Journal
LANCET REGIONAL HEALTH-WESTERN PACIFIC
Volume 30, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.lanwpc.2022.100630
Keywords
Heart failure; BNT162b2; CoronaVac; COVID-19 vaccine; Vaccine safety; Self-controlled case series
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This study aimed to investigate the safety of two COVID-19 vaccines, BNT162b2 and CoronaVac, in patients with heart failure (HF). The study found that there were no increased risks of hospitalization for HF, major adverse cardiovascular events (MACE), or all hospitalization after receiving these vaccines in patients with HF.
Background COVID-19 vaccines are important for patients with heart failure (HF) to prevent severe outcomes but the safety concerns could lead to vaccine hesitancy. This study aimed to investigate the safety of two COVID-19 vaccines, BNT162b2 and CoronaVac, in patients with HF. Methods We conducted a self-controlled case series analysis using the data from the Hong Kong Hospital Authority and the Department of Health. The primary outcome was hospitalization for HF and the secondary outcomes were major adverse cardiovascular events (MACE) and all hospitalization. We identified patients with a history of HF before February 23, 2021 and developed the outcome event between February 23, 2021 and March 31, 2022 in Hong Kong. Incidence rate ratios (IRR) were estimated using conditional Poisson regression to evaluate the risks following the first three doses of BNT162b2 or CoronaVac. Findings We identified 32,490 patients with HF, of which 3035 were vaccinated and had a hospitalization for HF during the observation period (BNT162b2 = 755; CoronaVac = 2280). There were no increased risks during the 0-13 days (IRR 0.64 [95% confidence interval 0.33-1.26]; 0.94 [0.50-1.78]; 0.82 [0.17-3.98]) and 14-27 days (0.73 [0.35-1.52]; 0.95 [0.49-1.84]; 0.60 [0.06-5.76]) after the first, second and third doses of BNT162b2. No increased risks were observed for CoronaVac during the 0-13 days (IRR 0.60 [0.41-0.88]; 0.71 [0.45-1.12]; 1.64 [0.40-6.77]) and 14-27 days (0.91 [0.63-1.32]; 0.79 [0.46-1.35]; 1.71 [0.44-6.62]) after the first, second and third doses. We also found no increased risk of MACE or all hospitalization after vaccination. Interpretation Our results showed no increased risk of hospitalization for HF, MACE or all hospitalization after receiving BNT162b2 or CoronaVac vaccines in patients with HF. Copyright (c) 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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