Comparison between systemic and catheter thrombolysis in patients with pulmonary embolism

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Abstract

Background:

Although systemic thrombolysis (ST) or catheter-directed therapy (CDT) is performed in patients with acute massive or submassive pulmonary embolism (PE), clinical data comparing between both therapies remain limited. We compared clinical outcomes between ST and CDT in patients with acute massive and submassive PE.

Methods:

From January 2005 to June 2015, clinical outcomes of patients with acute massive or submassive PE receiving ST or CDT were evaluated and compared retrospectively.

Results:

Of 72 patients, 44 were treated with ST; and 28, with CDT. The mean age was 63.9 ± 17 years old. The proportion of male sex was higher in patients receiving CDT compared to that with ST (46.4% vs 20.5%; P = .02). Half of patients presented with massive PE, and cardiac arrest occurred in 11 patients (15.3%). No difference was observed between the 2 groups with respect to 7-day mortality (13.6% in ST vs 10.7% in CDT), inhospital mortality (13.6% in ST vs 14.3% in CDT), and major bleeding complication (16.7% in ST vs 16.7% in CDT). Cardiac arrest (odds ratio, 6.286; 95% confidence interval, 1.081-36.555; P = .041) was associated with 14-day mortality.

Conclusions:

Similar clinical outcomes were shown between ST and CDT in patients with acute massive or submassive PE.

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