Effects of climatic temperature stress on cardiovascular diseases

Cheng, Xiaoshu; Su, Hai

doi:10.1016/j.ejim.2010.03.001

Cited by 131 publications

(100 citation statements)

References 67 publications

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“…These responses may overload the heart and cause hemoconcentration, which could lead to coronary and cerebral thrombosis. 17,42 Understanding the lag time between temperature exposure and years of life lost is important for health care providers to develop response plans for extreme temperature events. 21,24 This study showed that the greatest effect of cold on years of life lost was not acute, but occurred 2 days later.…”

Section: Discussionmentioning

confidence: 99%

“…15,16 Changes in cholesterol levels and the response of autonomic nervous system have been reported to increase CVD events during temperature extremes, which is a particular concern among older adults with limited cardiovascular reserve. [17][18][19] Previous studies have investigated the relative mortality risk of temperature on CVD. [20][21][22] However, this risk is heavily influenced by deaths among elderly persons.…”

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confidence: 99%

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Effects of Extreme Temperatures on Years of Life Lost for Cardiovascular Deaths: A Time Series Study in Brisbane, Australia

Huang

Barnett²,

Wang³

et al. 2012

Circ: Cardiovascular Quality and Outcomes

110

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Background— Extreme temperatures are associated with cardiovascular disease (CVD) deaths. Previous studies have investigated the relative CVD mortality risk of temperature, but this risk is heavily influenced by deaths in frail elderly people. To better estimate the burden of extreme temperatures, we estimated their effects on years of life lost due to CVD. Methods and Results— The data were daily observations on weather and CVD mortality for Brisbane, Australia, between 1996 and 2004. We estimated the association between daily mean temperature and years of life lost due to CVD, after adjusting for trend, season, day of the week, and humidity. To examine the nonlinear and delayed effects of temperature, a distributed lag nonlinear model was used. The model’s residuals were examined to investigate whether there were any added effects due to cold spells and heat waves. The exposure–response curve between temperature and years of life lost was U-shaped, with the lowest years of life lost at 24°C. The curve had a sharper rise at extremes of heat than of cold. The effect of cold peaked 2 days after exposure, whereas the greatest effect of heat occurred on the day of exposure. There were significantly added effects of heat waves on years of life lost. Conclusions— Increased years of life lost due to CVD are associated with both cold and hot temperatures. Research on specific interventions is needed to reduce temperature-related years of life lost from CVD deaths.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

Effects of Extreme Temperatures on Years of Life Lost for Cardiovascular Deaths: A Time Series Study in Brisbane, Australia

Huang

Barnett²,

Wang³

et al. 2012

Circ: Cardiovascular Quality and Outcomes

110

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“…Compared to young adults, elderly people are more vulnerable to cold due to their reduced cutaneous thermal sensitivity, diminished ability to maintain core temperature and weakened cold-induced metabolic thermogenesis (Smolander 2002). Age-related increases in central arterial stiffness, coronary atherosclerosis and hypertension together with cold-induced haemoconcentration (elevated plasma fibrinogen and plasma cholesterol levels, high red blood cell count) may result in cardiovascular complications leading to death (Hess et al 2009, Cheng & Su 2010. Attenu-ated immunity resulting from winter infectious diseases may also play a role in cold-induced cardiovascular stress and, thus, the impact of cold exposure on cardiovascular health may be indirect.…”

Section: Possible Causes and Mechanisms Of Different Cold Spell Effecmentioning

confidence: 99%

Comparison of hot and cold spell effects on cardiovascular mortality in individual population groups in the Czech Republic

Kyselý¹,

Plavcová²,

Davídkovová³

et al. 2011

Clim. Res.

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We compared the effects of hot and cold spells on cardiovascular mortality in the Czech Republic over 1986-2006 and examined differences between population groups. We used analogous definitions for hot and cold spells that are based on quantiles of daily average temperature anomalies and do not incorporate any location-specific threshold. Epidemics of influenza/ acute respiratory infections were identified, and corresponding periods were excluded from the analysis. Both hot and cold spells are associated with significant excess cardiovascular mortality. The effects of hot spells are more direct (unlagged) and typically concentrated in a few days of a hot spell, while cold spells are associated with indirect (lagged) mortality impacts persisting after a cold spell ends. Although the mortality peak is less pronounced for cold spells, the cumulative magnitude of excess mortality is larger for cold than hot spells. Gender differences consist mainly of much larger excess mortality of females in hot spells and more lagged effects in females than males associated with cold spells. Effects of hot spells have a similar temporal pattern in all age groups but much larger magnitude in the elderly. For cold spells, by contrast, relative excess mortality is largest in the middle-aged population (25-59 yr). The results suggest that mechanisms playing the dominant role in inducing cold-related mortality differ between this age group (in which the effects are unlagged) and older age groups (significant excess mortality at lags of around 7 d and longer). For both high and low temperature extremes, the formulation of preventive measures (implemented by means of warning systems and biometeorological forecast alerts) should take into account the varied effects in individual population groups.

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“…The harmful effects of climate changes could increase the burden of diseases affecting public health (13)(14)(15)(16). The World Health Organization (WHO) has estimated more than 150,000 deaths per year due to the impact of these changes in the last 3 decades (17).…”

Section: Discussionmentioning

confidence: 99%

A two-year survey on the effect of temperature changes on the incidence of myocardial infarction in patients referred to the Ali-ibn Abi Talib Hospital, Rafsanjan, Iran, in 2013-2014

Ali¹,

Hasani²,

Tavakoli³

et al. 2014

JOHE

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Received: August 2015, Accepted: December 2015 Background: The role of temperature changes, as an environmental risk factor, in the human health status has been investigated in recent studies. Accordingly, the present two-year study was conducted to evaluate the incidence of myocardial infarction (MI) in warm and cold seasons in Ali-ibn Abi Talib Hospital, Rafsanjan, Iran. Materials and Methods:In this descriptive and cross-sectional study, 264 patients hospitalized with MI during a two-year period (2013-2014) were included. Data on the participants were obtained from their electronic medical files and on the weather from the official Rafsanjan Weather Bureau station. The collected data was then analyzed using statistical tests including chi-squared test, Fisher's exact test, and logistic regression model in SPSS software. Results: Data showed that 41.80% of MI occurred in hot weather, 14% in cold, and the remaining 37.12% in mild weather. According to the type of MI, 49.47% of non-ST elevation myocardial infarction (NSTEMI) and 44.44% of ST-segment elevation myocardial infarction (STEMI) occurred in very hot weather while 13.54% of NSTEMI and 18% of STEMI occurred in very cold weather. This difference was not significant. Conclusions: Based on our data, MI had occurred mostly in hot weather and more than half of the cases were NSTEMI.

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Effects of climatic temperature stress on cardiovascular diseases

Cited by 131 publications

References 67 publications

Effects of Extreme Temperatures on Years of Life Lost for Cardiovascular Deaths: A Time Series Study in Brisbane, Australia

Effects of Extreme Temperatures on Years of Life Lost for Cardiovascular Deaths: A Time Series Study in Brisbane, Australia

Comparison of hot and cold spell effects on cardiovascular mortality in individual population groups in the Czech Republic

A two-year survey on the effect of temperature changes on the incidence of myocardial infarction in patients referred to the Ali-ibn Abi Talib Hospital, Rafsanjan, Iran, in 2013-2014

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Effects of climatic temperature stress on cardiovascular diseases

Cited by 131 publications

References 67 publications

Effects of Extreme Temperatures on Years of Life Lost for Cardiovascular Deaths: A Time Series Study in Brisbane, Australia

Effects of Extreme Temperatures on Years of Life Lost for Cardiovascular Deaths: A Time Series Study in Brisbane, Australia

Comparison of hot and cold spell effects on ­cardiovascular mortality in individual population groups in the Czech Republic

A two-year survey on the effect of temperature changes on the incidence of myocardial infarction in patients referred to the Ali-ibn Abi Talib Hospital, Rafsanjan, Iran, in 2013-2014

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Comparison of hot and cold spell effects on cardiovascular mortality in individual population groups in the Czech Republic