OBJECTIVES: To evaluate myocardial injury in neonates born to pregnant women with pregnancy complicated by severe preeclampsia by myocardial work indices. METHODS: A prospective cohort study was performed on 25 preterm infants born to the pregnant women with severe preeclampsia from June 2020 to April 2021 (severe preeclampsia group), and 25 preterm infants born to the pregnant women without severe complications in pregnancy were enrolled as the control group. Echocardiography was performed within 24 hours and at 48-72 hours and 14-28 days after birth to measure conventional parameters. Two-dimensional speckle-tracking echocardiography was performed to construct a noninvasive left ventricular pressure-strain loop based on two-dimensional myocardial strain and left ventricular systolic pressure noninvasively measured, so as to calculate myocardial work indices. RESULTS: Compared with the control group, the severe preeclampsia group had significant reductions in left ventricular global work index and global constructive work within 24 hours after birth (P<0.05), a significant reduction in left ventricular global work efficiency and a significant increase in global waste work at 48-72 hours after birth (P<0.05), and a significant reduction in left ventricular global work efficiency at 14-28 days after birth (P<0.05). CONCLUSIONS: Subclinical myocardial injury persists in the neonatal period in preterm infants born to pregnant women with severe preeclampsia.
OBJECTIVES: To evaluate myocardial injury in neonates born to pregnant women with pregnancy complicated by severe preeclampsia by myocardial work indices. METHODS: A prospective cohort study was performed on 25 preterm infants born to the pregnant women with severe preeclampsia from June 2020 to April 2021 (severe preeclampsia group), and 25 preterm infants born to the pregnant women without severe complications in pregnancy were enrolled as the control group. Echocardiography was performed within 24 hours and at 48-72 hours and 14-28 days after birth to measure conventional parameters. Two-dimensional speckle-tracking echocardiography was performed to construct a noninvasive left ventricular pressure-strain loop based on two-dimensional myocardial strain and left ventricular systolic pressure noninvasively measured, so as to calculate myocardial work indices. RESULTS: Compared with the control group, the severe preeclampsia group had significant reductions in left ventricular global work index and global constructive work within 24 hours after birth (P<0.05), a significant reduction in left ventricular global work efficiency and a significant increase in global waste work at 48-72 hours after birth (P<0.05), and a significant reduction in left ventricular global work efficiency at 14-28 days after birth (P<0.05). CONCLUSIONS: Subclinical myocardial injury persists in the neonatal period in preterm infants born to pregnant women with severe preeclampsia.
Authors: Adam J Lewandowski; Daniel Augustine; Pablo Lamata; Esther F Davis; Merzaka Lazdam; Jane Francis; Kenny McCormick; Andrew R Wilkinson; Atul Singhal; Alan Lucas; Nic P Smith; Stefan Neubauer; Paul Leeson Journal: Circulation Date: 2012-12-05 Impact factor: 29.690
Authors: Natalie F A Edwards; Gregory M Scalia; Kenji Shiino; Surendran Sabapathy; Bonita Anderson; Robert Chamberlain; Bijoy K Khandheria; Jonathan Chan Journal: J Am Soc Echocardiogr Date: 2019-04-28 Impact factor: 5.251
Authors: David W J Armstrong; M Yat Tse; Philip G Wong; Nicole M Ventura; Jalna A Meens; Amer M Johri; Murray F Matangi; Stephen C Pang Journal: Mol Cell Biochem Date: 2014-04-10 Impact factor: 3.396
Authors: J Vecera; M Penicka; M Eriksen; K Russell; J Bartunek; M Vanderheyden; O A Smiseth Journal: Eur Heart J Cardiovasc Imaging Date: 2016-02-25 Impact factor: 6.875