The effects of temperature and humidity on mortality in acute medical admissions

White, Philippa; Conway, Richard; Byrne, Declan; O’Riordan, Deirdre; Silke, Bernard

doi:10.29333/ejeph/12446

Cited by 2 publications

(3 citation statements)

References 45 publications

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“…Braga et al found similar relative risks and lag-response relationships for heat effect on myocardial infarctions, cardiovascular disease, pneumonia, and overall daily deaths in eight cold cities in the U.S., including New Haven, CT [14]. Previous studies have also shown some heterogeneity in the effect of RH on temperature-related mortality, but most existing literature has suggested that humidity has a negligible effect on temperature mortality burdens, which is consistent with our results [24][25][26][27].…”

Section: Plos Climatesupporting

confidence: 91%

“…For this data, the daily mean saturation vapor pressure was calculated from the daily mean temperature, and mean RH was calculated as the mean water vapor pressure divided by the mean saturation vapor pressure. In our models, we applied a natural cubic spline with 3 degrees of freedom for each measure of RH [24][25][26][27]. All humidity calculations were done using the 'humidity' package in R [28].…”

Section: Competing Interestsmentioning

confidence: 99%

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The mortality burden of extreme heat in Connecticut: A time series analysis

Goddard

Lin²,

Ma³

et al. 2023

PLOS Clim

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Local epidemiological evidence is imperative for making state and regional policy decisions addressing climate change, especially considering geographic variability in temperature and acclimatization. While the health impacts of extreme heat have been quantified in broad contexts, greater research is needed to provide accurate and precise health impact estimates on local scales where climate action is likely. The re-establishment of Connecticut’s Governor’s Council on Climate Change and its formation of an Office of Climate Change and Public Health demonstrate Connecticut’s commitment to and readiness for climate change planning and adaptation. Using data on daily all-cause mortality and average temperature across Connecticut during the warm season from 2005–2016, we estimated the total mortality burden of extreme heat (defined as temperatures above the 90th percentile, 24.7°C, and 99th percentile, 27.4°C during the warm season) in Connecticut compared to the reference temperature (41.5th percentile, 18.9°C). We conducted a time-series analysis using a generalized linear model with a quasi-Poisson regression, adjusting for the day of the week, holidays, and long-term trend. We found a statistically significant positive association between extreme heat and all-cause mortality, with a relative risk of 1.021 (95% CI: 1.002,1.041) at the 90th warm season temperature percentile and 1.039 (95% CI: 1.009,1.071) at the 99th warm season temperature percentile. We estimated that 31 deaths or 0.28% of all warm season deaths (95% eCI: 9, 53 or 0.08%, 0.48%) were attributable to extreme heat above the 90th warm season temperature percentile in Connecticut each year, more than five times what is reported in the Global Burden of Disease 2019 study. These results support state-wide action to mitigate the negative health effects of extreme heat and further research to understand the specific causes behind and modifiers of heat-related mortality in localized contexts in Connecticut and elsewhere.

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Section: Plos Climatesupporting

confidence: 91%

Section: Competing Interestsmentioning

confidence: 99%

The mortality burden of extreme heat in Connecticut: A time series analysis

Goddard

Lin²,

Ma³

et al. 2023

PLOS Clim

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“…Recent concern in respect to Bangladesh arises is the heat effect on human and plants due to ambient temperature. Although unhealthy temperatures, extreme temperatures, and even moderately high or low temperatures can have an impact 2024 -European Journal of Chemistry -CC BY NC -DOI: 10.5155/eurjchem.15.1.79-86.2511 on death, the overall influence of humidity on mortality has not been epidemiologically demonstrated conclusively [7]. Additionally, in vulnerable plant species, these air pollutants can cause leaf damage, stomatal damage, early senescence, reduced photosynthetic activity, disturbed membrane permeability, and restricted growth and production.…”

Section: Introductionmentioning

confidence: 99%

Effect of air pollution on plant life in the city of Chittagong, Bangladesh

Jubaer,

Ali,

Hassan

et al. 2024

Eur J Chem

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Bangladesh faces a serious problem with air pollution, which has a negative impact on human health and tree health. Leaf damage, slow development, and decreased photosynthetic activity are just a few of the harmful effects on trees that have been linked to high concentrations of pollutants such as particulate matter, sulfur dioxide, and nitrogen oxides. These consequences affect the aesthetic value of green spaces in addition to interfering with the functions of the ecosystem that trees offer, such as air filtration and carbon sequestration. Given the seriousness of the problem, the present study plan was implemented to evaluate the amount of pollutants such as SOx, NOx, O3, hydrocarbons, particulate matter 2.5, particulate matter 10 and suspended particulate matter in the air in several urban areas of Chittagong and to evaluate the amount of chlorophyll from the leaves of affected and without affected leaves so that it may understand how the photosynthesis process of plants is interrupted by air pollution. 2 Number Gate Circle, Akbarsha Lane Circle, Alongkar Mor Bus Stop, Barik Building Circle, BDR Field Circle, Halishahar Access Road, Artillery Center-North Halishahar, Bangladesh Forest Research Institute and CRB Circle were selected as sampling location based on their heavy traffic and crowdedness. For the analysis of chlorophyll, each plant leaves were collected in three sections such as unaffected, slightly affected, and affected for comparison. The data studied showed that the most polluted zone with particulate matter had a lower chlorophyll concentration in the surrounding tree leaves. This can indicate that particulate matter can hinder photosynthesis reactions.

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The effects of temperature and humidity on mortality in acute medical admissions

Cited by 2 publications

References 45 publications

The mortality burden of extreme heat in Connecticut: A time series analysis

The mortality burden of extreme heat in Connecticut: A time series analysis

Effect of air pollution on plant life in the city of Chittagong, Bangladesh

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