Abstract P258: The Use Of Ace Inhibitors And Angiotensin Receptor Blockers Is Associated With Decreased Mortality And Increased Hospitalization Rate In Covid-19 Patients
Introduction: Angiotensin converting enzyme inhibitors (ACEIs) and angiotensin II receptor blockers (ARBs) are well known for upregulating ACE2 receptors. SARS-Cov-2 (COVID-19) infection utilizes the ACE2 receptor for proliferation and infection of host cells. Hypothesis: We hypothesize that the use of ACEI/ARBs will lead to a higher mortality and hospitalization rate among COVID-19 infected patients. Methods: The electronic health database at a public hospital in New York City was queried retrospectively for patients 18 years and older with a positive test for COVID-19 between 3/1/2020 - 4/1/2021. We examined baseline characteristics including comorbidities and whether they were prescribed ACEI/ARBs versus other medications including beta-blockers, calcium channel blockers, thiazides, or hydralazine. We categorized patients based on ACEI/ARB. The primary outcomes were all-cause mortality and hospitalization. The secondary outcomes were acute kidney injury, ventricular arrhythmia, myocardial infarction, heart failure, and intubation. We adjusted for comorbidities using multivariate logistic regression. Results: We identified 23,068 patients positive for SARS-CoV-2; 1,385 on ACEI/ARBs and 21,683 not on ACE/ARBs. The mean age in years was 65.90 +- 14.35 (SEM 0.386) and 44.01+-16.76, (SEM 0.114) for ACEI/ARB and non-ACEI/ARB respectively (p<0.001). The incidence of all cause mortality and hospitalization rate were significantly greater in the ACEI/ARB group. However, when adjusted for comorbidities using multivariate logistic regression, OR for mortality was 0.41 (CI 0.32-0.52, p<0.001) and for hospitalization was 4.12 (CI 3.49-4.86 p<0.001). For the secondary outcomes, non-ACEI/ARB patients had significantly increased unadjusted odds of all outcomes (p<0.001), except for ventricular tachycardia (p<0.618) and intubation (p< 0.214). Conclusion: Patients in the ACEI/ARB group demonstrated significantly lower mortality and increased hospitalization rates. Increased hospitalization may be due to more comorbidities. These results highlight the importance of continuing the use of ACEI and ARBs in COVID-19 patients for treatment of comorbidities and cardioprotective effects.