Short-term exposure to extreme temperature and risk of hospital admission due to cardiovascular diseases

Mohammadi, Danial; Zadeh, Mohammad Zare; Sakhvidi, Mohammad Javad Zare

doi:10.1080/09603123.2019.1663496

Cited by 14 publications

(7 citation statements)

References 32 publications

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“…The cumulative lag days were defined as the mean of the current day and several prior days (1-7 days, lag01 to lag07). We also explored the effect of daily temperatures on total and cause-specific CVD hospitalizations by choosing 7 days as the maximum lag periods [16].…”

Section: Statistical Analysesmentioning

confidence: 99%

“…However, particulate matter pollution are not the only environmental risk factors associated with CVD morbidity [13]. Several other studies have proven that outdoor temperature serves as another major ambient risk factor affecting cardiovascular events [14][15][16][17]. For instance, studies conducted in Shanghai, Hefei, China and Sabzevar city, Iran identified that both low and high temperatures are associated with an increased CVD risk [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

“…Several other studies have proven that outdoor temperature serves as another major ambient risk factor affecting cardiovascular events [14][15][16][17]. For instance, studies conducted in Shanghai, Hefei, China and Sabzevar city, Iran identified that both low and high temperatures are associated with an increased CVD risk [14][15][16]. Other studies conducted in Beijing, China, reported an increased CVD risk during extremely high temperatures [17].…”

Section: Introductionmentioning

confidence: 99%

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Acute effects of fine particulate matter (PM2.5) on hospital admissions for cardiovascular diseases in Lanzhou, China: a time-series study

Yang

Chu

et al. 2022

Environ Sci Eur

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Background Up until now, evidence pertaining to the short-term effects of fine particulate matter (PM2.5) in cardiovascular diseases (CVD) is scarce in China. In this study, we aim to estimate the association between short-term exposure to PM2.5 and hospitalizations for total and cause-specific CVD in Lanzhou of China. Methods Daily counts of cardiovascular admissions were obtained from three large general hospitals in Lanzhou, China between 2014 and 2019. Air quality and meteorological data were obtained from the monitoring stations nearest to the admitting hospitals. We utilized Quasi-Poisson time-series regressions with distributed lag nonlinear models (DLNM) to assess the association between PM2.5 and CVD admitted in the three general hospitals. A stratified analysis was also conducted for age, sex, and disease subcategories. Results PM2.5 was positively correlated with daily admissions for total or other cause-specific CVD under different lag patterns. For every 10 μg/m3 increase in the PM2.5 concentration, the relative risk of daily admissions for total CVD, ischemic heart disease (IHD), heart rhythm disturbances (HRD), heart failure (HF), and cerebrovascular disease (CD) was: 1.011 [95% confidence interval (CI), 1.001–1.020] in lag01; 1.020 (95% CI 1.004–1.036) in lag07; 1.013 (95% CI 1.001–1.026) in lag7; 1.018 (95% CI 1.005–1.038) in lag1; and 1.007 (95% CI 1.001–1.018) in lag1. Both low and high temperatures increased the risk of cardiovascular hospitalization. No differences were found after stratification by gender and age. We found an almost linear relationship between the exposure to PM2.5 and cause-specific CVD admissions with no threshold effect. Males as well as the elderly, aged ≥ 65 years, were more vulnerable to PM 2.5 exposure. Conclusions Our results have demonstrated that PM2.5 has adverse impacts on cardiovascular hospitalizations in Lanzhou, especially on IHD.

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Section: Statistical Analysesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Acute effects of fine particulate matter (PM2.5) on hospital admissions for cardiovascular diseases in Lanzhou, China: a time-series study

Yang

Chu

et al. 2022

Environ Sci Eur

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“…Performing indoor and outdoor work in cold environments may result in various adverse effects on human health -cardiovascular, respiratory, musculoskeletal or dermatological injuries and/or illness may be worsened by cold exposure [1,2,3,4,5]. These health conditions may decrease physical performance and productivity, and increase the occurrence of accidents [1].…”

Section: Introductionmentioning

confidence: 99%

Vitamin D and upper respiratory tract infections in young active males exposed to cold environments

Orysiak¹,

Fitzgerald²,

Malczewska-Lenczowska³

et al. 2021

Ann Agric Environ Med.

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“…As global warming continues, extreme heat events are increasing globally, which is closely associated with human health and activity (Obradovich and Fowler 2017;Varghese et al 2019;Woodward et al 2014;Yang et al 2019). Under these circumstances, studies have begun to give attention to the influence of extreme temperature on emergency room visits and hospital admissions for various kinds of patients, including cardiovascular and respiratory diseases (Guo et al 2018;Ma et al 2019;Mohammadi et al 2019;Watson et al 2019). However, cataract patient has a lack of consideration.…”

Section: Introductionmentioning

confidence: 99%

Association between extreme heat and hospital admissions for cataract patients in Hefei, China

Xie

Zhu

Fan

et al. 2020

Environ Sci Pollut Res

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Cataract is the first cause of blindness and the major cause of visual impairment worldwide. Under conditions of global warming, researchers have begun to give attention to the influence of increasing temperature on cataract patients. Our paper aimed to investigate the association between extreme heat and hospital admissions for cataract in Hefei, China. Based on data from the New Rural Cooperative Medical System and National Meteorological Information Center, we used a generalized additive model and a distributed lag nonlinear model to examine the relationship between extreme heat and hospitalizations for cataract, with consideration of cumulative and lagged effects. When current mean temperature was above 28 °C, each 1 °C rise was associated with a 4% decrease in the number of cataract admissions (RR = 0.96, 95% CI = 0.94–0.98). The cumulative relative risk over 11 days of lag was the lowest, which indicated that every 1 °C increase in mean temperature above 28 °C was associated with a 19% decrease in the number of hospital admissions for cataract (RR = 0.81, 95% CI = 0.75–0.88). In subgroup analyses, the negative association between extreme heat and hospital admissions for cataract was stronger among patients who were not admitted to provincial-level hospitals. In conclusion, this paper found that extreme heat was negatively associated with cataract hospitalizations in Hefei, providing useful information for hospitals and policymakers.

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Short-term exposure to extreme temperature and risk of hospital admission due to cardiovascular diseases

Cited by 14 publications

References 32 publications

Acute effects of fine particulate matter (PM2.5) on hospital admissions for cardiovascular diseases in Lanzhou, China: a time-series study

Acute effects of fine particulate matter (PM2.5) on hospital admissions for cardiovascular diseases in Lanzhou, China: a time-series study

Vitamin D and upper respiratory tract infections in young active males exposed to cold environments

Association between extreme heat and hospital admissions for cataract patients in Hefei, China

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