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Abrignani MG, Lombardo A, Braschi A, Renda N, Abrignani V. Climatic influences on cardiovascular diseases. World J Cardiol 2022; 14:152-169. [PMID: 35432772 PMCID: PMC8968453 DOI: 10.4330/wjc.v14.i3.152] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 08/23/2021] [Accepted: 03/07/2022] [Indexed: 02/06/2023] Open
Abstract
Classical risk factors only partially account for variations in cardiovascular disease incidence; therefore, also other so far unknown features, among which meteorological factors, may influence heart diseases (mainly coronary heart diseases, but also heart failure, arrhythmias, aortic dissection and stroke) rates. The most studied phenomenon is ambient temperature. The relation between mortality, as well as cardiovascular diseases incidence, and temperature appears graphically as a ‘‘U’’ shape. Exposure to cold, heat and heat waves is associated with an increased risk of acute coronary syndromes. Other climatic variables, such as humidity, atmospheric pressure, sunlight hours, wind strength and direction and rain/snow precipitations have been hypothesized as related to fatal and non-fatal cardiovascular diseases incidence. Main limitation of these studies is the unavailability of data on individual exposure to weather parameters. Effects of weather may vary depending on other factors, such as population disease profile and age structure. Climatic stress may increase direct and indirect risks to human health via different, complex pathophysiological pathways and exogenous and endogenous mechanisms. These data have attracted growing interest because of the recent earth’s climate change, with consequent increasing ambient temperatures and climatic fluctuations. This review evaluates the evidence base for cardiac health consequences of climate conditions, and it also explores potential further implications.
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Affiliation(s)
- Maurizio Giuseppe Abrignani
- Operative Unit of Cardiology, Department of Medicine, S. Antonio Abate Hospital of Trapani, ASP Trapani, Trapani 91100, Italy
| | - Alberto Lombardo
- Operative Unit of Cardiology, Department of Medicine, S. Antonio Abate Hospital of Trapani, ASP Trapani, Trapani 91100, Italy
| | - Annabella Braschi
- Department of Internal Medicine, Department of Psychology, Educational Science and Human Movement, University of Palermo, Palermo 90100, Italy
| | - Nicolò Renda
- Department of Mental Health, ASP Trapani, Trapani 91100, Italy
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2
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Fonseca-Rodríguez O, Sheridan SC, Lundevaller EH, Schumann B. Effect of extreme hot and cold weather on cause-specific hospitalizations in Sweden: A time series analysis. ENVIRONMENTAL RESEARCH 2021; 193:110535. [PMID: 33271141 DOI: 10.1016/j.envres.2020.110535] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/18/2020] [Accepted: 11/23/2020] [Indexed: 06/12/2023]
Abstract
Considering that several meteorological variables can contribute to weather vulnerability, the estimation of their synergetic effects on health is particularly useful. The spatial synoptic classification (SSC) has been used in biometeorological applications to estimate the effect of the entire suite of weather conditions on human morbidity and mortality. In this study, we assessed the relationships between extremely hot and dry (dry tropical plus, DT+) and hot and moist (moist tropical plus, MT+) weather types in summer and extremely cold and dry (dry polar plus, DP+) and cold and moist (moist polar, MP+) weather types in winter and cardiovascular and respiratory hospitalizations by age and sex. Time-series quasi-Poisson regression with distributed lags was used to assess the relationship between oppressive weather types and daily hospitalizations over 14 subsequent days in the extended summer (May to August) and 28 subsequent days during the extended winter (November to March) over 24 years in 4 Swedish locations from 1991 to 2014. In summer, exposure to hot weather types appeared to reduce cardiovascular hospitalizations while increased the risk of hospitalizations for respiratory diseases, mainly related to MT+. In winter, the effect of cold weather on both cause-specific hospitalizations was small; however, MP+ was related to a delayed increase in cardiovascular hospitalizations, whilst MP+ and DP + increased the risk of hospitalizations due to respiratory diseases. This study provides useful information for the staff of hospitals and elderly care centers who can help to implement protective measures for patients and residents. Also, our results could be helpful for vulnerable people who can adopt protective measures to reduce health risks.
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Affiliation(s)
- Osvaldo Fonseca-Rodríguez
- Department of Epidemiology and Global Health, Umeå University, 901 85, Umeå, Sweden; Centre for Demographic and Ageing Research, Umeå University, 901 87, Umeå, Sweden.
| | - Scott C Sheridan
- Department of Geography, Kent State University, Kent, OH, 44242, USA.
| | | | - Barbara Schumann
- Department of Epidemiology and Global Health, Umeå University, 901 85, Umeå, Sweden; Centre for Demographic and Ageing Research, Umeå University, 901 87, Umeå, Sweden.
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Abed Al Ahad M, Sullivan F, Demšar U, Melhem M, Kulu H. The effect of air-pollution and weather exposure on mortality and hospital admission and implications for further research: A systematic scoping review. PLoS One 2020; 15:e0241415. [PMID: 33119678 PMCID: PMC7595412 DOI: 10.1371/journal.pone.0241415] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 10/15/2020] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Air-pollution and weather exposure beyond certain thresholds have serious effects on public health. Yet, there is lack of information on wider aspects including the role of some effect modifiers and the interaction between air-pollution and weather. This article aims at a comprehensive review and narrative summary of literature on the association of air-pollution and weather with mortality and hospital admissions; and to highlight literature gaps that require further research. METHODS We conducted a scoping literature review. The search on two databases (PubMed and Web-of-Science) from 2012 to 2020 using three conceptual categories of "environmental factors", "health outcomes", and "Geographical region" revealed a total of 951 records. The narrative synthesis included all original studies with time-series, cohort, or case cross-over design; with ambient air-pollution and/or weather exposure; and mortality and/or hospital admission outcomes. RESULTS The final review included 112 articles from which 70 involved mortality, 30 hospital admission, and 12 studies included both outcomes. Air-pollution was shown to act consistently as risk factor for all-causes, cardiovascular, respiratory, cerebrovascular and cancer mortality and hospital admissions. Hot and cold temperature was a risk factor for wide range of cardiovascular, respiratory, and psychiatric illness; yet, in few studies, the increase in temperature reduced the risk of hospital admissions for pulmonary embolism, angina pectoris, chest, and ischemic heart diseases. The role of effect modification in the included studies was investigated in terms of gender, age, and season but not in terms of ethnicity. CONCLUSION Air-pollution and weather exposure beyond certain thresholds affect human health negatively. Effect modification of important socio-demographics such as ethnicity and the interaction between air-pollution and weather is often missed in the literature. Our findings highlight the need of further research in the area of health behaviour and mortality in relation to air-pollution and weather, to guide effective environmental health precautionary measures planning.
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Affiliation(s)
- Mary Abed Al Ahad
- School of Geography and Sustainable Development, University of St Andrews, Scotland, United Kingdom
| | - Frank Sullivan
- School of Medicine, University of St Andrews, Scotland, United Kingdom
| | - Urška Demšar
- School of Geography and Sustainable Development, University of St Andrews, Scotland, United Kingdom
| | - Maya Melhem
- Department of Landscape Design and Ecosystem Management, American University of Beirut, Beirut, Lebanon
| | - Hill Kulu
- School of Geography and Sustainable Development, University of St Andrews, Scotland, United Kingdom
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Holistic approach to assess co-benefits of local climate mitigation in a hot humid region of Australia. Sci Rep 2020; 10:14216. [PMID: 32848173 PMCID: PMC7450084 DOI: 10.1038/s41598-020-71148-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 08/10/2020] [Indexed: 11/08/2022] Open
Abstract
Overheated outdoor environments adversely impact urban sustainability and livability. Urban areas are particularly affected by heat waves and global climate change, which is a serious threat due to increasing heat stress and thermal risk for residents. The tropical city of Darwin, Australia, for example, is especially susceptible to urban overheating that can kill inhabitants. Here, using a modeling platform supported by detailed measurements of meteorological data, we report the first quantified analysis of the urban microclimate and evaluate the impacts of heat mitigation technologies to decrease the ambient temperature in the city of Darwin. We present a holistic study that quantifies the benefits of city-scale heat mitigation to human health, energy consumption, and peak electricity demand. The best-performing mitigation scenario, which combines cool materials, shading, and greenery, reduces the peak ambient temperature by 2.7 °C and consequently decreases the peak electricity demand and the total annual cooling load by 2% and 7.2%, respectively. Further, the proposed heat mitigation approach can save 9.66 excess deaths per year per 100,000 people within the Darwin urban health district. Our results confirm the technological possibilities for urban heat mitigation, which serves as a strategy for mitigating the severity of cumulative threats to urban sustainability.
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Mlakar M, Puddu PE, Somrak M, Bonfiglio S, Luštrek M. Mining telemonitored physiological data and patient-reported outcomes of congestive heart failure patients. PLoS One 2018; 13:e0190323. [PMID: 29494601 PMCID: PMC5832202 DOI: 10.1371/journal.pone.0190323] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 12/12/2017] [Indexed: 11/19/2022] Open
Abstract
This paper addresses patient-reported outcomes (PROs) and telemonitoring in congestive heart failure (CHF), both increasingly important topics. The interest in CHF trials is shifting from hard end-points such as hospitalization and mortality, to softer end-points such health-related quality of life. However, the relation of these softer end-points to objective parameters is not well studied. Telemonitoring is suitable for collecting both patient-reported outcomes and objective parameters. Most telemonitoring studies, however, do not take full advantage of the available sensor technology and intelligent data analysis. The Chiron clinical observational study was performed among 24 CHF patients (17 men and 7 women, age 62.9 ± 9.4 years, 15 NYHA class II and 9 class III, 10 of ishaemic, aetiology, 6 dilated, 2 valvular, and 6 of multiple aetiologies or cardiomyopathy) in Italy and UK. A large number of physiological and ambient parameters were collected by wearable and other devices, together with PROs describing how well the patients felt, over 1,086 days of observation. The resulting data were mined for relations between the objective parameters and the PROs. The objective parameters (humidity, ambient temperature, blood pressure, SpO2, and sweeting intensity) could predict the PROs with accuracies up to 86% and AUC up to 0.83, making this the first report providing evidence for ambient and physiological parameters to be objectively related to PROs in CHF patients. We also analyzed the relations in the predictive models, gaining some insights into what affects the feeling of health, which was also generally not attempted in previous investigations. The paper strongly points to the possibility of using PROs as primary end-points in future trials.
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Affiliation(s)
- Miha Mlakar
- Department of Intelligent Systems, Jožef Stefan Institute, Ljubljana, Slovenija
| | - Paolo Emilio Puddu
- Department of Cardiovascular, Respiratory, Nephrological, Anesthesiological and Geriatric Sciences, Sapienza University of Rome, Rome, Italy
| | - Maja Somrak
- Department of Intelligent Systems, Jožef Stefan Institute, Ljubljana, Slovenija
| | | | - Mitja Luštrek
- Department of Intelligent Systems, Jožef Stefan Institute, Ljubljana, Slovenija
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Goldie J, Alexander L, Lewis SC, Sherwood SC, Bambrick H. Changes in relative fit of human heat stress indices to cardiovascular, respiratory, and renal hospitalizations across five Australian urban populations. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2018; 62:423-432. [PMID: 28965155 DOI: 10.1007/s00484-017-1451-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 08/30/2017] [Accepted: 09/20/2017] [Indexed: 05/22/2023]
Abstract
Various human heat stress indices have been developed to relate atmospheric measures of extreme heat to human health impacts, but the usefulness of different indices across various health impacts and in different populations is poorly understood. This paper determines which heat stress indices best fit hospital admissions for sets of cardiovascular, respiratory, and renal diseases across five Australian cities. We hypothesized that the best indices would be largely dependent on location. We fit parent models to these counts in the summers (November-March) between 2001 and 2013 using negative binomial regression. We then added 15 heat stress indices to these models, ranking their goodness of fit using the Akaike information criterion. Admissions for each health outcome were nearly always higher in hot or humid conditions. Contrary to our hypothesis that location would determine the best-fitting heat stress index, we found that the best indices were related largely by health outcome of interest, rather than location as hypothesized. In particular, heatwave and temperature indices had the best fit to cardiovascular admissions, humidity indices had the best fit to respiratory admissions, and combined heat-humidity indices had the best fit to renal admissions. With a few exceptions, the results were similar across all five cities. The best-fitting heat stress indices appear to be useful across several Australian cities with differing climates, but they may have varying usefulness depending on the outcome of interest. These findings suggest that future research on heat and health impacts, and in particular hospital demand modeling, could better reflect reality if it avoided "all-cause" health outcomes and used heat stress indices appropriate to specific diseases and disease groups.
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Affiliation(s)
- James Goldie
- Climate Change Research Centre, UNSW Australia, Sydney, NSW, Australia.
- ARC Centre of Excellence for Climate System Science, UNSW Australia, Sydney, NSW, Australia.
- Fenner School of Environment & Society, Australian National University, Acton, ACT, Australia.
| | - Lisa Alexander
- Climate Change Research Centre, UNSW Australia, Sydney, NSW, Australia
- ARC Centre of Excellence for Climate System Science, UNSW Australia, Sydney, NSW, Australia
| | - Sophie C Lewis
- ARC Centre of Excellence for Climate System Science, UNSW Australia, Sydney, NSW, Australia
- Fenner School of Environment & Society, Australian National University, Acton, ACT, Australia
| | - Steven C Sherwood
- Climate Change Research Centre, UNSW Australia, Sydney, NSW, Australia
- ARC Centre of Excellence for Climate System Science, UNSW Australia, Sydney, NSW, Australia
| | - Hilary Bambrick
- School of Public Health and Social Work, Queensland University of Technology, Brisbane, QLD, Australia
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Goldie J, Alexander L, Lewis SC, Sherwood S. Comparative evaluation of human heat stress indices on selected hospital admissions in Sydney, Australia. Aust N Z J Public Health 2017; 41:381-387. [DOI: 10.1111/1753-6405.12692] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 01/01/2017] [Accepted: 04/01/2017] [Indexed: 11/28/2022] Open
Affiliation(s)
- James Goldie
- Climate Change Research Centre; University of New South Wales
- ARC Centre of Excellence for Climate System Science; University of New South Wales
| | - Lisa Alexander
- Climate Change Research Centre; University of New South Wales
- ARC Centre of Excellence for Climate System Science; University of New South Wales
| | - Sophie C. Lewis
- ARC Centre of Excellence for Climate System Science; University of New South Wales
- Fenner School of Environment & Society; Australian National University, Australian Capital Territory
| | - Steven Sherwood
- Climate Change Research Centre; University of New South Wales
- ARC Centre of Excellence for Climate System Science; University of New South Wales
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Zander KK, Moss SA, Garnett ST. Drivers of self-reported heat stress in the Australian labour force. ENVIRONMENTAL RESEARCH 2017; 152:272-279. [PMID: 27816864 DOI: 10.1016/j.envres.2016.10.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 10/25/2016] [Indexed: 06/06/2023]
Abstract
Heat stress causes reductions in well-being and health. As average annual temperatures increase, heat stress is expected to affect more people. While most research on heat stress has explored how exposure to heat affects functioning of the human organism, stress from heat can be manifest long before clinical symptoms are evident, with profound effects on behavior. Here we add to the little research conducted on these subclinical effects of environmental heat using results from an Australian-wide cross-sectional study of nearly 2000 respondents on their self-reported level of heat stress. Slightly less than half (47%) of the respondents perceived themselves as at least sometimes, often or very often stressed by heat during the previous 12 months. Health status and smoking behavior had the expected impact on self-reported perceived heat stress. There were also regional differences with people living in South Australia, Victoria and New South Wales most likely to have reported to have felt heat stressed. People generally worried about climate change, who had been influenced by recent heat waves and who thought there was a relationship between climate change and health were also more likely to have been heat stressed. Surprisingly average maximum temperatures did not significantly explain heat stress but stress was greater among people who perceived the day of the survey as hotter than usual. Currently heat stress indices are largely based on monitoring the environment and physical limitations to people coping with heat. Our results suggest that psychological perceptions of heat need to be considered when predicting how people will be affected by heat under climate change and when developing heat relief and climate change adaptation plans, at work, at home or in public spaces. We further conclude that the perception of temperature and heat stress complements measures that assess heat exposure and heat strain.
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Affiliation(s)
- Kerstin K Zander
- Northern Institute, Charles Darwin University, Darwin, Northern Territory, Australia.
| | - Simon A Moss
- School of Psychological and Clinical Sciences, Charles Darwin University, Darwin, Northern Territory, Australia
| | - Stephen T Garnett
- Research Institute for the Environment and Livelihoods, Charles Darwin University, Darwin, Northern Territory, Australia
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Differential Effects of Temperature Extremes on Hospital Admission Rates for Respiratory Disease between Indigenous and Non-Indigenous Australians in the Northern Territory. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2015; 12:15352-65. [PMID: 26633456 PMCID: PMC4690924 DOI: 10.3390/ijerph121214988] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 11/16/2015] [Accepted: 12/01/2015] [Indexed: 01/18/2023]
Abstract
The health gap between Indigenous and non-Indigenous Australians may be exacerbated by climate change if temperature extremes have disproportionate adverse effects on Indigenous people. To explore this issue, we analysed the effect of temperature extremes on hospital admissions for respiratory diseases, stratified by age, Indigenous status and sex, for people living in two different climates zones in the Northern Territory during the period 1993–2011. We examined admissions for both acute and chronic respiratory diagnoses, controlling for day of the week and seasonality variables. Our analysis showed that: (1) overall, Indigenous hospital admission rates far exceeded non-Indigenous admission rates for acute and chronic diagnoses, and Top End climate zone admission rates exceeded Central Australia climate zone admission rates; (2) extreme cold and hot temperatures were associated with inconsistent changes in admission rates for acute respiratory disease in Indigenous and non-Indigenous children and older adults; and (3) no response to cold or hot temperature extremes was found for chronic respiratory diagnoses. These findings support our two hypotheses, that extreme hot and cold temperatures have a different effect on hospitalisations for respiratory disease between Indigenous and non-Indigenous people, and that these health risks vary between the different climate zones. We did not, however, find that there were differing responses to temperature extremes in the two populations, suggesting that any increased vulnerability to climate change in the Indigenous population of the Northern Territory arises from an increased underlying risk to respiratory disease and an already greater existing health burden.
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