TITLE:
Hemodynamic Fetal Response to Maternal Isometric Exercise in Pregnant Patients with Hypertension
AUTHORS:
Tatiana Frehner Kavalco, José Antônio Reis Ferreira de Lima, Monique Soares Paz, Wendel Mombaque dos Santos, Francisco Maximiliano Pancich Gallarreta
KEYWORDS:
Exercise, Isometric, Pregnancy, High-Risk, Hemodynamics, Ultrasonography, Doppler, Fetal-Placental Circulation
JOURNAL NAME:
Open Journal of Obstetrics and Gynecology,
Vol.13 No.8,
August
29,
2023
ABSTRACT: Objective: to evaluate the maternal-fetal hemodynamic response with Doppler in
pregnant women with chronic arterial hypertension and preeclampsia submitted to controlled isometric activity. Methods: experimental study comparing 50 healthy and 26 hypertensive and 24
preeclamptic pregnant women, from 26 to 36 weeks of gestational age, submitted
to isometric contraction with handgrip dynamometer. Maternal hemodynamic
parameters (systolic and diastolic blood pressure; heart rate; uterine arteries
Doppler) and fetal (heart rate; umbilical artery, middle cerebral and venous
duct Doppler) were evaluated before, during and post-isometry. Results: in
preeclampsia were observed higher values of blood pressure and uterine artery
indexes in all times; middle cerebral artery
indexes in the pre and post-isometry; and of maternal heart rate
post-isometry. In hypertensive women, systolic blood pressure is increased all
the times, with indexes of the right uterine and middle cerebral arteries
higher in pre-isometry; middle cerebral and umbilical arteries greater during
isometry; and maternal heart rate and umbilical artery indexes bigger after
isometry. Conclusion: blood pressure is higher in preeclamptic and
hypertension women. The right uterine artery has more resistance in
preeclampsia, with a significant decrease in pre to isometry in hypertensive and preeclamptic women; and
increased in contraction to post-isometry in healthy and hypertensive women.
The left uterine artery increases resistance post-isometry in all groups. The
fetal hemodynamic parameters did not show significant differences when
comparing the before, during and post-isometry.