Chapter 48

Treatment of Pulmonary Embolism

Medical, Surgical, and Percutaneous

First published: 06 May 2022

Summary

Pulmonary embolism (PE) presents in a continuum of severity that spans from incidentally discovered subsegmental PE to massive PE resulting in cardiogenic shock and death. The main cause of death in patients with large PE is right ventricular failure, cardiogenic shock, and refractory hypoxemia. Therefore, rapid recanalization of the pulmonary arteries is the ultimate goal of all therapies for acute PE, regardless whether pharmacologic (anticoagulation or systemic fibrinolysis), surgical, or catheter-based. All patients presenting with PE should be risk-stratified with the goal of identifying patients who are at high risk of dying if they do not receive treatment with thrombolysis or surgical embolectomy and identifying patients who are likely to develop chronic thromboembolic pulmonary hypertension. Anticoagulation therapy remains a cornerstone in the management of patients with acute PE. Selected patients with submassive or massive PE can also benefit from placement of a retrievable inferior vena cava filter, even if they are candidates for anticoagulation.

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