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Air pollution and cardiovascular hospitalization | News | Harvard T.H. Chan School of Public Health

Air pollution and cardiovascular hospitalization | News | Harvard T.H. Chan School of Public Health
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Boston , Massachusetts , United-states , Adjania-peralta , Francesca-dominici , Yijing-feng , Alexandra-shtein , Xinye-qiu , Edgar-castro , Mahdieh-danesh-yazdi , Maya-brownstein , Harvard-chan

PM2.5 is Linked to Increased Hospitalization Risk in Seniors

A recent study led by Harvard T.H. Chan School of Public Health suggests that prolonged exposure to fine particulate air pollutants (PM2.5) could heighten the likelihood of seniors being hospitalized for various cardiovascular ailments.

United-states , Yijing-feng , Adjani-peralta , Megan-craig , Francesca-dominici , Xinye-qiu , Mahdieh-danesh-yazdi , Edgar-castro , Joel-schwartz , Alexandra-shtein , National-institutes-of-health , Alfredp-sloan-foundation

Air Pollution May Boost Seniors' Heart Hospitalization Risk

Air Pollution May Boost Seniors' Heart Hospitalization Risk
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Boston , Massachusetts , United-states , Edgar-castro , Adjani-peralta , Adjania-peralta , Yijing-feng , Mahdieh-danesh-yazdi , Alexandra-shtein , Francesca-dominici , Xinye-qiu , Joel-schwartz

Exposure-response associations between chronic exposure to fine particulate matter and risks of hospital admission for major cardiovascular diseases: population based cohort study

Objective To estimate exposure-response associations between chronic exposure to fine particulate matter (PM2.5) and risks of the first hospital admission for major cardiovascular disease (CVD) subtypes.

Design Population based cohort study.

Setting Contiguous US.

Participants 59 761 494 Medicare fee-for-service beneficiaries aged ≥65 years during 2000-16. Calibrated PM2.5 predictions were linked to each participant’s residential zip code as proxy exposure measurements.

Main outcome measures Risk of the first hospital admission during follow-up for ischemic heart disease, cerebrovascular disease, heart failure, cardiomyopathy, arrhythmia, valvular heart disease, thoracic and abdominal aortic aneurysms, or a composite of these CVD subtypes. A causal framework robust against confounding bias and bias arising from errors in exposure measurements was developed for exposure-response estimations.

Results Three year average PM2.5 exposure was associated with increased relative risks of first hospital admissions for ischemic heart disease, cerebrovascular disease, heart failure, cardiomyopathy, arrhythmia, and thoracic and abdominal aortic aneurysms. For composite CVD, the exposure-response curve showed monotonically increased risk associated with PM2.5: compared with exposures ≤5 µg/m3 (the World Health Organization air quality guideline), the relative risk at exposures between 9 and 10 µg/m3, which encompassed the US national average of 9.7 µg/m3 during the study period, was 1.29 (95% confidence interval 1.28 to 1.30). On an absolute scale, the risk of hospital admission for composite CVD increased from 2.59% with exposures ≤5 µg/m3 to 3.35% at exposures between 9 and 10 µg/m3. The effects persisted for at least three years after exposure to PM2.5. Age, education, accessibility to healthcare, and neighborhood deprivation level appeared to modify susceptibility to PM2.5.

Conclusions The findings of this study suggest that no safe threshold exists for the chronic effect of PM2.5 on overall cardiovascular health. Substantial benefits could be attained through adherence to the WHO air quality guideline.

The Medicare data are available upon request to the Centers for Medicare and Medicaid Services. The originally predicted, grid level PM2.5 data are publicly available at <https://doi.org/10.7927/0rvr-4538>. The calibrated, grid level and zip code level PM2.5 data are available from the corresponding author on reasonable request. The grid level ozone data are publicly available at <https://doi.org/10.7927/a4mb-4t86>. The grid level nitrogen dioxide data are publicly available at <https://doi.org/10.7927/f8eh-5864>. The zip code level ozone and nitrogen dioxide data are publicly available at <https://doi.org/10.7927/9yp5-hz11>. Data availability that relates to predictors in the PM2.5 modeling and calibration can be referred to Di et al.[21][1] Other covariate data are publicly available with sources described in the manuscript.

[1]: #ref-21

United-states , American , Mahdieh-danesh-yazdi , Edgar-castro , Yijing-feng , Joeld-schwartz , Alexandra-shtein , Xinye-qiu , Adjania-peralta , Francesca-dominici , Yaguang-wei , National-ambient-air-quality-standards

Harvard study links PM2.5 air pollution to increased risk of cardiovascular hospitalization in seniors

Chronic exposure to fine particulate air pollutants (PM2.5) may increase seniors' risk of hospitalization for a variety of cardiovascular conditions, according to a new study led by Harvard T.H. Chan School of Public Health.

Adjani-peralta , Harvard-chan , Alexandra-shtein , Yaguang-wei , Francesca-dominici , Joel-schwartz , Mahdieh-danesh-yazdi , Xinye-qiu , Edgar-castro , Yijing-feng , Alfredp-sloan-foundation , World-health-organization

Chronic exposure to air pollution may increas

<ul>
<li>Chronic exposure to fine particulate air pollutants (PM2.5) may increase seniors&rsquo; risk of cardiovascular hospitalization, with disproportionate impacts on residents of socioeconomically deprived neighborhoods.</li>
<li>The findings suggest that to protect heart health, there is no safe threshold for chronic PM2.5 exposure, and that the EPA&rsquo;s newly updated standard for the U.S.&rsquo;s annual average PM2.5 level isn&rsquo;t low enough to reduce the burden of cardiovascular disease or protect public health overall.</li>
</ul>


United-states , Boston , Massachusetts , America , Alexandra-shtein , Yaguang-wei , Adjani-peralta , Francesca-dominici , Adjania-peralta , Xinye-qiu , Yijing-feng , Joel-schwartz

Residents shocked after accused sexual predator is out on bond

Some residents say they are perplexed that 29-year-old Cameron Abernathy of Athens has been out on a $100,000 bond since Tuesday.

Hazel-green , Alabama , United-states , Blountsville , Albertville , Juarez , Méco , Mexico , Athens , Attikír , Greece , Bobby-pincheon

Limestone County residents shocked after accused sexual predator out on bond

Some residents say they are perplexed that 29-year-old Cameron Abernathy of Athens has been out on a $100,000 bond since Tuesday.

Alabama , United-states , Juarez , Méco , Mexico , Albertville , Blountsville , Hazel-green , Athens , Attikír , Greece , Edgar-castro

Four suspects in Limestone County trafficking case appear in court

Four suspects in Limestone County trafficking case appear in court
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Juarez , Méco , Mexico , Christopher-tomasello , Edgar-castro , Collin-mcgee , Bernardo-sanchez , Edgar-castro-juarez ,

9 ARRESTED IN UNDERCOVER CHILD EXPLOITATION SEX TRAFFICKING OPERATION IN LIMESTONE COUNTY – Quad Cities Daily

9 ARRESTED IN UNDERCOVER CHILD EXPLOITATION SEX TRAFFICKING OPERATION IN LIMESTONE COUNTY – Quad Cities Daily
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Alabama , United-states , Albertville , Hazel-green , Athens , Attikír , Greece , Limestone-county , Juarez , Méco , Mexico , Blountsville