• Am J Emerg Med · Jun 2020

    Review

    Evaluation and management of pulmonary hypertension in the emergency department setting.

    • Erica Simon, Rachel E Bridwell, Tim Montrief, Alex Koyfman, and Brit Long.
    • Brooke Army Medical Center, Department of Emergency Medicine, 3841 Roger Brooke Dr, Fort Sam Houston, TX 78234, United States.
    • Am J Emerg Med. 2020 Jun 1; 38 (6): 1237-1244.

    BackgroundPulmonary hypertension (PH) is characterized by increased pulmonary vascular resistance and pulmonary arterial pressure and is associated with significant morbidity and mortality.ObjectiveThis narrative review evaluates PH, outlines the complex pathophysiologic derangements, and addresses the emergency department (ED) management of this patient population.DiscussionApproximately 10-20% of individuals in the United States suffer from PH. Each year nearly 12,000 PH patients seek care in the ED for a variety of symptoms which may or may not be related to PH. There are 5 classes of PH, some of which respond to particular therapies outlined in this review. As presenting complaints are frequently vague and non-specific, emergency physicians must recognize manifestations of PH and complications related to PH to deliver appropriate care. Early imaging with chest radiograph, bedside echocardiogram, and computed tomography can assist in determining the underlying etiology of PH exacerbation. Restarting oral or intravenous PH medications that may have been discontinued is crucial in initial management. Immense care should be taken to avoid hypoxia and hypercarbia as well as maintaining right ventricular preload support. In addition to correction of underlying precipitants, judicious vasopressor and inotrope use can help to correct pathophysiology and avoid further airway intervention.ConclusionsAn understanding of the pathophysiology of PH and available emergency treatments can assist emergency clinicians in reducing the immediate morbidity and mortality associated with this disease. Restarting maintenance PH medications and proper selection of vasopressors and inotropes will benefit decompensating patients with PH.Published by Elsevier Inc.

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