• J Vasc Interv Radiol · Oct 2017

    Comparative Study

    Comparison of Ultrasound-Accelerated versus Pigtail Catheter-Directed Thrombolysis for the Treatment of Acute Massive and Submassive Pulmonary Embolism.

    • Assaf Graif, Christopher J Grilli, George Kimbiris, Demetrios J Agriantonis, Omar Z Chohan, Charles R Fedele, Mandip S Gakhal, Ansar Z Vance, and Daniel A Leung.
    • Department of Vascular and Interventional Radiology, Christiana Care Health System, 4755 Ogletown Stanton Rd., P.O. Box 6001, Newark, DE 19713.
    • J Vasc Interv Radiol. 2017 Oct 1; 28 (10): 1339-1347.

    PurposeTo compare the technical and clinical effectiveness of ultrasound-accelerated endovascular thrombolysis (USAT) versus pigtail catheter-directed thrombolysis (PCDT) for the treatment of acute pulmonary embolism (PE).Materials And MethodsA single-center retrospective study of patients treated with USAT or PCDT for acute massive or submassive PE between January 2010 and December 2016 was performed by reviewing electronic medical records. Sixty treatments were reviewed (mean patient age, 56.7 y ± 14.6), including 52 cases of submassive PE (21 treated with USAT, 31 with PCDT) and 8 cases of massive PE (3 treated with USAT, 5 with PCDT). Endpoints included pulmonary artery pressure (PAP), Miller PE severity index, tissue plasminogen activator (TPA) dose, infusion duration, procedural variables, and complications.ResultsDemographics, PE severity, and right:left ventricular diameter ratios were similar between groups. USAT and PCDT significantly reduced mean PAP (reductions of 7.4 mm Hg [P = .002] and 8.2 mm Hg [P < .001], respectively) and Miller index scores (reductions of 45.8% [P < .001] and 53% [P < .001], respectively) with similar effectiveness (P = .47 and P = .15, respectively). Procedure (P < .001) and fluoroscopy (P = .001) times were significantly longer in the USAT group. The USAT group underwent fewer sessions (2.2 ± 0.6 vs 2.4 ± 0.6; P = .17) with shorter infusion times (23.9 h ± 8.8 vs 30.4 h ± 12.6; P = .065) and a lower total dose of TPA (27.1 mg ± 11.3 vs 30.4 mg ± 12.6; P = .075) compared with the PCDT group, but the differences were not significant. Complications (P = .07) and 30-day mortality rates (P = .56) were not significantly different between groups.ConclusionsUSAT and PCDT demonstrated comparable effectiveness and safety in the treatment of patients with acute PE.Copyright © 2017 SIR. Published by Elsevier Inc. All rights reserved.

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