Association with meteo-climatological factors and daily emergency visits for renal colic and urinary calculi in Cuneo, Italy. A retrospective observational study, 2007–2010

The incidence of nephrolithiasis is rising worldwide, especially in women and with increasing age. Incidence and prevalence of kidney stones are affected by genetic, nutritional, and environmental factors. The aim of this study is to investigate the link between various meteorological factors (indep...

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Bibliographic Details
Published in:	International journal of biometeorology Vol. 59; no. 3; pp. 249 - 263
Main Authors:	Condemi, Vincenzo, Gestro, Massimo, Dozio, Elena, Tartaglino, Bruno, Corsi Romanelli, Massimiliano Marco, Solimene, Umberto, Meco, Roberto
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer-Verlag 01-03-2015 Springer Berlin Heidelberg Springer Nature B.V
Subjects:	Adolescent Adult Aged Animal Physiology bioclimatology Biological and Medical Physics Biometeorology Biophysics Child Child, Preschool Climate colic confidence interval dose response Dose-response effects Earth and Environmental Science Emergency Service, Hospital - statistics & numerical data Environment Environmental factors Environmental Health Female Females Humans Humidity Infant Infant, Newborn Italy - epidemiology Kidney stones Male meteorological parameters Meteorology Middle Aged nonlinear models Observational studies Plant Physiology Rain regression analysis relative risk renal calculi Renal Colic - epidemiology Retrospective Studies Review Paper Risk Studies Temperature Urinary Calculi - epidemiology women Young Adult Italy MED, Italy Biometeorology Urinary calculi Emergency department visits Temperature Preventive medicine Renal colic
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Summary:	The incidence of nephrolithiasis is rising worldwide, especially in women and with increasing age. Incidence and prevalence of kidney stones are affected by genetic, nutritional, and environmental factors. The aim of this study is to investigate the link between various meteorological factors (independent variables) and the daily number of visits to the Emergency Department (ED of the S. Croce and Carle Hospital of Cuneo for renal colic (RC) and urinary stones (UC) as the dependent variable over the years 2007–2010.The Poisson generalized regression models (PGAMs) have been used in different progressive ways. The results of PGAMs (stage 1) adjusted for seasonal and calendar factors confirmed a significant correlation (p < 0.03) with the thermal parameter. Evaluation of the dose–response effect [PGAMs combined with distributed lags nonlinear models (DLNMs)—stage 2], expressed in terms of relative risk (RR) and cumulative relative risk (RRC), indicated a relative significant effect up to 15 lag days of lag (RR > 1), with a first peak after 5 days (lag ranges 0–1, 0–3, and 0–5) and a second weak peak observed along the 5–15 lag range days. The estimated RR for females was significant, mainly in the second and fourth age group considered (19–44 and >65 years): RR for total ED visits 1.27, confidence interval (CI) 1.11–1.46 (lag 0–5 days); RR 1.42, CI 1.01–2.01 (lag 0–10 days); and RR 1.35, CI 1.09–1.68 (lag 0–15 days). The research also indicated a moderate involvement of the thermal factor in the onset of RC caused by UC, exclusively in the female sex. Further studies will be necessary to confirm these results.
Bibliography:	http://dx.doi.org/10.1007/s00484-014-0861-1 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0020-7128 1432-1254
DOI:	10.1007/s00484-014-0861-1