Abstract
To investigate the possible effect of preeclampsia on erythropoietin metabolism, we measured plasma and urine erythropoietin concentrations and complete blood count in 19 women with preeclampsia and nine healthy gravidas. Hemoglobin concentration and hematocrit values in the preeclamptic patients did not differ significantly from those of the normal pregnant controls. However, the plasma erythropoietin concentration tended to be higher in the preeclamptic group than in the normal pregnant controls (26.9 +/- 31.2 versus 11.2 +/- 9.9 mU/mL), though the difference was not statistically significant. Plasma erythropoietin concentration correlated negatively with both hemoglobin concentration and hematocrit (r = -0.85, P less than .01). The pattern and magnitude of the erythropoietin response to anemia paralleled that previously reported in individuals with iron deficiency anemia. No significant correlation was found between urinary erythropoietin excretion and blood pressure, qualitative albumin excretion, hematocrit, hemoglobin concentration, or plasma erythropoietin concentration. Based on our results, the erythropoietin response to anemia appears to be intact in preeclampsia, at least in the absence of renal failure.
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