Abnormal ambient temperature change increases the risk of out-of-hospital cardiac arrest: A systematic review and meta-analysis of exposure types, risk, and vulnerable populations

Wu, Qiyue; Yang, Min; Wu, Keyu; Su, Hong; Huang, Cunrui; Xu, Zhiwei; Ho, Hung Chak; Zheng, Hao; Zhang, Wenyi; Tao, Junwen; Dang, Thi AnhThu; Hossain, Mohammad Zahid; Khan, Md Alfazal; Bogale, Daniel; Cheng, Jian

doi:10.1016/j.scitotenv.2022.160554

Cited by 4 publications

(1 citation statement)

References 63 publications

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“…Although there were studies using the same temperature indicator and out-of-hospital cardiac arrest (OHCA), we did not conduct a meta-analysis for OHCA because a separate meta-analysis has been published (Wu et al 2023 ). We made two assumptions in the meta-analysis:…”

Section: Methodsmentioning

confidence: 99%

Heat, heatwaves, and ambulance service use: a systematic review and meta-analysis of epidemiological evidence

Watzek

Phung

et al. 2023

Int J Biometeorol

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Ambulance data has been reported to be a sensitive indicator of health service use during hot days, but there is no comprehensive summary of the quantitative association between heat and ambulance dispatches. We conducted a systematic review and meta-analysis to retrieve and synthesise evidence published up to 31 August 2022 about the association between heat, prolonged heat (i.e. heatwaves), and the risk of ambulance dispatches. We initially identified 3628 peer-reviewed papers and included 48 papers which satisfied the inclusion criteria. The meta-analyses showed that, for each 5 °C increase in mean temperature, the risk of ambulance dispatches for all causes and for cardiovascular diseases increased by 7% (95% confidence interval (CI): 5%, 10%) and 2% (95% CI: 1%, 3%), respectively, but not for respiratory diseases. The risk of ambulance dispatches increased by 6% (95% CI: 4%, 7%), 7% (95% CI: 5%, 9%), and 18% (95% CI: 12%, 23%) under low-intensity, severe, and extreme heatwaves, respectively. We observed two potential sources of bias in the existing literature: (1) bias in temperature exposure measurement; and (2) bias in the ascertainment of ambulance dispatch causes. This review suggests that heat exposure is associated with an increased risk of ambulance dispatches, and there is a dose-response relationship between heatwave intensity and the risk of ambulance dispatches. For future studies assessing the heat-ambulance association, we recommend that (1) using data on spatially refined gridded temperature that is either very well interpolated or derived from satellite imaging may be an alternative to reduce exposure measurement bias; and (2) linking ambulance data with hospital admission data can be useful to improve health outcome classification.

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Section: Methodsmentioning

confidence: 99%

Heat, heatwaves, and ambulance service use: a systematic review and meta-analysis of epidemiological evidence

Watzek

Phung

et al. 2023

Int J Biometeorol

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Heavy Metal Scavenger Metallothionein Rescues Against Cold Stress-Evoked Myocardial Contractile Anomalies Through Regulation of Mitophagy

Pei,

Xiong,

Jiang

et al. 2024

Cardiovasc Toxicol

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Influence of heliogeophysical and climatic factors on the cardiovascular system: a literature review

Tolstov,

Kalyagin,

Tatarinova

2023

Cardiovasc Ther Prev

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Despite many years of studying the influence of climatic and heliogeophysical factors on the human body, many issues remain unresolved. On the one hand, this is due, to the diversity and complexity in the study of the natural factors themselves, and on the other hand, to the ambiguous influence of the latter on various functional body systems of the studied groups; these groups, in turn, are heterogeneous depending on the studied problem, and, in addition, different statistical methods are not always applied correctly. The review presents an analysis of modern data reflecting the influence of heliogeophysical and climatic factors on the human cardiovascular system. According to the literature, the most significant of the climatic and heliogeophysical factors are such environmental parameters as temperature, atmospheric pressure, and solar activity. Above factors was found to have a strong influence on cardiovascular system, which is expressed in the development stroke, myocardial infarction and sudden coronary death. Changes in external environment parameters increased the number of calls from the population to emergency services, and their impact on the urban and rural population differed. At the same time, the delay in a cardiovascular event with a change in ambient temperature ranged from 1 to 3 days. Solar anomalies and related indices caused an increase in the number of myocardial infarctions and strokes 1-2 days after the anomalies, while an increase in the number of hypertensive crises was noted 3 days before these anomalies. There is a J-shaped relationship between temperature changes and the risk of cardiovascular events, and a V-shaped relationship between atmospheric pressure and mortality from coronary events with a minimum of mortality at an atmospheric pressure of 760 mm Hg. It has also been shown that diabetes mellitus, male sex and older age were significant factors that increase the risk of cardiovascular events with changing weather conditions.

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Abnormal ambient temperature change increases the risk of out-of-hospital cardiac arrest: A systematic review and meta-analysis of exposure types, risk, and vulnerable populations

Cited by 4 publications

References 63 publications

Heat, heatwaves, and ambulance service use: a systematic review and meta-analysis of epidemiological evidence

Heat, heatwaves, and ambulance service use: a systematic review and meta-analysis of epidemiological evidence

Heavy Metal Scavenger Metallothionein Rescues Against Cold Stress-Evoked Myocardial Contractile Anomalies Through Regulation of Mitophagy

Influence of heliogeophysical and climatic factors on the cardiovascular system: a literature review

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