• Valentina Trimarco, Raffaele Izzo, Daniela Pacella, Ugo Trama, Maria Virginia Manzi, Angela Lombardi, Roberto Piccinocchi, Paola Gallo, Giovanni Esposito, Gaetano Piccinocchi, Maria Lembo, Carmine Morisco, Francesco Rozza, Gaetano Santulli, and Bruno Trimarco.
• Department of Neuroscience, Reproductive Sciences, and Dentistry, "Federico II" University, Naples, Italy.
• Bmc Med. 2024 Mar 19; 22 (1): 127127.

BackgroundWhile the augmented incidence of diabetes after COVID-19 has been widely confirmed, controversial results are available on the risk of developing hypertension during the COVID-19 pandemic.MethodsWe designed a longitudinal cohort study to analyze a closed cohort followed up over a 7-year period, i.e., 3 years before and 3 years during the COVID-19 pandemic, and during 2023, when the pandemic was declared to be over. We analyzed medical records of more than 200,000 adults obtained from a cooperative of primary physicians from January 1, 2017, to December 31, 2023. The main outcome was the new diagnosis of hypertension.ResultsWe evaluated 202,163 individuals in the pre-pandemic years and 190,743 in the pandemic years, totaling 206,857 when including 2023 data. The incidence rate of new hypertension was 2.11 (95% C.I. 2.08-2.15) per 100 person-years in the years 2017-2019, increasing to 5.20 (95% C.I. 5.14-5.26) in the period 2020-2022 (RR = 2.46), and to 6.76 (95% C.I. 6.64-6.88) in 2023. The marked difference in trends between the first and the two successive observation periods was substantiated by the fitted regression lines of two Poisson models conducted on the monthly log-incidence of hypertension.ConclusionsWe detected a significant increase in new-onset hypertension during the COVID-19 pandemic, which at the end of the observation period affected ~ 20% of the studied cohort, a percentage higher than the diagnosis of COVID-19 infection within the same time frame. This observation suggests that increased attention to hypertension screening should not be limited to individuals who are aware of having contracted the infection but should be extended to the entire population.© 2024. The Author(s).

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