Abstract
The aim of this study was to evaluate the safety and efficacy of indirect thrombolysis via the superior mesenteric artery (SMA) in patients with acute portal vein thrombosis. Over 10years, we studied the safety and efficacy of indirect thrombolysis via the SMA in 34 patients with acute portal vein thrombosis. Eighteen patients were categorized as the systemic thrombolysis (ST) group and 16 as the catheter thrombolysis (CT) group. The ST group was administered low-molecular-weight heparin, and patients in the CT group received catheter thrombolysis. Clinical data, such as comorbidities, laboratory test results, therapeutic methods, and prognosis, were recorded. All the patients underwent a routine clinical follow-up that was performed by inpatient examinations or outpatient visits at a mean follow-up time of 34months. The thrombus score was significantly higher in the ST group (3.67±1.19) than in the CT group (2.38±0.62) after 2weeks of treatment (P<0.05). The average period of symptom alleviated was longer in the ST group (3.29±1.59days) than in the CT group (2.07±0.73days, P<0.05). Five patients (4 in the ST group and 1 in the CT group) underwent a laparotomy because of peritonitis after thrombolysis for 24hr. One patient died of a malignant tumor after 18months. Indirect thrombolysis via the SMA is safer and more effective for patients with portal vein thrombosis compared with systemic thrombolysis.
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