Thrombolytics in Cardiac Arrest from Pulmonary Embolism: A Systematic Review and Meta Analysis

Author:

Feltes Jordan1ORCID,Popova Margarita1,Hussein Yasir1,Pierce Ayal1,Yamane David12

Affiliation:

1. Department of Emergency Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC, USA

2. Department of Anesthesiology and Critical Care Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC, USA

Abstract

Background During cardiopulmonary resuscitation, intravenous thrombolytics are commonly used for patients whose underlying etiology of cardiac arrest is presumed to be related to pulmonary embolism (PE). Methods We performed a systematic review and meta-analysis of the existing literature that focused on the use of thrombolytics for cardiac arrest due to presumed or confirmed PE. Outcomes of interest were return of spontaneous circulation (ROSC), survival to hospital discharge, neurologically-intact survival, and bleeding complications. Results Thirteen studies with a total of 803 patients were included in this review. Most studies included were single-armed and retrospective. Thrombolytic agent and dose were heterogeneous between studies. Among those with control groups, intravenous thrombolysis was associated with higher rates of ROSC (OR 2.55, 95% CI = 1.50–4.34), but without a significant difference in survival to hospital discharge (OR 1.41, 95% CI = 0.79–2.41) or bleeding complications (OR 2.21, 0.95–5.17). Conclusions Use of intravenous thrombolytics in cardiac arrest due to confirmed or presumed PE is associated with increased ROSC but not survival to hospital discharge or change in bleeding complications. Larger randomized studies are needed. Currently, we recommend continuing to follow existing consensus guidelines which support use of thrombolytics for this indication.

Publisher

SAGE Publications

Subject

Critical Care and Intensive Care Medicine

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