Indian pediatrics
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To analyze cardiovascular parameters by echocardiography in preterm infants with patent ductus arteriosus (PDA). ⋯ In preterm infants with hsPDA, there was a volume load of the left heart causing increased stroke volume and cardiac output. The hsPDA could be detected by echocardiography even in the first 48 hours. The left atrial volume index may be a better indicator of the volume load of the heart.