The impact of climate factors on the prevalence of urolithiasis in Northern Taiwan

Lin, Kuo-Jen; Lin, Pyng Jing; Chu, Shih-Ming; Chen, Hsiao‐Wen; Wang, Ta-Min; Chiang, Yang‐Jen; Liu, Kuan-Lin; Wang, Hsu-Han

doi:10.4103/2319-4170.117888

Cited by 24 publications

(26 citation statements)

References 27 publications

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“…These data are similar to facts reported in other international studies [1,3,6,7,8,9,16]. Therefore, it seems that higher temperatures affect the incidence of a higher number of RC cases, although this correlation cannot be interpreted as strong.…”

Section: Discussionsupporting

confidence: 80%

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Epidemiological Characteristics of Renal Colic and Climate-Related Causes in a Continental Area in Spain

Delgado

López-Izquierdo

Sesmero³

et al. 2015

Urol Int

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Purpose: The aim of this study was to analyze the incidence of renal colic (RC) in a northwestern area of Spain and its relationship with seasonal and meteorological characteristics. Materials and Methods: We examined 700,257 cases that presented at the emergency room (ER) between 2005 and 2013. We reviewed data such as age, gender, arrival at ER, tests performed and destination after ER. Monthly data regarding temperature, humidity and hours of daylight were taken into account. The Student t-test, the Mann-Whitney test and the Chi-square test were used for the statistical analysis. RC visits were correlated with meteorological characteristics using the Pearson correlation coefficients. Results: A total of 9,330 cases were diagnosed as RC episodes (1.41% of total cases presented). The age range was 14-100 years and mean age was 47 years. Prevalence in men was higher (55.6%) than in women (44.4%). After the seasonal decomposition analysis by month, a significant increase in RC incidence was observed in the months of June, July, August and December (107-114%). There is a statistically significant correlation between mean monthly temperature and RC visit rate (R 0.33, p < 0.001). Conclusion: The incidence of RC in our region is slightly higher than the one described in the literature. A significant increase in RCs is observed in the summer months, as well as a significant correlation between incidence and temperature.

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Section: Discussionsupporting

confidence: 80%

“…There are several international studies that support this fact [6,7,8,9,10,11,12,13]. A similar study was conducted and published with respect to a different area in Spain; however, the number of cases is much lower than the one presented in this paper [1].…”

Section: Introductioncontrasting

confidence: 46%

Epidemiological Characteristics of Renal Colic and Climate-Related Causes in a Continental Area in Spain

Delgado

López-Izquierdo

Sesmero³

et al. 2015

Urol Int

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“…A total of 25 articles are included in this literature search, and their main outcome/s is/are summarized in Table 4 according to the year of publication. [ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 ] The majority of the studies were retrospective. Only six studies investigated the potential association between the stone chemical composition and ambient temperature.…”

Section: Resultsmentioning

confidence: 99%

Nephrolithiasis, stone composition, meteorology, and seasons in Malta: Is there any connection?

et al. 2016

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Context:The effect of seasons and meteorology on the incidence of nephrolithiasis has been studied in various regions around the globe, but seldom in the Mediterranean.Aims:This retrospective analysis aims at investigating these putative effects in the Maltese Islands, whose climate is typically Mediterranean, followed by a systematic review of the literature.Materials and Methods:Submission rate and chemical composition of all kidney stones after spontaneous passage or surgical removal between January 2009 and December 2011 were analyzed according to seasons and corresponding meteorology.Results:A total of 389 stones were analyzed. A higher stone submission rate was observed in summer compared to winter (31.6% vs. 20.8%, P = 0.0008) and in the warm period compared to the cold period (57.1% vs. 42.9%, P = 0.0001). Significant correlation was established between the monthly number of stones and mean monthly maximum temperature (r = 0.50, P = 0.002), mean monthly temperature (r = 0.49, P = 0.003) and mean monthly Humidex (r = 0.49, P = 0.007). Humidex was found to be an independent predictor for stone submission (β = 0.49, P = 0.007). The majority of stones contained calcium (83.3%), combined with oxalate (77.6%), phosphate (14.7%), and carbonate (2.8%). Some stones (11.8%) contained a mixture of >1 negatively charged molecules. Urate (11.6%), cysteine (4.6%), and ammonium-magnesium-phosphate (0.5%) constituted the rest. There was no association between chemical composition and seasons. Literature review included 25 articles. Higher ambient temperature and warm seasons were the most commonly encountered risk factors for both presentation and etiology of nephrolithiasis.Conclusions:A significant positive correlation was noted between ambient temperature and stone submission rate, which was significantly higher during the warm months in Malta.

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“…The reasons for this are likely similar to those for respiratory virus, that environmental conditions influence virus survival. Urolithiasis (kidney stones) has also been linked (inversely) to relative humidity in a few studies (Lin et al, 2014;Mohit et al, 2014).…”

Section: Humidity and Gastrointestinal And Urologic Illnessmentioning

confidence: 99%

Humidity: A review and primer on atmospheric moisture and human health

Davis

McGregor

Enfield

2016

Environmental Research

329

208

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Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. cases when the proximity to saturation is not medically relevant. Care must be taken in averaging certain humidity variables daily or seasonally to avoid statistical biasing associated with variables that are inherently diurnal through their relationship to temperature.

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The impact of climate factors on the prevalence of urolithiasis in Northern Taiwan

Abstract: Temperature and atmospheric pressure are associated with monthly ESWL number. Ambient temperature is the most important climate factor affecting the prevalence of urolithiasis in northern Taiwan.

Cited by 24 publications

References 27 publications

Epidemiological Characteristics of Renal Colic and Climate-Related Causes in a Continental Area in Spain

Epidemiological Characteristics of Renal Colic and Climate-Related Causes in a Continental Area in Spain

Nephrolithiasis, stone composition, meteorology, and seasons in Malta: Is there any connection?

Humidity: A review and primer on atmospheric moisture and human health

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