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- W1998809318 abstract "Thirty-one infants with clinical and radiographic evidence of a large left-to-right shunt across a patent ductus arteriosus underwent echocardiographic study to determine the magnitude of shunting. Seven patients were found to have a normal left atrial dimension and a normal left atrial/aortic root dimension at the time when physical and roentgenographic findings of a large PDA were most pronounced. In contrast, left ventricular end diastolic dimensions were excessive in these infants. After ductal closure (four, surgery; two, indomethacin, one, spontaneous) the left ventricular end diastolic dimension fell to the normal range. Optimal echocardiographic accuracy in infants with PDA should combine analysis of both atrial and ventricular dimensions; the former, used alone, may be misleading. Thirty-one infants with clinical and radiographic evidence of a large left-to-right shunt across a patent ductus arteriosus underwent echocardiographic study to determine the magnitude of shunting. Seven patients were found to have a normal left atrial dimension and a normal left atrial/aortic root dimension at the time when physical and roentgenographic findings of a large PDA were most pronounced. In contrast, left ventricular end diastolic dimensions were excessive in these infants. After ductal closure (four, surgery; two, indomethacin, one, spontaneous) the left ventricular end diastolic dimension fell to the normal range. Optimal echocardiographic accuracy in infants with PDA should combine analysis of both atrial and ventricular dimensions; the former, used alone, may be misleading." @default.
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- W1998809318 date "1978-03-01" @default.
- W1998809318 modified "2023-09-27" @default.
- W1998809318 title "Echocardiographic diagnosis: Pitfalls in the premature infant with a large patent ductus arteriosus" @default.
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- W1998809318 doi "https://doi.org/10.1016/s0022-3476(78)80452-1" @default.
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