Lung Effects of Household Air Pollution

Qiu, Anna Y.; Leng, Shuguang; McCormack, Meredith C.; Peden, David B.; Sood, Akshay

doi:10.1016/j.jaip.2022.08.031

Cited by 23 publications

(10 citation statements)

References 105 publications

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“…[25][26][27][28] In developing counties, most energy for homes is supplied from the biomass, which can be a trigger for asthma. 29 However, researchers have confirmed that patients with chronic obstructive pulmonary disease (COPD) exposed to biomass have worse pulmonary function compared with those subjected to smoking and occupational exposure. 15,30 We also found that patients with asthma had worse pulmonary function.…”

Section: Discussionmentioning

confidence: 99%

The clinical characteristics of patients with asthma exposed to different environmental risk factors: A cross‐sectional study

Luo

2023

Immunity Inflam & Disease

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Background: Smoking, biomass, and occupational exposure are the main environmental risk factors for asthma. The purpose of this study was to analyze the clinical characteristics of exposure to these risk factors in patients with asthma. Methods: This cross-sectional study enrolled patients with asthma from an outpatient department according to the Global Initiative for Asthma. Demographics, forced expiratory volume in 1 s (FEV1), FEV1%pred, FEV1/ forced vital capacity (FVC), laboratory tests, asthma control test (ACT), asthma control questionnaire (ACQ) scores, and the inhaled corticosteroid (ICS) dose were recorded. A generalized linear mixed model was used to adjust for potential confounders. Results: A total of 492 patients with asthma were included in this study. Of these patients, 13.0% were current smokers, 9.6% were former smokers, and 77.4% were never smokers. Compared with never smokers, the current and former smokers had a longer duration of asthma; lower ACT scores, FEV1, FEV1%pred, and FEV1/FVC; and higher ACQ scores, IgE, FeNO, blood eosinophils, and ICS dose (p < .05). In addition, the patients exposed to biomass alone were older; had higher exacerbation in the past year; a longer duration of asthma; and lower FEV1, FEV1%pred, FEV1/FVC, IgE, and FeNO compared with smoking or occupational exposure alone. Compared with smoking exposure alone, patients with occupational exposure alone had a longer duration of asthma and lower FEV1, FEV1%pred, FVC, IgE, FeNO, and ICS dose (p < .05). Conclusions: There are significant differences in the clinical characteristics of patients with asthma depending on the smoking status. In addition, significant differences also observed among smoking, biomass, and occupational exposure.

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Section: Discussionmentioning

confidence: 99%

The clinical characteristics of patients with asthma exposed to different environmental risk factors: A cross‐sectional study

Luo

2023

Immunity Inflam & Disease

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“…Cooking represented a small source of scope 1 emissions (0.4% in 2021 and 1.8% in 2022) and we plan to target these emissions by considering electric alternatives when new equipment is purchased. Gas stoves also contribute to indoor air pollution, which has been associated with asthma exacerbations and other respiratory illnesses 18 . Opting for electric alternatives can therefore create a healthier environment for food service employees.…”

Section: Discussionmentioning

confidence: 99%

“…Gas stoves also contribute to indoor air pollution, which has been associated with asthma exacerbations and other respiratory illnesses. 18 Opting for electric alternatives can therefore create a healthier environment for food service employees.…”

Section: Discussionmentioning

confidence: 99%

Addressing Climate Health: A Practical Guide to Quantifying and Reducing Health Care‐Associated Emissions

Dilger,

Shelley,

Bergmark

et al. 2023

Otolaryngol.--head neck surg.

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ObjectiveThe objective was to quantify annual greenhouse gas emissions from a surgical specialty hospital and identify high‐yield areas to reduce emissions associated with patient care.Study DesignPre‐post study, greenhouse gas inventory.SettingSpecialty hospital.MethodsA scope 1 and scope 2 greenhouse gas inventory of the Massachusetts Eye and Ear main campus for calendar years (CY) 2020, 2021, and 2022 was performed by assessing emissions attributable to on‐site sources (scope 1) and purchased electricity and steam (scope 2). The associated carbon dioxide equivalent was then calculated using known global warming potentials and emission factors.ResultsThe major contributors to scope 1 and scope 2 emissions at our institution for CY 2020 to 2022 were waste anesthetic gases and purchased steam. These results were reviewed with hospital leadership and a plan was developed to reduce these emissions. Emission monitoring is ongoing to assess the efficacy of these interventions.ConclusionMeasuring scope 1 and scope 2 emissions at the facility level allows health care facilities to develop institution‐specific interventions and compare data across health care organizations. Surgeons can lead on health care system sustainability by collaborating with clinical and nonclinical staff to measure emissions, developing targeted emissions‐reduction interventions, and tracking progress with yearly assessments.

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“…Compared with that of the FR−/LLN− group, both FR−/LLN+ and FR+/LLN+ groups had been more exposed to HAP, which may have contributed to their lung function impairment: 2.6 billion people (approximately 40% of the world’s population) cook with polluting biomass fuels [ 30 ]. Exposure to HAP is one of the risk factors for COPD [ 20 , 31 ], causing an estimated 3.8 million deaths every year. More than 90% of air pollution-related deaths occur in low-income and middle-income countries, mainly Asia and Africa [ 30 ].…”

Section: Discussionmentioning

confidence: 99%

Comparison of the lower limit of normal to the fixed ratio method for the diagnosis of airflow obstruction at high altitudes: a large cross-sectional survey of subjects living between 3000–4700 m above sea level

Huang

Xing

Janssens³

et al. 2023

Eur J Med Res

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Background There is no general agreement on the preferential use of a fixed ratio (FR) of forced expiratory volume in 1 s (FEV1)/forced vital capacity (FVC) < 0.7 vs. the lower limit of normal (LLN) of FEV1/FVC to define airflow obstruction. Determining the impact of these different cut-off levels in people living at high altitudes has not been studied. We assessed the prevalence of airflow obstruction and its clinical characteristics in residents living at high altitude using a fixed ratio and the LLN of FEV1/FVC according to Global Lung Initiative 2012 (GLI) reference values. Methods Using a multistage stratified sampling method, 3702 participants (aged ≥ 15 years) living at an altitude of 3000–4700 m in Tibet were included. Results 11.4% and 7.7% of participants had airflow obstruction according to GLI-LLN and a fixed FEV1/FVC cut-off value, respectively. The participants in the FR−/LLN+ group were younger, predominantly female, more frequently exposed to household air pollution, and had a higher proportion of chronic obstructive pulmonary disease assessment test scores ≥ 10 than those in the FR−/LLN− group. They also had a significantly lower FEV1 and a higher frequency of small airway dysfunction. Compared with the participants of the FR+/LLN+ group, those in the FR−/LLN+ group showed no significant difference in the risk factors for airflow obstruction and respiratory symptoms, but had a lower prevalence of small airway dysfunction. Conclusions Defining airflow obstruction according to LLN, instead of using an FR, identified younger individuals with more frequent clinical symptoms of airflow obstruction and small airway dysfunction.

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Lung Effects of Household Air Pollution

Cited by 23 publications

References 105 publications

The clinical characteristics of patients with asthma exposed to different environmental risk factors: A cross‐sectional study

The clinical characteristics of patients with asthma exposed to different environmental risk factors: A cross‐sectional study

Addressing Climate Health: A Practical Guide to Quantifying and Reducing Health Care‐Associated Emissions

Comparison of the lower limit of normal to the fixed ratio method for the diagnosis of airflow obstruction at high altitudes: a large cross-sectional survey of subjects living between 3000–4700 m above sea level

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