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Article: Increased susceptibility to heat for respiratory hospitalizations in Hong Kong

TitleIncreased susceptibility to heat for respiratory hospitalizations in Hong Kong
Authors
KeywordsRespiratory disease
Extreme temperatures
Temporal change
Emergency department
Issue Date2019
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv
Citation
Science of the Total Environment, 2019, v. 666, p. 197-204 How to Cite?
AbstractBackground: Emerging studies have shown temperature-mortality association is changing over time, but little is known about the temporal changes of the temperature-morbidity association. Objectives: We aimed to evaluate the temporal variations in both temperature-respiratory hospitalizations associations and temperature-related attributable risks in Hong Kong. Methods: We collected 17-year time-series data on daily ambient temperature and emergency hospital admissions for respiratory diseases between 2000 and 2016 in Hong Kong. Quasi-Poisson regression with a time-varying distributed lag nonlinear model was used to estimate the year-specific association between temperature and respiratory hospitalizations [total respiratory, pneumonia, and chronic obstructive pulmonary disease (COPD)] and the year-specific attributable fraction (AF) for heat and cold (defined as above/below the optimum temperature, respectively). Results: Heat-related risks and AFs increased continuously for total respiratory, pneumonia and COPD hospitalizations during the past 17 years, respectively. Cold-hospitalization associations and cold-related AFs showed heterogeneous patterns, showing a decreasing trend for pneumonia but a general increasing trend for COPD for both the associations and AFs. The total temperature-related AFs remained stable for total respiratory (p for trend = 0.136) and pneumonia (p for trend = 0.406), but showed an increasing trend for COPD (p for trend < 0.001) from 10% (95% empirical CI: 2%, 17%) in 2000 to 17% (95% empirical CI: 11%, 22%) in 2016. Conclusions: Our findings indicate an increased susceptibility to heat but a decreased susceptibility to cold for respiratory hospitalizations during the past 17 years. The overall temperature-related hospitalization burden for respiratory diseases was generally stable in Hong Kong.
Persistent Identifierhttp://hdl.handle.net/10722/271171
ISSN
2017 Impact Factor: 4.61
2015 SCImago Journal Rankings: 1.702

 

DC FieldValueLanguage
dc.contributor.authorSUN, S-
dc.contributor.authorCAO, W-
dc.contributor.authorMASON, TG-
dc.contributor.authorRAN, J-
dc.contributor.authorQiu, H-
dc.contributor.authorLI, J-
dc.contributor.authorYANG, Y-
dc.contributor.authorLIN, H-
dc.contributor.authorTian, L-
dc.date.accessioned2019-06-24T01:04:42Z-
dc.date.available2019-06-24T01:04:42Z-
dc.date.issued2019-
dc.identifier.citationScience of the Total Environment, 2019, v. 666, p. 197-204-
dc.identifier.issn0048-9697-
dc.identifier.urihttp://hdl.handle.net/10722/271171-
dc.description.abstractBackground: Emerging studies have shown temperature-mortality association is changing over time, but little is known about the temporal changes of the temperature-morbidity association. Objectives: We aimed to evaluate the temporal variations in both temperature-respiratory hospitalizations associations and temperature-related attributable risks in Hong Kong. Methods: We collected 17-year time-series data on daily ambient temperature and emergency hospital admissions for respiratory diseases between 2000 and 2016 in Hong Kong. Quasi-Poisson regression with a time-varying distributed lag nonlinear model was used to estimate the year-specific association between temperature and respiratory hospitalizations [total respiratory, pneumonia, and chronic obstructive pulmonary disease (COPD)] and the year-specific attributable fraction (AF) for heat and cold (defined as above/below the optimum temperature, respectively). Results: Heat-related risks and AFs increased continuously for total respiratory, pneumonia and COPD hospitalizations during the past 17 years, respectively. Cold-hospitalization associations and cold-related AFs showed heterogeneous patterns, showing a decreasing trend for pneumonia but a general increasing trend for COPD for both the associations and AFs. The total temperature-related AFs remained stable for total respiratory (p for trend = 0.136) and pneumonia (p for trend = 0.406), but showed an increasing trend for COPD (p for trend < 0.001) from 10% (95% empirical CI: 2%, 17%) in 2000 to 17% (95% empirical CI: 11%, 22%) in 2016. Conclusions: Our findings indicate an increased susceptibility to heat but a decreased susceptibility to cold for respiratory hospitalizations during the past 17 years. The overall temperature-related hospitalization burden for respiratory diseases was generally stable in Hong Kong.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv-
dc.relation.ispartofScience of the Total Environment-
dc.subjectRespiratory disease-
dc.subjectExtreme temperatures-
dc.subjectTemporal change-
dc.subjectEmergency department-
dc.titleIncreased susceptibility to heat for respiratory hospitalizations in Hong Kong-
dc.typeArticle-
dc.identifier.emailQiu, H: qiuhong@HKUCC-COM.hku.hk-
dc.identifier.emailTian, L: linweit@hku.hk-
dc.identifier.authorityTian, L=rp01991-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.scitotenv.2019.02.229-
dc.identifier.pmid30798230-
dc.identifier.scopuseid_2-s2.0-85061778335-
dc.identifier.hkuros298173-
dc.identifier.volume666-
dc.identifier.spage197-
dc.identifier.epage204-
dc.publisher.placeNetherlands-

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