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Published on: June 29, 2013
Predictive value of mid-trimester amniotic fluid high-sensitive C-reactive protein, ferritin, and lactate
Sedigheh Borna1, Alireza Abdollahi, Fatemeh Mirzaei
1Department of Gynecology and Obstetrics, Tehran University/ Medical of Science, Iran.
Background:
Fetal growth restriction (FGR) is surprisingly common with placental dysfunction occurring in about 3% of pregnancies and despite advances in obstetric care, FGR remains a major problem in developed countries.
Aim:
The purpose of this study is to find out the predictive value of amniotic fluid high sensitive C-reactive protein (hs-CRP), ferritin, and lactate dehydrogenase (LDH) for FGR.
Materials And Methods:
This prospective strategy of this study has been conducted on pregnant women who underwent genetic amniocentesis between 15th and 20th weeks of gestation. All patients were followed up on until delivery. Patients with abnormal karyotype and iatrogenic preterm delivery for fetal and maternal indications were excluded. The samples were immediately sent to laboratory for cytogenetic and biochemical examination. Non-parametric tests and receiver-operator characteristic curve analysis were used for statistical purpose.
Results:
A significant correlation between incremental amniotic fluid alpha fetoprotein (alphaFPr) and LDH levels and FGR at gestational weeks 15th-20th was found out. We also found an optimum cut-off value> 140 IU/L for the amniotic fluid LDH concentration with a sensitivity of 87.5% and a specificity of 82.4% for the prediction of FGR.
Conclusion:
Once the LDH value is confirmed, it could serve as a prediction factor for FGR at the time of genetic amniocentesis at gestational weeks 15-20.
