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Ambient Temperature and Risk of Renal Colic: A Systematic Review and Meta-analysis.
Hoimonty Mazumder1, Easter Protiva Gain1, Monir Hossain Shimul2
1Division of Epidemiology, Biostatistics, and Environmental Health; School of Public Health, The University of Memphis, Memphis, TN.
Kidney Medicine
|January 14, 2026
Summary
Extreme heat increases renal colic risk by 2.4% per degree Celsius. This study synthesizes evidence on ambient temperature and kidney stone conditions, highlighting potential public health impacts.
Area of Science:
- Environmental Health
- Nephrology
- Epidemiology
Background:
- Extreme ambient temperatures are linked to various health issues, including cardiovascular and kidney diseases.
- Existing literature lacks comprehensive evidence on the association between ambient temperature and renal colic.
Purpose of the Study:
- To conduct a systematic review and meta-analysis of epidemiological studies on ambient temperature and renal colic.
- To synthesize evidence on the risk of renal colic associated with daily ambient temperature variations.
Main Methods:
- Systematic review and random-effects meta-analysis of epidemiological studies.
- Searches conducted in PubMed, Scopus, CINAHL complete, and Web of Sciences up to June 4, 2024.
- Included studies with confirmed renal colic cases and daily ambient temperature as exposure.
Main Results:
- A 2.4% higher risk of renal colic was observed for each 1°C increase in daily ambient temperature (RR, 1.024).
- High heterogeneity was noted across studies (I² = 99.7%).
- A trend for increased renal colic risk with lower ambient temperatures was observed but was not statistically significant.
Conclusions:
- Elevated daily ambient temperature is associated with an increased risk of renal colic.
- Findings suggest a potential adverse effect of high ambient temperatures on kidney function.
- Further research may be needed to address heterogeneity and publication bias.
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