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Semen quality in men with chronic kidney disease and its correlation with chronic kidney disease stages
1Department of Medicine, Karolinska Institute and Centre for Andrology and Sexual Medicine, Karolinska University Hospital, Huddinge, Sweden.
Insights
Chronic kidney disease (CKD) negatively impacts male semen quality, affecting volume, motility, and sperm count. Higher CKD stages correlate with poorer semen parameters, independent of age and BMI.
Area of Science:
- Nephrology
- Andrology
- Reproductive Medicine
Background:
- Chronic kidney disease (CKD) affects multiple organ systems.
- The impact of CKD on male reproductive health, specifically semen quality, requires further investigation.
Purpose of the Study:
- To evaluate the association between different stages of chronic kidney disease (CKD) and semen quality parameters in adult men.
- To determine the independent effects of CKD stage, age, and body mass index (BMI) on male fertility markers.
Main Methods:
- Cross-sectional study involving 66 men aged 18-50 with CKD stages 1-5.
- Analysis of semen parameters including volume, sperm concentration, motility, morphology, and accessory gland markers.
- Statistical assessment of correlations between CKD stage, age, BMI, and semen quality outcomes.
Main Results:
- Higher CKD stages showed significant negative trends in semen volume, progressive and nonprogressive motility, sperm concentration, total sperm number, and accessory gland markers (α-glucosidase, zinc, fructose).
- Body mass index (BMI) did not significantly affect most semen parameters but correlated negatively with sex-hormone-binding globulin (SHBG).
- Age was associated with decreased sperm concentration, normal morphology, and testosterone levels.
Conclusions:
- CKD stage is a significant independent factor influencing sperm availability for ejaculation.
- The detrimental effects of CKD on semen quality are partly independent of age-related hormonal changes and BMI.
Abstract:
The aim of this study was to assess whether chronic kidney disease (CKD) has any impact on semen quality parameters in men with CKD stage 1-5. Results were collected from 66 men with different CKD stages (age 18-50 years). Age and BMI (body mass index) were recorded for each male. Higher CKD stage had a significant negative linear trend on semen volume (P < 0.05), progressive motility (P < 0.01), nonprogressive motility (P < 0.001), sperm concentration (P < 0.01), total sperm number (P < 0.01), cytoplasmic droplets (P < 0.01), teratozoospermia index (P < 0.05) and accessory gland markers, α-glucosidase activity (P < 0.05), zinc (P < 0.01) and fructose (P < 0.01). BMI per se had no significant effect on semen volume, sperm number, sperm concentration, morphology, α-glucosidase activity, fructose concentration or zinc level. A significant negative correlation between BMI and sexual-hormone-binding globulin (SHBG) (P < 0.01) was observed but not with other sex hormones. Age per se was related to a significant decrease of sperm concentration (P < 0.05), normal forms (P < 0.01) and testosterone level (P < 0.05). Our results indicate that CKD stage per se is a factor determining the number of spermatozoa available in the epididymis for ejaculation, in part independent of age-related decrease of testosterone level and BMI.
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