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Ambient Temperatures Linked to Hospitalization for Renal Diseases

For each 1-degree Celsius increase in daily mean temperature, estimated risk for hospitalization for renal diseases increased by 0.9 percent

FRIDAY, Nov. 12, 2021 (HealthDay News) — Ambient temperature is associated with hospitalization for renal diseases, with more prominent risk seen for women, children aged 0 to 4 years, and the elderly aged 80 years or older, according to a study published online Oct. 31 in The Lancet Regional Health: Americas.

Bo Wen, from Monash University in Melbourne, Australia, and colleagues collected daily hospital admission data from 1,816 cities in Brazil from 2000 to 2015. The association between temperature and renal disease was examined by applying a time-stratified case-crossover design.

The researchers found that during the study period, 2,726,886 hospitalizations for renal disease were recorded. At the national level, for each 1-degree Celsius increase in daily mean temperature, there was a 0.9 percent increase in the estimated risk for hospitalization for renal diseases over lag zero to seven days. The largest associations between temperature and renal diseases were seen at lag zero days but persisted for lag one to two days. In women, children aged 0 to 4 years, and the elderly aged 80 years or older, the risk was more prominent. The increase of temperature accounted for 7.4 percent of hospitalizations for renal disease, equating to 202,093 cases.

“In the context of global warming, more strategies and policies should be developed to prevent heat-related hospitalizations and address climate change as soon as possible,” the authors write.

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