1986
Left ventricular performance and contractility before and after volume infusion: a comparative study of preterm and full-term newborn lambs.
Baylen B, Ogata H, Ikegami M, Jacobs H, Jobe A, Emmanouilides G. Left ventricular performance and contractility before and after volume infusion: a comparative study of preterm and full-term newborn lambs. Circulation 1986, 73: 1042-1049. PMID: 3754496, DOI: 10.1161/01.cir.73.5.1042.Peer-Reviewed Original ResearchConceptsFull-term lambsLeft ventricular performanceVolume infusionPreterm lambsVentricular performanceStroke workLeft ventricular peak dP/dtLeft ventricleVentricular peak dP/dtLeft ventricular end-diastolic volumeFull-term newborn lambsVentricular end-diastolic volumeLeft ventricular stroke workPeak dP/dtGreater stroke workPostnatal circulatory adaptationSystemic vascular resistanceVentricular stroke workFull-term animalsDays gestational ageEnd-diastolic volumeLeft ventricular pressureDP/dtVascular resistancePulmonary function
1983
Left ventricular performance and regional blood flows before and after ductus arteriosus occlusion in premature lambs treated with surfactant.
Baylen B, Ogata H, Ikegami M, Jacobs H, Jobe A, Emmanouilides G. Left ventricular performance and regional blood flows before and after ductus arteriosus occlusion in premature lambs treated with surfactant. Circulation 1983, 67: 837-843. PMID: 6687448, DOI: 10.1161/01.cir.67.4.837.Peer-Reviewed Original ResearchConceptsPatent ductus arteriosusSystemic blood flowBlood flowVentricular performanceLV end-diastolic pressureEarly pathologic manifestationsOvert LV dysfunctionRight PDA shuntEnd-diastolic pressureHours of lifeLeft ventricular performanceRadionuclide-labeled microspheresDuctus arteriosus occlusionRegional blood flowPDA shuntLV dysfunctionPremature lambsRight shuntDuctus arteriosusEjection fractionPreterm lambsHemodynamic consequencesCardiac outputLeft ventriculographyPathologic manifestations