2001
Hemodynamic-induced changes in aortic valve area: implications for Doppler cardiac output determinations.
Gray P, Perrino A. Hemodynamic-induced changes in aortic valve area: implications for Doppler cardiac output determinations. Anesthesia & Analgesia 2001, 92: 584-9. PMID: 11226082, DOI: 10.1097/00000539-200103000-00006.Peer-Reviewed Original ResearchConceptsAortic valve areaDoppler cardiac output determinationsCardiac outputValve areaDobutamine infusionCardiac output determinationsSystolic blood pressureAortic flow velocityAortic blood flowOutput determinationEchocardiographic variablesBlood pressureDobutamine doseTransesophageal echocardiographyAVA measurementsAortic flowProcedural timeCO calculationsBlood flowMin increaseInfusionHemodynamicsProbe manipulationEchocardiographyDobutamine
1999
Multiplane Transesophageal Echocardiographic Acquisition of Ascending Aortic Flow Velocities: A Comparison with Established Techniques
Harris S, Luther M, Perrino A. Multiplane Transesophageal Echocardiographic Acquisition of Ascending Aortic Flow Velocities: A Comparison with Established Techniques. Journal Of The American Society Of Echocardiography 1999, 12: 754-760. PMID: 10477420, DOI: 10.1016/s0894-7317(99)70026-x.Peer-Reviewed Original ResearchConceptsVelocity time integralAortic flow velocityTransesophageal echocardiographySuprasternal DopplerMonoplane transesophageal echocardiographyAortic flowContinuous wave Doppler interrogationMaximal aortic flow velocityUtility of TEEWave Doppler interrogationContinuous wave Doppler techniqueAortic blood flowMultiplane transesophageal echocardiographyWave Doppler techniqueElective surgeryValvular functionDoppler interrogationCardiac performanceEchocardiographic techniquesBlood flowPatientsDoppler techniqueImaging planesBias analysisFlow velocity