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Iranian Journal of Reproductive Medicine
Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences of Yazd
ISSN: 1680-6433
EISSN: 2008-2177
Vol. 10, No. 4, 2012, pp. 303-306
Bioline Code: rm12043
Full paper language: English
Document type: Research Article
Document available free of charge

Iranian Journal of Reproductive Medicine, Vol. 10, No. 4, 2012, pp. 303-306

 en Evaluation of serum creatine phosphokinase in diagnosis of tubal ectopic pregnancy compared with intrauterine pregnancy and threatened abortion
Asgharnia, Maryam; Faraji, Roya; Mirblouk, Fariba; Roshan, Zahra Atrkar & Parvizi, Ayda

Abstract

Background: Vaginal sonograghy and serial β-hCG are the most common diagnostic methods for ectopic pregnancy but about 50% of cases are initially misdiagnosed. In tubal pregnancy the zygote lies next to the muscular layer, and this invasion causes an increase in creatine phosphokinase (CPK) in blood.
Objective: assessment of CPK and its isoenzyme CPK-MB as a diagnostic marker for tubal pregnancy.
Materials and Methods: In this case-control study, 111 women between 16-40 years in first-trimester pregnancy admitted to emergency ward of Rasht Alzahra hospital with abdominal pain or vaginal bleeding were included and according to sonography and βhCG divided into 3 groups (N=37): tubal pregnancy (1), threatened abortion (2) and normal pregnancy (3). Blood samples were taken for totalCPK and CPK-MB before any invasive procedure.
Results: Mean total CPK level were 96.27±63.9 u/lit (group 1), 55.37±14.1 u/lit (group 2) and 48.94±19.2 u/lit (group 3) and was significantly higher in tubal pregnancy compared to other groups. Mean CPK-MB levels in 3 groups were 15.62±5.2 u/lit, 17.32±6.9 u/lit, and 15.1±4.7 u/lit, respectively which was not significant.
Conclusion: It seems that determination of total CPK can enhance the diagnostic value of tubal pregnancy.

Keywords
Creatine phosphokinase, Tubal ectopic pregnancy, Threatened abortion, Intrautine pregnancy.

 
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Alternative site location: http://www.ijrm.ir

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