• Am. J. Hypertens. · Oct 2020

    Use of RAAS Inhibitors and Risk of Clinical Deterioration in COVID-19: Results From an Italian Cohort of 133 Hypertensives.

    • Carla Felice, Chiara Nardin, Gian Luca Di Tanna, Ugo Grossi, Enrico Bernardi, Luca Scaldaferri, Micaela Romagnoli, Luca Tonon, Paola Cavasin, Simone Novello, Riccardo Scarpa, Antonio Farnia, Ernesto De Menis, Roberto Rigoli, Francesco Cinetto, Paolo Pauletto, Carlo Agostini, and Marcello Rattazzi.
    • Acute and Emergency Department, Ca' Foncello Hospital, Treviso, Italy.
    • Am. J. Hypertens. 2020 Oct 21; 33 (10): 944-948.

    BackgroundThe effect of chronic use of renin-angiotensin-aldosterone system (RAAS) inhibitors on the severity of COVID-19 infection is still unclear in patients with hypertension. We aimed to investigate the association between chronic use of angiotensin-converting enzyme inhibitors (ACEIs) or angiotensin II receptor blockers (ARBs) and COVID-19-related outcomes in hypertensive patients.MethodsA single-center study was conducted on 133 consecutive hypertensive subjects presenting to the emergency department with acute respiratory symptoms and/or fever who were diagnosed with COVID-19 infection between 9 and 31 March 2020.ResultsAll patients were grouped according to their chronic antihypertensive medications (ACEIs, N = 40; ARBs, N = 42; not on RAAS inhibitors, N = 51). There was no statistical difference between ACEIs and ARBs groups in terms of hospital admission rate, oxygen therapy, and need for noninvasive ventilation. Patients chronically treated with RAAS inhibitors showed a significantly lower rate of admission to semi-intensive/intensive care units, when compared with the non-RAAS population (odds ratio (OR) 0.25, confidence interval (CI) 95% 0.09-0.66, P = 0.006). Similarly, the risk of mortality was lower in the former group, although not reaching statistical significance (OR 0.56, CI 95% 0.17-1.83, P = 0.341).ConclusionsOur data suggest that chronic use of RAAS inhibitors does not negatively affect clinical course of COVID-19 in hypertensive patients. Further studies are needed to confirm this finding and determine whether RAAS inhibitors may have a protective effect on COVID-19-related morbidity and mortality.© American Journal of Hypertension, Ltd 2020. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

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