Volume 10, Issue 4 (8-2012)                   IJRM 2012, 10(4): 303-306 | Back to browse issues page

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Asgharnia M, Faraji R, Mirblouk F, Atrkar Roshan Z, Parvizi A. Evaluation of serum creatine phosphokinase in diagnosis of tubal ectopic pregnancy compared with intrauterine pregnancy and threatened abortion. IJRM 2012; 10 (4) :303-306
URL: http://ijrm.ir/article-1-301-en.html
Evaluation of serum creatine phosphokinase in diagnosis of tubal ectopic pregnancy compared with intrauterine pregnancy and threatened abortion
Maryam Asgharnia1 , Roya Faraji * 2, Fariba Mirblouk1 , Zahra Atrkar Roshan3 , Ayda Parvizi1
1- Reproductive Health Research Center, Department of Obstetrics and Gynecology, Guilan University of Medical Sciences, Guilan, Iran
2- Reproductive Health Research Center, Department of Obstetrics and Gynecology, Guilan University of Medical Sciences, Guilan, Iran , royafaraji1371@yahoo.com
3- Department of Biostatistics, Guilan University of Medical Sciences, Guilan, Iran
Abstract:   (2620 Views)
Background: Vaginal sonograghy and serial -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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Type of Study: Original Article |
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