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 functionHemodynamic Effects of High Frequency Ventilation in Surfactant-Treated Preterm Lambs
Oguchi K, Baylen B, Ikegami M, Jacobs H, Berry D, Jobe A, Emmanouilides G. Hemodynamic Effects of High Frequency Ventilation in Surfactant-Treated Preterm Lambs. Neonatology 1986, 49: 21-28. PMID: 3753885, DOI: 10.1159/000242505.Peer-Reviewed Original ResearchConceptsHigh-frequency ventilationConventional ventilationHemodynamic effectsDuctus arteriosusPreterm lambsFrequency ventilationSame mean airway pressureLV end-diastolic volumeRight ductal shuntSurfactant-treated lambsMean airway pressureDeleterious hemodynamic effectsOrgan blood flowMin of ageEnd-diastolic volumeBlood gas valuesDays gestational ageLV stroke volumeBlood flow measurementsComparable ventilationDuctal shuntAirway pressureDuctal occlusionHemodynamic statusArterial pressure
1985
The Contractility and Performance of the Preterm Left Ventricle before and after Early Patent Ductus Arteriosus Occlusion in Surfactant- Treated Lambs
Baylen B, Ogata H, Oguchi K, Ikegami M, Jacobs H, Jobe A, Emmanouilides G. The Contractility and Performance of the Preterm Left Ventricle before and after Early Patent Ductus Arteriosus Occlusion in Surfactant- Treated Lambs. Pediatric Research 1985, 19: 1053-1058. PMID: 3840585, DOI: 10.1203/00006450-198510000-00022.Peer-Reviewed Original ResearchConceptsPatent ductus arteriosusSystemic blood flowEnd-diastolic volumeBlood flowDuctal shuntingSystemic perfusionPreterm lambsDuctus arteriosusEffective systemic blood flowVentricle end-diastolic volumeEarly hemodynamic responseLeft ventricle outputLeft-right shuntPatent ductus arteriosus occlusionLeft ventricular outputCardiac output stateLeft ventricle end-diastolic volumeOrgan blood flowDuctus arteriosus occlusionBlood flow measurementsDuctal shuntDuctal occlusionHemodynamic profileEjection fractionVentricular output