Hospital admissions for heart attacks increase after exposure to lower air temperature and cold spells, according to a study published today in JACC, the flagship journal of the American College of Cardiology, and presented at the European Society of Cardiology (ESC) Congress 2024.
American College of Cardiology Sep 1 2024 Hospital admissions for heart attack s increase after exposure to lower air temperature and cold spells, according to a study published today in JACC, the flagship journal of the American College of Cardiology , and presented at the European Society of Cardiology Congress 2024.
"These findings also underscore the urgent need for targeted interventions to protect vulnerable populations during and, particularly, after cold stress," Krumholz said. Tracking 120,380 individuals from the SWEDEHEART registry, researchers examined how short-term exposure to lower air temperatures and cold spells influenced the risk of heart attack hospital admissions during Sweden's cold season from 2005 to 2019.
Researchers also found exposure from day zero to one decreased the risk of heart attack hospitalizations. They said that this temporary protective effect could be due to behavior modifications during cold weather, like staying indoors to reduce exposure or delaying healthcare due to service disruptions; however, those behaviors are not sustainable and could account for the delay in hospitalizations to two to six days later.
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