Abstract
Nowadays, there is confusing evidence in the literature regarding the association between seasonal variations and events of testicular torsion (TT). We attempted to assess the correlation between seasonal variations, including season, ambient temperatures, and humidity levels to onset and laterality of testicular torsion. We conducted a retrospective review of patients diagnosed with testicular torsion and confirmed surgically between January 2009 and December 2019, at Hillel Yaffe Medical Center. Weather data was collected from meteorological observation stations near the hospital. TT incidents were stratified into five temperature categories (< 15 °C, 15–20 °C, 20–25 °C, 25–30 °C, > 30 °C) and into two categories of humidity (≤ 50%, > 50%). Potential associations between TT and seasonal variations were investigated. Of 235 patients diagnosed with TT, 156 (66%) were children and adolescents and 79 (34%) were adults. In both groups, rate of TT incidents increased in winter and fall months. Significant correlation between TT and temperatures below 15 °C was observed in both groups; OR 3.3 [95% IC 1.54–7.07], p = 0.002 in children and adolescents and 3.77 [1.79–7.94], p < 0.001) in adults. The correlation between TT and humidity was non-significant in both groups. Among children and adolescents left-sided TT was observed in most of the cases, with strong correlation to lower temperatures; OR 3.15 [1.34–7.40], p = 0.008. Higher rates of acute TT were observed in patients admitted to the emergency department (ED) during the cold seasons in Israel. Significant association was observed between left-side TT and temperatures below 15 °C in the children and adolescents’ group. Our findings suggest that there might be a predilection for TT occurrence in cold weather, particularly left-side laterality among children and adolescents.
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This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Hillel Yaffe Medical Center.
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Rub, R., Lidawi, G., Laukhtina, E. et al. Impact of seasonal variations on incidence and laterality of testicular torsion. Int J Biometeorol 67, 857–863 (2023). https://doi.org/10.1007/s00484-023-02460-0
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DOI: https://doi.org/10.1007/s00484-023-02460-0