Chronic noise exposure and testosterone deficiency -- meta-analysis and meta-regression of experimental studies in rodents

Endokrynologia Polska
Angel Mario Dzhambov, Donka Dimitrova

Abstract

Chronic psychological distress can cause suppression of the hypothalamic-pituitary-testicular axis and thus lead to male hypogonadism, which is associated with psycho-social dysfunction, chronic diseases, and as a result, considerable economic costs. Conversely, noise is a prototypal environmental stressor of growing importance, already linked to birth outcomes and diabetes. However, its effects on male testosterone levels have been paid little attention. This paper reports a systematic review and meta-analysis of experimental studies in rodents, which have examined the effect of chronic noise stress on serum testosterone levels. A systematic search in MEDLINE, EMBASE and the Internet yielded seven studies. A quality effects meta-analytical model was applied to compute pooled Hedges's g. Quality effects meta-regression was carried out as well. We found pooled Hedges's g of -2.41 (95% CI: -3.28, -1.54), indicating a very large effect of noise exposure on testosterone. Metaregression confirmed that the overall duration of exposure explained a significant proportion of the variance across individual effect sizes (Q (1) = 3.95, p = 0.047). However, there was considerable inter-study heterogeneity (I2 = 82%) and publication bias (p ...Continue Reading

Citations

Aug 11, 2021·Stress : the International Journal on the Biology of Stress·Alice K SchaackEva E Redei

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