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Normative Values of Uterine Artery Doppler Pulsatility Index using Transvaginal Ultrasound in Women between 18-24+6 Weeks of Gestation at Rajavithi Hospital |
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| รหัสดีโอไอ | |
| Creator | Lalita Songsathaporn |
| Title | Normative Values of Uterine Artery Doppler Pulsatility Index using Transvaginal Ultrasound in Women between 18-24+6 Weeks of Gestation at Rajavithi Hospital |
| Contributor | Lunthaporn Puttanavijarn, Dennopporn Sudjai |
| Publisher | PIMDEE Co., Ltd. |
| Publication Year | 2564 |
| Journal Title | Thai Journal of Obstetrics and Gynaecology |
| Journal Vol. | 29 |
| Journal No. | 4 |
| Page no. | 227-235 |
| Keyword | uterine artery pulsatility index, normative values, second trimester |
| URL Website | https://tci-thaijo.org/index.php/tjog/index |
| Website title | www.tci-thaijo.org |
| ISSN | 2673-0871 |
| Abstract | Objectives: To establish the normative values of uterine artery Doppler pulsatility index (UtA-PI) obtained using transvaginal ultrasound in an unselected population at 18-24+6 weeks of gestation and to ascertain the relationship between UtA-PI and gestational age.Materials and Methods: A prospective cross-sectional study was conducted at Rajavithi Hospital from December 2018 to June 2019. The mean UtA-PI was calculated using color Doppler ultrasound with uterine artery gated at the level of the internal os. Mean UtA-PI in relation to gestational age (GA) was reported, and linear regression was used to calculate the 5th, 10th, 50th, 90th and 95th percentiles of the UtA-PI.Results: A total of 185 singleton pregnancies were enrolled in this study. Nineteen cases (10.2%) were excluded, leaving a total of 166 cases to be analyzed. The mean UtA-PI ranged from 1.19 at 18 weeks to 0.81 at 24 weeks of gestation. The best-fit curve of mean UtA-PI as a function of GA was a linear function: mean UtA-PI = 2.33-0.0634*GA (R2 = 0.271).Conclusion: Normative values for the mean UtA-PI at 18-24+6 weeks of gestation using transvaginal ultrasound were established. A decrease in mean UtA-PI with advancing GA was observed. |
