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Qian K, Sun Q, Li Y, Chen J. Association of ambient temperature on acute ischemic stroke in Yancheng, China. BMC Public Health 2024; 24:1879. [PMID: 39010033 PMCID: PMC11247823 DOI: 10.1186/s12889-024-19423-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Accepted: 07/09/2024] [Indexed: 07/17/2024] Open
Abstract
BACKGROUND Acute ischemic stroke (AIS) is a major global public health issue. There is limited research on the relationship between ambient temperature and AIS hospital admissions, and the results are controversial. Our objective is to assess the short-term impact of ambient temperature on the risk of AIS hospital admissions in Yancheng, China. METHODS We collected data on daily AIS hospital admissions, meteorological factors, and air quality in Yancheng from 2014 to 2019. We used Poisson regression to fit generalized linear models and distributed lag non-linear models to explore the association between ambient temperature and AIS hospital admissions. The effects of these associations were evaluated by stratified analysis by sex and age. RESULTS From 2014 to 2019, we identified a total of 13,391 AIS hospital admissions. We observed that the influence of extreme cold and heat on admissions for AIS manifests immediately on the day of exposure and continues for a duration of 3-5 days. Compared to the optimal temperature (24.4 °C), the cumulative relative risk under extreme cold temperature (-1.3 °C) conditions with a lag of 0-5 days was 1.88 (95%CI: 1.28, 2.78), and under extreme heat temperature (30.5 °C) conditions with a lag of 0-5 days was 1.48 (95%CI: 1.26, 1.73). CONCLUSIONS There is a non-linear association between ambient temperature and AIS hospital admission risk in Yancheng, China. Women and older patients are more vulnerable to non-optimal temperatures. Our findings may reveal the potential impact of climate change on the risk of AIS hospital admissions.
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Affiliation(s)
- Kai Qian
- Department of Neurology, Dongtai People's Hospital, Yancheng, 224200, Jiangsu, China
| | - Qian Sun
- Department of Respiratory Medicine, The First People's Hospital of Yancheng, Affiliated Hospital of Nanjing University Medical School, Yancheng, 224006, Jiangsu Province, China
| | - Yanlong Li
- Department of Neurology, Dongtai People's Hospital, Yancheng, 224200, Jiangsu, China
| | - Jin Chen
- Department of Neurology, The First People's Hospital of Yancheng, Affiliated Hospital of Nanjing University Medical School, No. 166 Yulong West Road, Yancheng, 224006, Jiangsu Province, China.
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Zhang N, Cao P, Zhao L, Wang L, Shao W, Li R. Effect of temperature fluctuations in cold seasons on acute myocardial infarction hospitalisations in northeast China: a retrospective observational cohort study. BMJ Open 2023; 13:e073528. [PMID: 38030250 PMCID: PMC10689419 DOI: 10.1136/bmjopen-2023-073528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 11/07/2023] [Indexed: 12/01/2023] Open
Abstract
OBJECTIVE This study aimed to determine the potential influence of ambient temperature on the incidence of acute myocardial infarction (AMI). DESIGN A retrospective observational cohort study. SETTING Changchun, a northeastern city in China, has a temperate continental humid climate. PARTICIPANTS 1933 AMI patients admitted to the outpatient department of the First Hospital of Jilin University were included in the study from 1 January 2017 to 31 December 2019. OUTCOME MEASURE We explored the effect of daily minimum and maximum temperatures, as well as temperature changes on two adjacent days, on the incidence of daily AMI from 1 to 5 days later in Changchun. RESULTS We found that the average daily number of AMI cases was higher from October to April in cold season compared with the period between May and September in warm season. When the daily maximum temperature is ≤-6°C on the -2nd day, the incidence of AMI>3 persons more than doubled (from 8.51% and 10.88% to 20.23%) in the next 2 days (p=0.027); and more than 65% of the days had a maximum temperature fluctuation on |(-2nd day) - (-3rd day)| ≥2°C in these days, the OR of the daily incidence of AMI>3 persons is 3.107 (p=0.018); and in these days with enhanced temperature fluctuations, the proportion of AMI patients with hypertension had increased significantly from 20.83% to 45.39% (p=0.023). CONCLUSION Ambient temperature as environmental factor has a seasonal effect on the incidence of AMI in temperate continental humid climate regions, with a 2-3 days lag. Furthermore, the key factor contributing to the increase in the daily incidence of AMI during the cold season is temperature fluctuations, and maintaining a constant temperature may aid in preventing the occurrence of AMI. TRIAL REGISTRATION NUMBER ChiCTR2300068294.
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Affiliation(s)
- Ningning Zhang
- School of Nursing, Jilin University, Changchun, Jilin, China
- The Cardiovascular Center, First Hospital of Jilin University, Changchun, Jilin, China
| | - Pengyu Cao
- The Cardiovascular Center, First Hospital of Jilin University, Changchun, Jilin, China
| | - Lijing Zhao
- School of Nursing, Jilin University, Changchun, Jilin, China
| | - Lin Wang
- The Cardiovascular Center, First Hospital of Jilin University, Changchun, Jilin, China
| | - Wangshu Shao
- The Cardiovascular Center, First Hospital of Jilin University, Changchun, Jilin, China
| | - Rongyu Li
- The Cardiovascular Center, First Hospital of Jilin University, Changchun, Jilin, China
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Elrobaa IH, Elmaasarawi A. Can Hot Weather Cause Non-ST Elevation Myocardial Infarction in Young Athletic Male Runners? Cureus 2023; 15:e42936. [PMID: 37565175 PMCID: PMC10411488 DOI: 10.7759/cureus.42936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/03/2023] [Indexed: 08/12/2023] Open
Abstract
Athletes are a group of people who have good activity, regular muscular exercise, an almost standard lifestyle, and should be in good condition with low rates of medical, particularly cardiovascular, complications. However, cardiac attacks, sudden cardiac deaths, and fatal arrhythmogenic syndromes have been reported in athletes with low incidences. We can determine external and internal factors that lead to cardiac attacks in athletes. The former include abnormal cardiac structures and genetics, while the latter include environmental conditions like extreme temperatures, smoking, and drug abuse. Here, we report a case of a cardiac attack with non-ST elevation myocardial infarction (NSTEMI) in a young athlete who was a non-smoker, did not have any abnormal heart structures or a history of drug abuse, and did not have a family history of cardiac disease or arrest. High humidity levels and temperatures were the main causes of the cardiac attack, which occurred during a sports exercise at high temperatures with high humidity levels. We hope to prevent the recurrence of such a case. We need to understand when and where sports exercises can be performed without the risk of medical complications.
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Affiliation(s)
- Islam H Elrobaa
- College of Medicine, Qatar University, Doha, QAT
- Emergency Medicine, Hamad Medical Corporation, Doha, QAT
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Jia H, Xu J, Ning L, Feng T, Cao P, Gao S, Shang P, Yu X. Ambient air pollution, temperature and hospital admissions due to respiratory diseases in a cold, industrial city. J Glob Health 2022; 12:04085. [PMID: 36243957 PMCID: PMC9569423 DOI: 10.7189/jogh.12.04085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background The influences of air pollution exposure and temperature on respiratory diseases have become major global health concerns. This study investigated the relationship between ambient air pollutant concentrations and temperature in cold industrial cities that have the risk of hospitalization for respiratory diseases. Methods A time-series study was conducted in Changchun, China, from 2015 to 2019 to analyse the number of daily admissions for respiratory diseases, air pollutant concentrations, and meteorological factors. Time-series decomposition was applied to analyse the trend and characteristics of the number of admissions. Generalized additive models and distributed lag nonlinear models were constructed to explore the effects of air pollutant concentrations and temperature on the number of admissions. Results The number of daily admissions showed an increasing trend, and the seasonal fluctuation was obvious, with more daily admissions in winter and spring than in summer and autumn. There were positive and gradually decreasing lag effects of PM10, PM2.5, NO2, and CO concentrations on the number of admissions, whereas O3 showed a J-shaped trend. The results showed that within the 7-day lag period, 0.5°C was the temperature associated with the lowest relative risk of admission due to respiratory disease, and extremely low and high temperatures (<-18°C, >27°C, respectively) increased the risk of hospitalization for respiratory diseases by 8.3% and 12.1%, respectively. Conclusions From 2015 to 2019, respiratory diseases in Changchun showed an increasing trend with obvious seasonality. The increased concentrations of SO2, NO2, CO, PM2.5, O3 and PM10 lead to an increased risk of hospitalization for respiratory diseases, with a significant lag effect. Both extreme heat and cold could lead to increases in the risk of admission due to respiratory disease.
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Affiliation(s)
- Huanhuan Jia
- School of Public Health, Jilin University, Changchun City, Jilin Province, China
| | - Jiaying Xu
- School of Public Health, Jilin University, Changchun City, Jilin Province, China
| | - Liangwen Ning
- School of Public Administration, Jilin University, Changchun City, Jilin Province, China
| | - Tianyu Feng
- School of Public Health, Jilin University, Changchun City, Jilin Province, China
| | - Peng Cao
- School of Public Health, Jilin University, Changchun City, Jilin Province, China
| | - Shang Gao
- School of Public Health, Jilin University, Changchun City, Jilin Province, China
| | - Panpan Shang
- School of Public Health, Jilin University, Changchun City, Jilin Province, China
| | - Xihe Yu
- School of Public Health, Jilin University, Changchun City, Jilin Province, China
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Rus AA, Mornoş C. The Impact of Meteorological Factors and Air Pollutants on Acute Coronary Syndrome. Curr Cardiol Rep 2022; 24:1337-1349. [PMID: 35932446 PMCID: PMC9361940 DOI: 10.1007/s11886-022-01759-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/26/2022] [Indexed: 12/04/2022]
Abstract
Purpose of Review Several studies have found that air pollution and climate change can have an impact on acute coronary syndromes (ACS), the leading cause of death worldwide. We synthesized the latest information about the impact of air pollution and climate change on ACS, the latest data about the pathophysiological mechanisms of meteorological factors and atmospheric pollutants on atherosclerotic disease, and an overall image of air pollution and coronary heart disease in the context of the COVID-19 pandemic. Recent Findings The variation of meteorological factors in different seasons increased the risk of ACS. Both the increase and the decrease in apparent temperature were found to be risk factors for ACS admissions. It was also demonstrated that exposure to high concentrations of air pollutants, especially particulate matter, increased cardiovascular morbidity and mortality. Summary Climate change as well as increased emissions of air pollutants have a major impact on ACS. The industrialization era and the growing population cause a constant increase in air pollution worldwide. Thus, the number of ACS favored by air pollution and the variations in meteorological factors is expected to increase dramatically in the next few years.
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Affiliation(s)
- Andreea-Alexandra Rus
- PhD School Department, Research Centre of the Institute for Cardiovascular Diseases, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Sq. No. 2, 300041, Timisoara, Romania.
| | - Cristian Mornoş
- Department VI Cardiology, 2nd Discipline of Cardiology, Research Centre of the Institute for Cardiovascular Diseases, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Sq. No. 2, 300041, Timisoara, Romania
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Li N, Ma J, Liu F, Zhang Y, Ma P, Jin Y, Zheng ZJ. Associations of apparent temperature with acute cardiac events and subtypes of acute coronary syndromes in Beijing, China. Sci Rep 2021; 11:15229. [PMID: 34315978 PMCID: PMC8316341 DOI: 10.1038/s41598-021-94738-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 07/07/2021] [Indexed: 11/09/2022] Open
Abstract
Limited evidence is available on apparent temperature (AT) and hospital admissions for acute cardiac events. We examined the associations of AT with admissions for acute cardiac events and acute coronary syndrome (ACS), and explored the effect difference between ST-elevation myocardial infarction (STEMI) and non-ST-elevation myocardial infarction ACS (NSTE-ACS). Poisson regression with distributed lag non-linear model was applied to examine the temperature-lag-admission associations. Stratified analyses were performed by gender and age-groups for acute cardiac events. A total of 11,657 acute cardiac events admissions were collected from hospital-based chest pain centers in Beijing, during 2017-2019. The single day effect of low AT (- 11 °C, 2.5th percentile) appeared on the 2nd day and persisted until the 11th day, with estimated relative risk (RR) ranging from 1.44 (95% CI: 1.159, 1.790) to 1.084 (95% CI: 1.022, 1.150) for acute cardiac events and from 1.034 (95% CI: 1.010, 1.059) to 1.006 (95% CI: 1.000, 1.011) for ACS. The single day effect of high AT (34 °C, 97.5th percentile) was only observed on the current day. The cold effect on acute cardiac events was more pronounced among female and older patients. The cumulative effect of high AT on STEMI admissions and low AT on NSTE-ACS reached a peak RR peak of 2.545 (95% CI: 1.016, 6.375) and 3.71 (95% CI: 1.315, 10.469) on lag 0-6 days, respectively. Both high and low ATs were associated with increased risk of acute cardiac events and ACS admissions. STEMI admissions may be more sensitive to high AT while NSTE-ACS to low AT.
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Affiliation(s)
- Na Li
- Department of Global Health, Peking University School of Public Health, 38 Xue Yuan Road, Haidian District, Beijing, 100191, China.,Institute for Global Health and Development, Peking University, Beijing, China
| | - Junxiong Ma
- Department of Global Health, Peking University School of Public Health, 38 Xue Yuan Road, Haidian District, Beijing, 100191, China.,Institute for Global Health and Development, Peking University, Beijing, China
| | - Fangjing Liu
- Department of Global Health, Peking University School of Public Health, 38 Xue Yuan Road, Haidian District, Beijing, 100191, China.,Institute for Global Health and Development, Peking University, Beijing, China
| | - Yan Zhang
- Institute of Cardiovascular Disease, Peking University First Hospital, Beijing, China
| | - Pengkun Ma
- Institute of Urban Meteorology, Chinese Meteorological Administration, Beijing, China
| | - Yinzi Jin
- Department of Global Health, Peking University School of Public Health, 38 Xue Yuan Road, Haidian District, Beijing, 100191, China. .,Institute for Global Health and Development, Peking University, Beijing, China.
| | - Zhi-Jie Zheng
- Department of Global Health, Peking University School of Public Health, 38 Xue Yuan Road, Haidian District, Beijing, 100191, China.,Institute for Global Health and Development, Peking University, Beijing, China
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Wang B, Chai G, Sha Y, Zha Q, Su Y, Gao Y. Impact of ambient temperature on cardiovascular disease hospital admissions in farmers in China's Western suburbs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 761:143254. [PMID: 33190905 DOI: 10.1016/j.scitotenv.2020.143254] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 10/08/2020] [Accepted: 10/25/2020] [Indexed: 06/11/2023]
Abstract
Cardiovascular disease (CVD) has been a major threat to global public health. The association between temperature and CVD has been widely studied and reported in cities in developed countries. However, information from developing countries, especially from suburbs and countryside, is quite limited. In this study, the daily time series data on CVD hospital admissions in farmers in the suburbs of Tianshui, China, and the meteorological data from 2012 to 2015, were collected; besides, a quasi-Poisson regression with a distributed-lag non-linear model (DLNM) was used to explore the impact of local daily mean temperature on CVD hospital admissions in suburban farmers. This study found that, first, from 2011 to 2015, a total of 30,611 person-times of CVD hospital admissions in farmers were recorded; second, there was a "J-shaped" relation between temperature and CVD hospital admissions, and both low and high temperature increased the risk of hospital admission, but the impact of high temperature was greater; third, compared with the minimum hospitalization temperature (MHT) at 0.3 °C, during 0 to 21 lag days, the cumulative relative risk (RR) for extreme cold and heat (1st and 99th percentile of temperature, respectively) was 1.117 (95% CI 0.941-1.325) and 1.740 (95% CI 1.302-2.327), respectively, and that of moderate cold and heat (5st and 95th percentile of temperature, respectively) was 1.029 (95% CI 0.958-1.106) and 1.572 (95% CI 1.210-2.042), respectively; fourth, compared with male and ≥ 65 years groups, the risk for low temperature was greater for female and < 65 years groups, the risk for high temperature was just the opposite; last, about 21.04% of CVD hospital admissions burden were attributed to the ambient temperature, and most of (about 19.26%) were caused by moderate heat. In Tianshui, alongside with extreme temperature, the moderate temperature might be an important risk factor for CVD hospital admissions in suburban farmers.
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Affiliation(s)
- Bin Wang
- School of Management, Lanzhou University, Lanzhou 730000, PR China; Research Center for Emergency Management, Lanzhou University, Lanzhou 730000, PR China; Hospital Management Research Center, Lanzhou University, Lanzhou 730000, PR China
| | - Guorong Chai
- School of Management, Lanzhou University, Lanzhou 730000, PR China; Research Center for Emergency Management, Lanzhou University, Lanzhou 730000, PR China; Hospital Management Research Center, Lanzhou University, Lanzhou 730000, PR China.
| | - Yongzhong Sha
- School of Management, Lanzhou University, Lanzhou 730000, PR China; Research Center for Emergency Management, Lanzhou University, Lanzhou 730000, PR China; Hospital Management Research Center, Lanzhou University, Lanzhou 730000, PR China
| | - Qunwu Zha
- School of Management, Lanzhou University, Lanzhou 730000, PR China; Research Center for Emergency Management, Lanzhou University, Lanzhou 730000, PR China; Hospital Management Research Center, Lanzhou University, Lanzhou 730000, PR China
| | - Yana Su
- School of Management, Lanzhou University, Lanzhou 730000, PR China; College of Economics and Management, Lanzhou Institute of Technology, Lanzhou 730050, PR China
| | - Yanyan Gao
- School of Economics and Management, Shanxi Normal University, Linfen 041000, PR China
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Meenakshisundaram R, Senthilkumaran S, Thirumalaikolundusubramanian P, Joy M, Jena NN, Vadivelu R, Ayyasamy S, Chandrasekaran VP. Status of Acute Myocardial Infarction in Southern India During COVID-19 Lockdown: A Multicentric Study. Mayo Clin Proc Innov Qual Outcomes 2020; 4:506-510. [PMID: 33043274 PMCID: PMC7538110 DOI: 10.1016/j.mayocpiqo.2020.06.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
There has been a reduction in the reported cases of acute myocardial infarction (MI) across the globe during the outbreak of coronavirus disease 2019 (COVID-19) (severe acute respiratory distress syndrome coronavirus 2). An attempt was made to find out the number of acute MI cases treated during the COVID-19 lockdown period (April 2020) and highlight the possible reasons for the changes in the occurrence. A multicentric retrospective observational study was performed to collect the selected data from 12 private hospitals distributed in 4 cities-Madurai, Trichy (Thiruchirapalli), Erode, and Salem-of the Tamil Nadu state in southern India. There was a significant (P<.001) reduction in ST-segment elevation MI (STEMI), non-STEMI (NSTEMI), and total (STEMI and NSTEMI together) cases during the lockdown period (April 1 to 30, 2020) as compared with no-lockdown periods such as January and February 2020 and April 2019 and April 2018 in all cities, whereas the reduction was not significant for NSTEMI in Trichy when data for the lockdown period was compared with those for January and February 2020. Overall, there is a reduction in acute MI cases, which may be due to alterations in modifiable risk factors during the COVID-19 lockdown period. Hence, implementation of public education and polices on controlling modifiable risk factors is likely to pay dividends.
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Affiliation(s)
| | | | - Ponniah Thirumalaikolundusubramanian
- Trichy SRM Medical College Hospital and Research Centre, Tiruchirappalli, Tamil Nadu, India (affiliated to the Tamil Nadu Dr. M.G.R. Medical University, Chennai)
| | - Melvin Joy
- Christian Medical College, Vellore, Tamil Nadu, India (affiliated to the Tamil Nadu Dr. M.G.R. Medical University, Chennai)
| | - Narendra Nath Jena
- Meenakshi Mission Hospital and Research Centre, Madurai, Tamil Nadu, India
| | - Ramalingam Vadivelu
- Velammal Medical College Hospital and Research Institute, Madurai, Tamil Nadu, India (affiliated to The Tamil Nadu Dr. M.G.R. Medical University, Chennai)
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