We compared the therapeutic effect of catheter direct thrombolysis (CDT) and peripheral venous thrombolysis (PVT) for patients with acute pulmonary embolism (APE). Totally, 74 patients with APE were enrolled, including 37 in the CDT group and 37 in the PVT group. The changes in clinical indicators pre and posttreatment were observed. Clinical efficacy was evaluated. Kaplan-Meier method was used to analyze the survival of patients during follow-up. In both the PVT group and CDT group, partial pressure of oxygen after treatment increased significantly than that before treatment (P < .05). However, in both groups, the levels of partial pressure of carbon dioxide, D-dimer, B-type brain natriuretic peptide, pulmonary arterial pressure, and thrombus volume after treatment were significantly decreased than those before treatment (P < .05). After treatment, patients from the CDT group had significantly lower D-dimers, partial pressure of carbon dioxide, brain natriuretic peptide, and pulmonary arterial pressure, and significantly higher partial pressure of oxygen compared to patients from the PVT group (P < .05). The total effective rate was 97.2% in the CDT group and 81.0% in the PVT group. The bleeding incidence in the CDT group was significantly lower than that in the PVT group (P < .05). The median survival time in the CDT group was significantly longer than that in the PVT group (P < .05). CDT can more effectively improve symptoms, cardiac function, and survival rate of APE patients while reducing bleeding incidence than PVT, and thus is safe and effective in treating APE.
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