Journal of Preventive Medicine and Public Health

Review

High Temperatures and Kidney Disease Morbidity: A Systematic Review and Meta-analysis: Woo-Seok Lee, Woo-Sung Kim, Youn-Hee Lim, Yun-Chul Hong; J Prev Med Public Health. 2019;52(1):1-13. Published online November 20, 2018; DOI: https://doi.org/10.3961/jpmph.18.149

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Abstract Summary PDF Supplementary Material

Objectives
In recent years, serious concerns have been raised regarding the impacts of rising temperatures on health. The present study was conducted to investigate the relationship between elevated temperatures and kidney disease through a systematic review and meta-analysis.
Methods
In October 2017, 2 researchers independently searched related studies in PubMed and Embase. A meta-analysis was conducted using a random-effects model, including only studies that presented odds ratios, relative risks, or percentage changes, along with 95% confidence intervals (CIs). The characteristics of each study were summarized, and the Egger test and funnel plots were used to evaluate publication bias.
Results
Eleven studies that met the criteria were included in the final analysis. The pooled results suggest an increase of 30% (95% CI, 20 to 40) in kidney disease morbidity with high temperatures. In a disease-specific subgroup analysis, statistically significant results were observed for both renal colic or kidney stones and other renal diseases. In a study design–specific subgroup analysis, statistically significant results were observed in both time-series analyses and studies with other designs. In a temperature measure–specific subgroup analysis, significant results were likewise found for both studies using mean temperature measurements and studies measuring heat waves or heat stress.
Conclusions
Our results indicate that morbidity due to kidney disease increases at high temperatures. We also found significant results in subgroup analyses. However, further time-series analyses are needed to obtain more generalizable evidence.

Summary

Korean summary
최근들어 기온상승에 따른 건강영향과 관련하여 전 세계적으로 심각한 우려가 제기되고 있으며, 저자들은 이에 착안하여 본 연구에서 체계적 문헌고찰과 메타분석을 통해 기온상승과 신장질환 발생간의 연관성을 연구하고자 하였다. 연구결과에서는 임계온도 이상으로 기온이 상승하면 참고치에 비해 신장질환으로의 이환율이 30% (95% 신뢰구간, 20% 에서 40%) 증가함을 보였고, 부집단 분석에서도 역시 유의한 결과를 나타내었다. 그러나 보다 일반화 가능한 근거를 얻기 위해서는 기온상승과 신장질환 발생에 관한 더 많은 시계열 분석 연구가 필요할 것으로 사료된다.

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Brief Report

Outdoor (1→3)-β-D-glucan Levels and Related Climatic Factors: Sung Ho Hwang, Chung Sik Yoon, Jae Bum Park; J Prev Med Public Health. 2014;47(2):124-128. Published online March 31, 2014; DOI: https://doi.org/10.3961/jpmph.2014.47.2.124

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Abstract PDF

Objectives

To evaluate the monthly variation in the airborne (1→3)-β-D-glucan level throughout one year and its relationship with climatic factors (temperature, relative humidity, wind speed, hours of daylight, cloud cover, and pollen counts).

Methods

A total of 106 samples were collected using a two-stage cyclone sampler at five outdoor sampling locations (on top of 5 university buildings). The kinetic limulus amebocyte lysate assay was used to obtain (1→3)-β-D-glucan levels.

Results

Airborne (1→3)-β-D-glucan levels were significantly higher in the spring, particularly in April, and temperature was significantly related to (1→3)-β-D-glucan levels (r =0.339, p<0.05).

Conclusions

(1→3)-β-D-glucan levels may be highest in the spring, and outdoor temperature may influence (1→3)-β-D-glucan levels.

Summary

Citations

Citations to this article as recorded by

Limulus amoebocyte lysate test via an open-microcavity optical biosensor
Jonathan Scudder, Jing Yong Ye
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Original Articles

Changes in Air Temperature and Its Relation to Ambulance Transports Due to Heat Stroke in All 47 Prefectures of Japan: Shoko Murakami, Nobuyuki Miyatake, Noriko Sakano; J Prev Med Public Health. 2012;45(5):309-315. Published online September 28, 2012; DOI: https://doi.org/10.3961/jpmph.2012.45.5.309

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Abstract PDF

Objectives

Changes in air temperature and its relation to ambulance transports due to heat stroke in all 47 prefectures, in Japan were evaluated.

Methods

Data on air temperature were obtained from the Japanese Meteorological Agency. Data on ambulance transports due to heat stroke was directly obtained from the Fire and Disaster Management Agency, Japan. We also used the number of deaths due to heat stroke from the Ministry of Health, Labour and Welfare, Japan, and population data from the Ministry of Internal Affairs and Communications. Chronological changes in parameters of air temperature were analyzed. In addition, the relation between air temperature and ambulance transports due to heat stroke in August 2010 was also evaluated by using an ecological study.

Results

Positive and significant changes in the parameters of air temperature that is, the mean air temperature, mean of the highest air temperature, and mean of the lowest air temperature were noted in all 47 prefectures. In addition, changes in air temperature were accelerated when adjusted for observation years. Ambulance transports due to heat stroke was significantly correlated with air temperature in the ecological study. The highest air temperature was significantly linked to ambulance transports due to heat stroke, especially in elderly subjects.

Conclusions

Global warming was demonstrated in all 47 prefectures in Japan. In addition, the higher air temperature was closely associated with higher ambulance transports due to heat stroke in Japan.

Summary

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Determining the correlation between outdoor heatstroke incidence and climate elements in Daegu metropolitan city
Jung Ho Kim, Hyun Wook Ryoo, Sungbae Moon, Tae Chang Jang, Sang Chan Jin, You Ho Mun, Byung Soo Do, Sam Beom Lee, Jong-yeon Kim
Yeungnam University Journal of Medicine.2019; 36(3): 241. CrossRef
Spatial and Temporal Features of Heat Stroke Mortality in Japan and Their Relation to Temperature Variations, 1999–2014
FUJIBE Fumiaki, MATSUMOTO Jun, SUZUKI Hideto
Geographical review of Japan series B.2018; 91(1): 17. CrossRef
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Yukie Ito, Manabu Akahane, Tomoaki Imamura
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Correlation between suicide and meteorological parameters
Misuzu Kurokouchi, Nobuyuki Miyatake, Hiroshi Kinoshita, Naoko Tanaka, Tatsushige Fukunaga
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Xian Wu, Joanne E Brady, Henry Rosenberg, Guohua Li
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Lower air temperature is associated with ambulance transports and death in Takamatsu area, Japan
Kazumi Dokai Mochimasu, Nobuyuki Miyatake, Naoko Tanaka, Hiroshi Kinoshita
Environmental Health and Preventive Medicine.2014; 19(4): 253. CrossRef
Lower air temperature is associated with higher ambulance transports in Sakata area, Yamagata prefecture, Japan
Nobuyuki Miyatake, Tomohiro Hirao, Noriko Sakano, Naoko Tanaka, Hiroshi Kinoshita
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Combined Effect of Vibration Intensity, Grip Temperature, Noise and Pushing Power on Grip Forces and Skin Temperatures of Fingers.: Kyungsim Koh, B Griefahn, M Fritz, P Brode; Korean J Prev Med. 1994;27(4):763-776.

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Abstract PDF: Recent studies reveal that grip forces during the hand-arm vibration are most significant for the genesis of vibration-induced white finger syndrome. Therefore, exerted grip forces and skin temperatures or fingers were regarded as dependent variables in experiments and the effects of grip temperature, noise, pushing force, vibration and the combined effect of vibration and pushing force were studied. The objectives or the present study were, first, to varify and compare the changes of grip force affected by grip temperature, noise, pushing force, vibration and the combined effect of vibration and pushing force and, second, to observe the reaction of finger skin temperature affected by above factors. Forty-six healthy male students(25.07+/-2.85) participated in five systematically permuted trials, which endured 4 minutes each other. Experiments were executed in a special chamber with an air temperature of 21 C. In each experiments, the subjects were exposed to five experiment types: (l) grip force of 25 N only, (2) pushing force of 50 N, (3) acceleration of vibration 7.1m/sec2(z-direction), (4) pink noise or 95 dB(A) and (5) combination of pushing force 50 N and acceleration of vibration 7.1m/sec2. A repeated-measures analysis of variance(ANOVA) was performed on the grip force to test whether it was affected by noise, pushing force, vibration and pushing force. The present results show that vibration was significantly related to the increase of grip force, but the other factors, such as pushing force, noise and grip temperature had no significant influence on the increase of grip force and that the reaction of finger skin temperature were significantly affected by the skin temperature at start of experiment and grip temperature, not grip force and other experimental conditions. Therefore, we suggest that the management for decreasing the grip force is meaningful to prevent the occurrence of Hand-arm vibration syndrome (HAVS).; Summary

A Study on Experiments the Environmental Conditions and the Adaptation of the Human Body in the Vinyl House.: Bu Ja Shim; Korean J Prev Med. 1994;27(1):59-73.

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Abstract PDF: The purpose of this study is to experiments the environmental conditions and the adaption of the human body in the vinyl house. The study was done in spring and winter and experimental clothes were used working clothes in the vinyl house. The results are as follows. 1. Environmental conditions; In the spring season, the indoor air temperature was 27.4+/-3.7 degrees C and the outdoor air temperature was 14.4+/-2.7 degrees C. In the winter season, the indoor air temperature was 18.3+/-4.8 degrees C and the outdoor air temperature was 7.6+/-2.5 degrees C on the average. 2. Skin Temperature; In the spring season, the mean skin temperatures indoor and outdoor were 33.81+/-0.7 degrees C and 31.57+/-0.8 degrees C respectively, a difference of 2.24 degrees C. In the winter season, they were 31.95+/-1.93 degrees C and 29.86+/-0.55 degrees C respectively, a difference of 2.09 degrees C. 3. Clothing climate; In the spring season, the temperature and humidity in the inner layer of clothing were 34.77+/-0.80 degrees C and 70.75+/-1.65% and indoor, 31.9+/-0.52 degrees C and 51.9+/-3.70% outdoor respectively. In the winter season, those were 32.52+/-1.04 degrees C and 64.65+/-3.68% indoor, 30.27+/-0.96 degrees C and 45.07+/-2.68% outdoor respectively. 4. Physiological Factors; Body temperature increased slightly and the pulse rate also rises, but blood pressure decreased a little with the rise of environmental temperature both in the spring and winter seasons. 5. Psychological Factors; Thermal sensation in the spring season was expressed as "slightly larm" or "warm" indoor and as "neutral" in the open air, while in the winter it was expressed as "neutral" or "slightly warm" outdoor the house and as "cold" in the open air. Comfort sensation was characterized as "uncomfortable" or "slightly uncomfortable" indoor both in the spring and winter seasons, but in the open air it was characterized as "comfortable" in the spring and as "slightly uncomfortable" in the winter.; Summary

Change of Skin Temperature of Workers Using Vibrating Tools in Anthracite Mines.: Jaehoon Roh, Young Hahn Moon, Dongchun Shin, Bong Suk Cha, Soo Nam Cho; Korean J Prev Med. 1988;21(2):357-364.

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Abstract PDF: By implementing epoch-making policies for industrial promotion, the national economy has made a remarkable development. As a result of such economic growth, industrial accidents and occupational diseases have become a serious problem in Korean society. In the presidential order for the execution of the Korean Labor Standard Law, neuritis and other diseases stemming from health impairments due to vibrations in industrial processes are designated to be dealt with as vibration diseases. In the case of vibration disease, industrial accident compensation is not effectively paid. In order to investigate the vibration hazards of rock-drill operation, the authors studied the subjective symptoms and performed physical function tests on a total of 79 persons (vibration exposed group) who used rock-drills, and 39 persons (control group) who did not use rock-drills at anthracite mines. The results of the physical function test were as follows : 1. The right hand was more affected by white finger than the left hand. 2. Independent variables such as duration of rock-drill operation, age, drinking and smoking were identified as statistically significant factors for the occurrence of white finger. 3. In the pain sense threshold, the group with Raynaud's phenomenon showed a statistically higher level than that of the control group. 4. The skin temperature of the group with Raynaud's phenomenon was lower than that of the control group. The recovery time of skin temperature after cooling was delayed compared with the value of the control group.; Summary

Research Support, Non-U.S. Gov't

Influencing Facotrs that Affect the Biological Monitoring of Workers Exposed to N,N-Dimethylformamide in Textile Coating Factories.: In Sung Chung, Jon Ghan Kim, Sang Kug Choi, Jong Youn Bae, Mi Young Lee; J Prev Med Public Health. 2006;39(2):171-176.

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Abstract PDF: OBJECTIVES
The objective of this study is to assess the factors influencing biological monitoring of textile coating factory workers exposed to N,N-dimethylformamide(DMF). METHODS: We studied 35 workers who were occupationally exposed to DMF from 9 textile coating factories. The study was carried out in two phases; summer and winter. While air concentration of DMF, temperature and humidity were assessed in order to monitor the atmospheric conditions, biological monitoring was done to determine the internal dose by analyzing the N-methylformamide(NMF) collected from urine at the beginning and end of the shift. Questionnaires and medical surveillance were also obtained during the two phases. RESULTS: Median air concentrations of DMF in winter and summer were 1.85 ppm and 2.78 ppm respectively. Also the difference between the urinary NMF concentration at the beginning and end of the shift (deltaNMF) was always significant in each season (P<0.001). The correlations between log DMF in air, log end-of-shift urinary NMF (r=0.555, P<0.001) and log deltaNMF (r=0.444, P<0.001) was statistically significant in summer. The temperature, humidity, a shift system and different styles of clothing worn were significantly different during the two phases. In a multivariate analysis, temperature and the concentration of DMF in the air were the main factors influencing biological monitoring of textile coating factory workers. CONCLUSIONS: Concerning more comprehensive prevention measures to reduce exposure for those workers occupationally exposed to DMF, dermal exposure conditions such as temperature and humidity together with the air concentration of DMF should be assessed and biological monitoring is necessary to reduce adverse health effects, especially during the summer.; Summary

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