Journal of medical ultrasound · 2023
Flow-mediated Dilation of the Brachial Artery in Women with Hypertensive Disorders of Pregnancy.
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Oguntade Babatunde Opeyemi, Ibitoye Bolanle Olubunmi, Makinde Olufemiwa Niyi, Idowu Bukunmi Michael, Okedere Tolulope Adebayo
Аннотация
BACKGROUND: Hypertensive disorder of pregnancy (HDP) comprise chronic hypertension, gestational hypertension, preeclampsia/eclampsia, and preeclampsia superimposed on chronic hypertension. HDP complicate up to 10% of pregnancies worldwide and carry significant risks of maternal and perinatal morbidity and mortality. The aim of this study was to evaluate the derangement and characteristics of brachial artery flow-mediated dilation (BAFMD) in women with HDP.
METHODS: The BAFMD of the right brachial artery of 80 women with HDP (pregnant HDP), 80 normotensive pregnant women (pregnant non-HDP), and 80 healthy nonpregnant women (nonpregnant controls) was evaluated with B-mode ultrasound. The age, blood pressure, body mass index (BMI), brachial artery diameter, and BAFMD of the participants were compared. P ≤ 0.05 was statistically significant.
RESULTS: The pregnant HDP group had significantly lower mean BAFMD compared to pregnant non-HDP and nonpregnant controls (6.9% ± 2.53% vs. 8.32% ± 3.4% vs. 9.4% ± 2.68%; P < 0.001). There was no significant difference between the mean BAFMD of the pregnant HDP subgroups: preeclampsia (5.81% ± 1.7%) versus gestational hypertension (6.43% ± 3.02%); P = 0.57. BAFMD diminished with advancing gestational age in both the pregnant HDP and pregnant non-HDP groups. On regression analysis, BAFMD was a poor marker for HDP, while BMI was an independent predictor for HDP.
CONCLUSION: Even though HDP were associated with significantly diminished BAFMD, it was not a good marker for HDP.
METHODS: The BAFMD of the right brachial artery of 80 women with HDP (pregnant HDP), 80 normotensive pregnant women (pregnant non-HDP), and 80 healthy nonpregnant women (nonpregnant controls) was evaluated with B-mode ultrasound. The age, blood pressure, body mass index (BMI), brachial artery diameter, and BAFMD of the participants were compared. P ≤ 0.05 was statistically significant.
RESULTS: The pregnant HDP group had significantly lower mean BAFMD compared to pregnant non-HDP and nonpregnant controls (6.9% ± 2.53% vs. 8.32% ± 3.4% vs. 9.4% ± 2.68%; P < 0.001). There was no significant difference between the mean BAFMD of the pregnant HDP subgroups: preeclampsia (5.81% ± 1.7%) versus gestational hypertension (6.43% ± 3.02%); P = 0.57. BAFMD diminished with advancing gestational age in both the pregnant HDP and pregnant non-HDP groups. On regression analysis, BAFMD was a poor marker for HDP, while BMI was an independent predictor for HDP.
CONCLUSION: Even though HDP were associated with significantly diminished BAFMD, it was not a good marker for HDP.