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Low Serum Testosterone Is Associated with Increased Mortality in Men with Stage 3 or Greater Nephropathy

  • Background: Chronic kidney disease (CKD) and low serum total testosterone (TT) concentrations are independent predictors of mortality risk in the general population, but their combined potential for improved mortality risk stratification is unknown. Methods: We used data of 1,822 men from the population-based Study of Health in Pomerania followed- up for 9.9 years (median). The direct effects of kidney dysfunction (estimated glomerular filtration rate <60 ml/min/ 1.73 m<sup>2</sup>), albuminuria (urinary albumin-creatinine ratio ≧2.5 mg/mmol) and their combination (CKD) on all-cause and cardiovascular mortality were analyzed using multivariable Cox regression models. Serum TT concentrations below the age-specific 10th percentile (by decades) were considered low and were used for further risk stratification. Results: Kidney dysfunction (hazard ratio, HR, 1.40; 95% confidence interval, CI, 1.02–1.92), albuminuria (HR, 1.38; 95% CI, 1.06–1.79), and CKD (HR, 1.42; 95% CI, 1.09–1.84) were associated with increased all-cause mortality risk, while only kidney dysfunction (HR, 2.01; 95% CI, 1.21–3.34) was associated with increased cardiovascular mortality risk after multivariable adjustment. Men with kidney dysfunction and low TT concentrations were identified as high-risk individuals showing a more than 2-fold increased all-cause mortality risk (HR, 2.52; 95% CI, 1.08–5.85). Added to multivariable models, nonsignificant interaction terms suggest that kidney dysfunction and low TT are primarily additive rather than synergistic mortality risk factors. Conclusion: In the case of early loss of kidney function, measured TT concentrations might help to detect high-risk individuals for potential therapeutic interventions and to improve mortality risk assessment and outcome.

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Metadaten
Author: Robin Haring, Matthias Nauck, Henry Völzke, Karlhans Endlich, Uwe Lendeckel, Nele Friedrich, Marcus Dörr, Rainer Rettig, Heyo K. Kroemer, Henri Wallaschofski
URN:urn:nbn:de:gbv:9-opus-31537
DOI:https://doi.org/10.1159/000324562
ISSN:0250-8095
ISSN:1421-9670
Pubmed Id:https://pubmed.ncbi.nlm.nih.gov/21335966
Parent Title (English):American Journal of Nephrology
Publisher:S. Karger AG
Place of publication:Basel, Switzerland
Document Type:Article
Language:English
Date of first Publication:2011/02/18
Release Date:2020/09/29
Tag:Albuminuria; Estimated glomerular filtration rate; Kidney disease; The Study of Health in Pomerania; Total testosterone
GND Keyword:-
Volume:33
Issue:3
First Page:209
Last Page:217
Faculties:Universitätsmedizin / Institut für Pharmakologie
Licence (German):License LogoUrheberrechtlich geschützt