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The generalizability of our findings is also limited by the age distribution of the participants in the included studies. Finally, all included studies only included men or only provided results in men, which limits the generalizability of our findings. This limited our possibilities to perform meta-analyses on all associations of interest and to perform stratification analyses. Despite the extensive literature search, the number of studies included in this systematic review and meta-analysis was low.
As scientists explore deeper into this connection, we may gain valuable insights that could help in the prevention and management of kidney diseases, ultimately improving the overall well-being of individuals around the world. While it is clear that testosterone plays a role in various aspects of kidney health, many questions remain unanswered. In adults, there is also gender disparity in the progression of CKD, with a higher rate of end-stage kidney disease in men. This comprehensive article delves into the intriguing relationship between testosterone and kidney health, exploring the various facets of this connection.
This patient represents an index case to establish the importance of sex hormone status within the setting of CKD. A strength of our case report is the fact that renal function was measured using both cystatin C and creatinine, thereby excluding the likelihood that changes in the tubular secretion of creatinine were responsible for the observed increase in renal retention parameters.20 The weight of the patient did not change, making changes in muscle mass unlikely. Furthermore, this implies that testosterone may be a key contributor to the observed gender differences in CKD progression and the development of acute kidney injury. However, renal function did not return to baseline after re-exposure. The pathophysiology of this effect appears to be attributable to testosterone-mediated changes in intrarenal hemodynamic parameters. Representative figures from computed tomography perfusion imaging (a and c) and corresponding blood flow maps (b and d) with regions of interest drawn over the medulla (green) and cortex (magenta) before (a and b) and after (c and d) testosterone. Following artery region of interest selection, functional maps were computed for blood flow (BF), blood volume, mean transit time (a marker of blood flow over time), permeability surface area product, and contrast appearance time.
Additionally, we investigated the association of testosterone, its precursors, its active metabolites, and its supplementation with clinical outcomes in patients with CKD. This phenomenon is often referred to as the ‘CKD paradox’ (2, 3), and differences in sex hormones between men and women might underlie these existing sex differences (3, 4, 5). As such, our study highlights the importance of considering sex-specific causes and treatments for CKD and raises the question as to whether any causes of CKD specific to women exist.
They do this by balancing calcium and phosphorus levels and by activating vitamin D. Renin starts a chain reaction that helps narrow blood vessels and raise blood pressure when it is too low. Besides salt and water, the kidneys also regulate electrolytes like potassium, calcium, magnesium, and phosphorus.

Gender: Female