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ABSTRACT: Correction of anemia in long-term hemodialysis patients by recombinant human erythropoietin (r-HuEPO) has been reported to improve sexual function. As elevated serum prolactin levels are believed to contribute to altered sexual function in uremia, we followed serum prolactin and testosterone levels during four months of r-HuEPO therapy. Within these four months, hematocrit values rose from 23.7 +/- 1.2 to 35.7 +/- 0.2% and hemoglobin from 7.3 +/- 0.3 to 11.3 +/- 0.4 g/100 ml. In parallel, serum prolactin values decreased significantly, from 66.9 +/- 9.3 to 9.6 +/- 2.6 ng/ml in females and from 39.5 +/- 10.5 to 10.3 +/- 1.0 ng/ml in male dialysis patients. Testosterone concentrations were in the lower normal range in male patients and remained unchanged during r-HuEPO therapy. Sexual function improved in four out of seven males, and five out of nine female patients started to have regular menstruations again. It appears that treatment of anemia in end-stage renal disease by r-HuEPO may improve sexual function by lowering elevated serum prolactin concentrations.
The International journal of artificial organs 08/1989; 12(7):445-9. · 1.86 Impact Factor
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ABSTRACT: As it was reported that correction of anemia in long-term hemodialysis patients by recombinant human erythropoietin (r-HuEPO) is associated with improved sexual function, we conducted the present study to further delineate the mechanism(s) by which this is brought about. Serum prolactin, testosterone, and parathyroid hormone (PTH) levels were followed during 4 months of r-HuEPO therapy. Within 4 months of treatment with r-HuEPO, hematocrit values rose from 23.7 +/- 1.2 to 35.7 +/- 0.2% and hemoglobin increased from 7.3 +/- 0.3 to 11.3 +/- 0.4 g/100 ml. In parallel, serum prolactin values decreased significantly from 66.9 +/- 9.3 to 9.6 +/- 2.6 ng/ml in females and from 39.5 +/- 10.5 to 10.3 +/- 1.0 ng/ml in male dialysis patients. Testosterone concentrations were low in male patients and remained unchanged during r-HuEPO therapy. Baseline PTH values were elevated (1,880 +/- 220 pg/ml) in patients of both sexes and declined to 1,410 +/- 180 pg/ml during treatment with r-HuEPO. However, this difference did not reach statistical significance. Sexual function improved in 4 out of 7 males and 5 out of 9 female patients began to menstruate regularly again. It appears that treatment of anemia in end-stage renal disease by r-HuEPO improves sexual function via normalization of elevated serum prolactin concentrations.
Clinical nephrology 02/1989; 31(1):1-5. · 1.17 Impact Factor
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Contributions to nephrology 02/1989; 76:273-81; discussion 281-2. · 1.49 Impact Factor
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Nephron 02/1988; 50(4):400-1. · 13.26 Impact Factor
