Chronic disease increases the odds of hospitalization from heat exposure, study finds

By Priyanjana Pramanik, MSc.May 8 2024Reviewed by Lily Ramsey, LLM In a recent study published in eBioMedicine, researchers investigated the impact of ambient heat exposure on hospitalizations among individuals with varying numbers and combinations of chronic disease s.

While individuals with specific chronic diseases like cardiovascular issues are recognized as vulnerable to heat, the impact of multimorbidity on heat-related health risks remains unclear. This study used data from the hospital registry in Queensland, Australia, to analyze emergency hospitalizations from March 2004 to April 2016 in eight cities/communities.

The association between ambient heat exposure and hospitalizations was assessed using a time-stratified case-crossover design, analyzing odds ratio with a five-degree celsius increase in mean temperature. Subgroup analyses were conducted based on age, sex, indigenous status, and socioeconomic status.

The odds of an individual being hospitalized for any cause increased with the number of chronic diseases they had. This was particularly true for non-indigenous people, males, and older individuals. In individuals with multimorbidity, i.e., having two or more chronic diseases, the ORs of hospitalizations for various conditions, including infectious and parasitic disease, urological disease, and heat-related illness, significantly increased with a 5°C rise in mean temperature, indicating heightened vulnerability.

Source: Healthcare Press (healthcarepress.net)

Chronic Disease Heat Asthma Cardiovascular Disease Chronic Kidney Disease Kidney Kidney Disease Multimorbidity

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