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  • Title: Effect of recombinant human erythropoietin therapy on ambulatory blood pressure in normotensive and in untreated borderline hypertensive hemodialysis patients.
    Author: Lebel M, Kingma I, Grose JH, Langlois S.
    Journal: Am J Hypertens; 1995 Jun; 8(6):545-51. PubMed ID: 7662237.
    Abstract:
    The effect of recombinant human erythropoietin (r-HuEPO) on ambulatory blood pressure (ABP) was studied in 13 anemic hemodialysis patients. Eight patients were normotensive and five patients had untreated borderline systolic hypertension. Mean hemoglobin increased from 82 +/- 3 g/L to 114 +/- 3 g/L (P < .01) after 3 to 4 months of r-HuEPO therapy (30 to 40 U/kg) administered subcutaneously three times weekly. Mean 24-h systolic and diastolic ABP measurements were significantly increased by 16 +/- 4 mm Hg and 10 +/- 2 mm Hg, respectively (P < .01 for both). Blood pressure was increased in all but one patient. In six patients, the mean 24-h systolic and diastolic ABP measurements were more than 160 mm Hg or 90 mm Hg at the end of the study. The increase in ABP was slightly but not significantly greater during the waking period as compared with the sleeping period and the circadian blood pressure pattern was not modified by r-HuEPO treatment. The blood pressure load (percentage of ABP reading exceeding 140/90 mm Hg during the waking period and 120/90 mm Hg during the sleeping period) was significantly increased (P < .05) after r-HuEPO therapy. Nine of the 13 patients failed to show the expected reduction in blood pressure during the sleeping period and were defined as "nondippers"; the others were defined as "dippers." During r-HuEPO therapy, the increase in ABP was similar in both dippers and nondippers. This suggests that the nondipper condition is not a risk factor for the development of hypertension during r-HuEPO therapy.(ABSTRACT TRUNCATED AT 250 WORDS)
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