATERIALS AND METHODS. Transhepatic pharmacomechanical thrombectomy (catheter-directed thrombolysis with mechanical thrombectomy) was performed in the treatment of nine patients with symptomatic acute noncirrhotic, nonmalignant porto-mesenteric venous thrombosis. The medical records, imaging examinations, technique of transhepatic pharmacomechanical thrombectomy, and clinical outcomes were reviewed. RESULTS. The mean follow-up period was 23.1 months (range, 8-34) months. Successful recanalization of the portomesenteric venous thrombosis, restoration of hepatopetal portal flow, clinically significant improvement in the signs and symptoms of acute mesenteric ischemia, and prevention of bowel resection were achieved in all patients. The most frequent minor complication (in three patients) was minor hemorrhage through the transhepatic access track. No procedure-related major complications occurred during hospitalization. No patient had rethrombosis or complications related to portal hypertension due to portomesenteric venous thrombosis. One patient died of massive pulmonary embolism on the 7th day after treatment. Cavernous transformation of the right portal vein occurred in one patient. CONCLUSION. Transhepatic pharmacomechanical thrombectomy is a safe and effective method of treatment of symptomatic acute portomesenteric venous thrombosis and prevention of bowel infarction.
Published Version
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