Duration of ductal shunting in healthy preterm infants: An echocardiographic color flow doppler study
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Cited by (84)
Evaluation and care of common pediatric cardiac disorders
2023, Encyclopedia of Child and Adolescent Health, First EditionCardiorespiratory Events in Infants Born Preterm during the Transitional Period
2020, Journal of PediatricsCitation Excerpt :We found that isolated desaturations were the most frequent events during the transitional period and were most common in infants with echocardiographic evidence of a PDA. As expected, some degree of ductal shunting was common during the first 24 hours of life.29 Echocardiography performed during the study period ruled out the presence of persistent pulmonary hypertension and documented a predominantly left-to-right transductal shunt in infants with a PDA.
Cardiac Physiology and Pharmacology
2019, A Practice of Anesthesia for Infants and ChildrenCardiopulmonary Adaptation During First Day of Life in Human Neonates
2018, Journal of PediatricsCitation Excerpt :The later rise in RVO after 10 hours of age, coinciding with the timing of ductal closure and decrease in PVR, provides biological plausibility. Our study confirms that DA is either closed or demonstrates restrictive left-to-right flow in most cases within 24 hours of birth.32-35 Although the dominant flow pattern is bidirectional, as seen in previous reports,27,36 we demonstrated that the percentage of right-left flow was ≤40% of total shunt duration in all cases by 30 minutes, suggesting pulmonary pressures to be subsystemic.12
Prophylactic and early targeted treatment of patent ductus arteriosus
2018, Seminars in Fetal and Neonatal MedicineCitation Excerpt :Lack of these within the first few hours of life is associated with ductal patency [10]. The sequence of closure usually starts at the pulmonary end with functional closure usually complete by 72 h of age in healthy term infants [11,12] but this may take longer in the preterm infant [13–15]. In normal newborn infants >36 weeks gestation, functional PDA closure has occurred in 42% by 24 h after birth, 78% by 40 h, 90% by 48 h and in all by 96 h [12].
Cardiac Physiology and Pharmacology
2018, A Practice of Anesthesia for Infants and Children