期刊
JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES
卷 62, 期 6, 页码 647-651出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/gerona/62.6.647
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Background. Summer 2003 witnessed an excess in heat-related mortality in the elderly population. The Argento Project was planned to define risk factors for heat-related death in Modena, Italy, during the hottest month of 2003 (August). Methods. We performed a retrospective, case-control study of a cohort of 394 older persons living in Modena, 197 dead (cases) and 197 survivors (controls). A questionnaire to collect information about demographic, social, environmental, and clinical characteristics and about causes of death was completed. Results. Cases were more likely to be living in a nursing home and needing assistance (p = .024, and p < .001, respectively). Survivors were living on higher level floors (p = .046). Spending the summer in Modena was significantly related to poor outcomes (p < .01). A higher number of cases were using public health services (p < .001). Individuals who died had a greater degree of comorbidity and dependence (p < .001); they were cognitively impaired (p < .001), took a larger number of drugs (p < .001), and had a greater number of hospital admissions (p < .001). Multivariate analysis showed that patients who spent the summer in Modena had a higher mortality. Other predictors of death were the use of home public-integrated assistance, a higher comorbidity and a higher degree of disability; the loss of at least 1 Activity of Daily Living (ADL) represents the strongest risk factor of heat-related death. Conclusions. Our study identifies the major risk factors of heat-related death in the elderly population. With the creation of an up-to-date database, when a new heat wave will come, it will be possible to identify frail persons for preventive targeted strategies.
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