• J R Krenz, M E O'Brien, J Lee, and B D Hayes.
• Department of Pharmacy, Massachusetts General Hospital, United States of America.
• Am J Emerg Med. 2021 Jun 1; 44: 312314312-314.

PurposeAcute aortic dissection is a serious and life-threatening condition that requires prompt, effective management. The purpose of this study was to evaluate the efficacy and safety of esmolol for heart rate control in patients with acute aortic dissection in the Emergency Department (ED).MethodsThis was a retrospective, descriptive analysis of patients treated for type A or type B acute aortic dissection in the ED at an academic medical center. The primary outcome was the proportion of patients achieving strict (≤60 bpm) or lenient (≤80 bpm) heart rate control within the first 60 min of therapy at the study site. The primary safety endpoint was the incidence of hypotension, defined as a systolic blood pressure of <90 mmHg or a mean arterial pressure of ≤60 mmHg.ResultsOf 266 patients screened, 40 patients met inclusion criteria. Thirty-three patients (82.5%) attained lenient rate control within the first 60 min of esmolol therapy. Eleven patients (27.5%) achieved a strict heart rate goal within the first 60 min of esmolol therapy. Five patients (12.5%) experienced an episode of hypotension during the first 3 h of esmolol therapy.ConclusionIn patients treated with esmolol infusion for acute aortic dissection, a lenient HR goal was achieved in most patients. In contrast, esmolol was not associated with attainment of strict HR control in most patients included in this sample. Further studies are warranted to evaluate the exact role of esmolol in acute aortic dissection in a larger patient population.Copyright © 2020 Elsevier Inc. All rights reserved.

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