Synergistic effects of temperature and humidity on the symptoms of COPD patients

Mu, Zhanglei; Chen, Peili; Geng, Feng; Ren, Lei; Gu, Wenchao; Ma, Jia-yun; P, Li; Li, Qingyun

doi:10.1007/s00484-017-1379-0

Cited by 42 publications

(17 citation statements)

References 18 publications

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“…As to YLL for specific diseases, the effects of cold and heat on the CV system are stronger than those on the respiratory system. This might have led to a higher YLL attributable to CV mortality in this study, consistent with other studies [42,43]. Exposure to cold increases numbers of erythrocytes and blood platelets and leads to an increase of blood cholesterol and fibrinogen [44,45], which contributes to CV diseases.…”

Section: Discussionsupporting

confidence: 90%

The Impact of Cold and Heat on Years of Life Lost in a Northwestern Chinese City with Temperate Continental Climate

Liu

Wang

et al. 2019

IJERPH

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Cold spells and heat waves in a changing climate are well known as great public-health concerns due to their adverse effects on human health. However, very few studies have quantified health impacts of heat and cold in the region of Northwestern China. The purpose of the present study was to evaluate the effects of cold and heat on years of life lost (YLL) in Lanzhou, a city with temperate continental climate. We compiled a daily dataset including deaths, weather variables, and air pollutants in Lanzhou, China, from 2014–2017. We used a distributed lag non-linear model to estimate single-day and cumulative effects of heat and cold on daily YLL. Results indicated that both cold and heat were associated with increased YLL for registered residents in Lanzhou. Estimated heat effects appeared immediately in the first two days, while estimated cold effects lasted over a longer period (up to 30 days). Cold significantly increased the YLL of all residents except for males and those with respiratory diseases (≥65 years). Our results showed that both heat and cold had more pronounced effects on cardiovascular diseases compared to respiratory diseases. Males might be more vulnerable to heat, while females might suffer more YLL from cold. The effects of cold or heat on the elderly might appear earlier and last longer than those for other age groups.

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Section: Discussionsupporting

confidence: 90%

The Impact of Cold and Heat on Years of Life Lost in a Northwestern Chinese City with Temperate Continental Climate

Liu

Wang

et al. 2019

IJERPH

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“…Therefore, it is very important to pay attention to the quality of that indoor air, temperature, humidity, and pressure, especially as COPD patients must live in a safe environment, away from any kind of irritants. Based on the outcomes of a wide range of studies [35][36][37][38][39][40][41][42][43][44][45][46][47] that addressed internal environmental conditions, we were able to draw up safe limits for all indoor climate factors. The foundations of internal protection have been translated into a hierarchical tree, as shown in Figure 4.…”

Section: Indoor Rulesmentioning

confidence: 99%

“…This study demonstrated that the optimal respiratory recordings were obtained at and above 21 • C in the living room and at least 9 h at 18 • C in the bedroom during the night. Mu et al [36] found that indoor temperature should be kept to an average of 18.2 • C. The WHO's annual world health statistics report recommends that for certain groups such as people over the age of 65, the minimum indoor warmth threshold is 20 • C, but there is no evidence that these findings are applicable to chronic pulmonary diseases [37,38]. The COPD Foundation's Slim Skinny Reference Guide (SSRG) [39] and Excellus BlueCross BlueShield [40] suggested keeping the indoor humidity below 40% and above 30%, respectively, to avoid harmful influences.…”

Section: Indoor Rulesmentioning

confidence: 99%

A Pervasive Healthcare System for COPD Patients

2019

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Chronic obstructive pulmonary disease (COPD) is one of the most severe public health problems worldwide. Pervasive computing technology creates a new opportunity to redesign the traditional pattern of medical system. While many pervasive healthcare systems are currently found in the literature, there is little published research on the effectiveness of these paradigms in the medical context. This paper designs and validates a rule-based ontology framework for COPD patients. Unlike conventional systems, this work presents a new vision of telemedicine and remote care solutions that will promote individual self-management and autonomy for COPD patients through an advanced decision-making technique. Rules accuracy estimates were 89% for monitoring vital signs, and environmental factors, and 87% for nutrition facts, and physical activities.

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“…This region has a high rate of precipitation and humidity and has a large area of forestation that affects the number of pollens, and we recommend carrying out further studies to investigate this issue. Humidity and high temperatures are directly related to the worsening of symptoms in COPD patients whereas high humidity and low temperatures are shown to increase the risk of developing COPD (27). The lowest percentage of prevalence of hospitalization is in the Marmara Region (0.34%).…”

Section: Discussionmentioning

confidence: 99%

The Geographical Distribution of Morbidity Caused By Chronic Obstructive Pulmonary Disease in Turkey: COPDTURKEY-2

Türkkanı¹,

Özdemir²,

Kılıç³

et al. 2020

Balkan Med J

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Background: Chronic obstructive pulmonary disease (COPD) is one of the most prevalent causes for morbidity and mortality, and it creates a cumulative economic and social burden. Aims: To determine the distribution of the prevalence of patients in Turkey who were diagnosed with COPD and their morbidity rates, according to the regions and cities they belong to. Moreover, the study contributes to the prevention and cure services of COPD that should be planned in the future. Study Design: A retrospective cohort. Methods: The database of the Social Security Institution from 2016 has been scanned. All the data with prescription registration, with the code ICD-10, J44.0-J44.9, which were aimed for diagnosing and/or cure, have been evaluated with a retrospective cohort. Results: In 2016, 955,369 patients who were admitted as outpatients to the hospitals were diagnosed with COPD. The average number of annual COPD cases that were admitted was 2.09. Twenty percent (20%) of the outpatient applications were via emergency room. The rate of hospitalization among the applicants was 17.75%, with a total of 1,994,325. The average annual number of hospitalizations of men was higher than that of women. The average number of hospitalization days was 6.52. The region with the highest prevalence of outpatient admission and hospitalization was the Black Sea Region. Conclusion: The high rate of hospitalization was considered to be the outcome of the insufficient "outpatient" management.

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Synergistic effects of temperature and humidity on the symptoms of COPD patients

Cited by 42 publications

References 18 publications

The Impact of Cold and Heat on Years of Life Lost in a Northwestern Chinese City with Temperate Continental Climate

The Impact of Cold and Heat on Years of Life Lost in a Northwestern Chinese City with Temperate Continental Climate

A Pervasive Healthcare System for COPD Patients

The Geographical Distribution of Morbidity Caused By Chronic Obstructive Pulmonary Disease in Turkey: COPDTURKEY-2

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