Failure of creatine kinase to predict ectopic pregnancy

Fertility and Sterility
J KorhonenP Ylöstalo

Abstract

To investigate serum creatine kinase (CK) levels in pregnant women with ectopic pregnancy (EP), spontaneous abortion, and normal pregnancy with comparable serum hCG concentrations. A retrospective, case-controlled study. Helsinki University Central Hospital, Helsinki, Finland. Forty-four patients with a suspicion of EP of which 15 had laparoscopically confirmed tubal pregnancies; 15 had a spontaneous abortion, a blighted ovum, or a missed abortion; and 14 patients a normal intrauterine pregnancy. The diagnosis was made by transvaginal sonography and serum hCG determinations either at admission or after repeated examinations. Ectopic pregnancy was confirmed and treated by laparoscopy. Serum CK and hCG levels. No significant differences in CK levels were observed between the groups by one-way analysis of variance and no correlation was found between serum CK and hCG levels within any group. Creatine kinase does not appear to be useful in the diagnosis of early EP.

Citations

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