UTIs Linked to Short-Term Increased Risk of Heart Attack and Stroke, reveals research
A study published in BMJ Open has revealed that urinary tract infections (UTIs) may act as a trigger for myocardial infarction (MI) or stroke, particularly within the first 7 days of infection. This supports growing evidence that acute infections contribute to the development of cardiovascular diseases. The study was conducted by Nicola F. and colleagues.
The research sought to assess whether UTIs are linked with greater short-term risk of adverse cardiovascular events. Through a self-controlled case series design, researchers compared patients who both experienced a confirmed UTI and either a first MI or stroke between January 1, 2010, and December 31, 2020. Participants minimized the risk of confounding by serving as their own controls.
The study employed the linked general practice, hospital admission, and microbiology data on the population of Wales from the Secure Anonymised Information Linkage (SAIL) databank. The participants were only those who were more than 30 years old and had a hospital admission for MI or stroke and microbiologically confirmed UTI in the study period.
The study defined risk periods as 1–7 days, 8–14 days, 15–28 days, and 29–90 days after UTI diagnosis and compared the incidence of MI or stroke occurring during those periods versus baseline periods using Poisson regression to calculate incidence rate ratios (IRRs) with 95% CIs.
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