OBJECTIVE: To describe the time sequence of changes in cardiac function in intrauterine growth restriction. STUDY DESIGN: This was a prospective longitudinal study on 22 singleton pregnancies with growth-restricted fetuses. Pulsatility indices of fetal arterial and venous Doppler waveforms, systolic peak velocity in the aorta and pulmonary artery, right and left ventricular shortening fraction and atrioventricular flow E/A ratio were assessed at each monitoring session. Logistic regression was used for modeling the probability of abnormality of a variable in relation to the time interval before delivery. Trends over time were analyzed by Mann-Withney U-test. RESULTS: Umbilical artery pulsatility index was the first variable to become abnormal, followed by the middle cerebral artery, right diastolic indices (right E/A, ductus venosus), right systolic indices and, finally, both diastolic and systolic left cardiac indices. CONCLUSION: We have found an earlier and more pronounced right than left and diastolic than systolic fetal cardiac function deterioration in growth restricted fetuses monitored longitudinally.
OBJECTIVE: To describe the time sequence of changes in cardiac function in intrauterine growth restriction. STUDY DESIGN: This was a prospective longitudinal study on 22 singleton pregnancies with growth-restricted fetuses. Pulsatility indices of fetal arterial and venous Doppler waveforms, systolic peak velocity in the aorta and pulmonary artery, right and left ventricular shortening fraction and atrioventricular flow E/A ratio were assessed at each monitoring session. Logistic regression was used for modeling the probability of abnormality of a variable in relation to the time interval before delivery. Trends over time were analyzed by Mann-Withney U-test. RESULTS: Umbilical artery pulsatility index was the first variable to become abnormal, followed by the middle cerebral artery, right diastolic indices (right E/A, ductus venosus), right systolic indices and, finally, both diastolic and systolic left cardiac indices. CONCLUSION: We have found an earlier and more pronounced right than left and diastolic than systolic fetal cardiac function deterioration in growth restricted fetuses monitored longitudinally.
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Authors: Ângela R L Nader; Paulo Zielinsky; Alexandre Antonio Naujorks; Luiz Henrique S Nicoloso; Antonio Luiz Piccoli Junior; Natássia Miranda Sulis; Luiza Ferreira van der Sand; Victoria de Bittencourt Antunes; Gabriela Dos Santos Marinho; Fernanda Greinert Dos Santos; Natan Pereira Gosmann; Eduardo Becker Júnior; Renato Frajndlich; Tamara Beherens; Marcelo Brandão da Silva; Carolina Barbisan; Stefano Busato; Mauro Lopes; Caroline Klein Journal: Obstet Gynecol Int Date: 2018-01-17