Publication: Doppler study of umbilical artery in Thai fetus
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Issued Date
2011-11-01
Resource Type
ISSN
01252208
Other identifier(s)
2-s2.0-84857018628
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of the Medical Association of Thailand. Vol.94, No.11 (2011), 1283-1287
Suggested Citation
Anuwat Sutantawiboon, Saifon Chawanpaiboon Doppler study of umbilical artery in Thai fetus. Journal of the Medical Association of Thailand. Vol.94, No.11 (2011), 1283-1287. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/12234
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Title
Doppler study of umbilical artery in Thai fetus
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Abstract
Objective: Create reference centile charts for Doppler study of Pulsatile index (PI), Resistance index (RI) and Systolic to Diastolic (S/D) ratio of umbilical artery in Thai fetus throughout gestation. Material and Method: Six hundred fifty eight pregnant women between 13-40 weeks gestation who attended the antenatal clinic at Siriraj Hospital, Mahidol University, Bangkok, were recruited. Each fetus was measured only once for the purpose of the present study. The mean and fitted centiles were estimated at each week of gestation using linear regression modeling. Results: Doppler study of Pulsatile index (PI), Resistance index (RI), and Systolic to Diastolic (S/D) ratio of umbilical artery were measured in 658 fetuses. The mean 95% confidence intervals for Doppler study of Pulsatile index (PI), Resistance index (RI), and Systolic to Diastolic (S/D) ratio of umbilical artery at each gestational age were fitted to estimate by linear regression models. The centile chart of this parameter was also presented. Conclusion: Reference centile chart for Doppler study of Pulsatile index (PI), Resistance index (RI) and Systolic to Diastolic (S/D) ratio of umbilical artery of Thai fetuses was presented.