reference : Heat-related emergency hospitalizations for respiratory diseases in the Medicare population

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Bibliographic fields
reftype Journal Article
Abstract RATIONALE: The heat-related risk of hospitalization for respiratory diseases among the elderly has not been quantified in the United States on a national scale. With climate change predictions of more frequent and more intense heat waves, it is of paramount importance to quantify the health risks related to heat, especially for the most vulnerable. OBJECTIVES: To estimate the risk of hospitalization for respiratory diseases associated with outdoor heat in the U.S. elderly. METHODS: An observational study of approximately 12.5 million Medicare beneficiaries in 213 United States counties, January 1, 1999 to December 31, 2008. We estimate a national average relative risk of hospitalization for each 10 degrees F (5.6 degrees C) increase in daily outdoor temperature using Bayesian hierarchical models. MEASUREMENTS AND MAIN RESULTS: We obtained daily county-level rates of Medicare emergency respiratory hospitalizations (International Classification of Diseases, Ninth Revision, 464-466, 480-487, 490-492) in 213 U.S. counties from 1999 through 2008. Overall, each 10 degrees F increase in daily temperature was associated with a 4.3% increase in same-day emergency hospitalizations for respiratory diseases (95% posterior interval, 3.8, 4.8%). Counties' relative risks were significantly higher in counties with cooler average summer temperatures. CONCLUSIONS: We found strong evidence of an association between outdoor heat and respiratory hospitalizations in the largest population of elderly studied to date. Given projections of increasing temperatures from climate change and the increasing global prevalence of chronic pulmonary disease, the relationship between heat and respiratory morbidity is a growing concern.
Author Anderson, G. B.; Dominici, F.; Wang, Y.; McCormack, M. C.; Bell, M. L.; Peng, R. D.
DOI 10.1164/rccm.201211-1969OC
Date May 15
ISSN 1535-4970
Issue 10
Journal American Journal of Respiratory and Critical Care Medicine
Keywords Age Distribution; Aged; Aged, 80 and over; Bayes Theorem; Emergency Medical Services/ methods/statistics & numerical data; Female; Hospitalization/ statistics & numerical data; Hot Temperature/ adverse effects; Humans; Male; Medicare; Respiration Disorders/ epidemiology; Risk; United States/epidemiology
Language eng
Notes Anderson, G Brooke Dominici, Francesca Wang, Yun McCormack, Meredith C Bell, Michelle L Peng, Roger D K23ES016819/ES/NIEHS NIH HHS/United States P01ES018176/ES/NIEHS NIH HHS/United States R01ES012054/ES/NIEHS NIH HHS/United States R01ES015028/ES/NIEHS NIH HHS/United States R01ES019560/ES/NIEHS NIH HHS/United States R21ES020152/ES/NIEHS NIH HHS/United States R21ES021427/ES/NIEHS NIH HHS/United States Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. United States Am J Respir Crit Care Med. 2013 May 15;187(10):1098-103. doi: 10.1164/rccm.201211-1969OC.
Pages 1098-1103
Title Heat-related emergency hospitalizations for respiratory diseases in the Medicare population
Volume 187
Year 2013
Bibliographic identifiers
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_record_number 4045
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