2017
Association of red blood cell transfusion and short- and longer-term mortality after coronary artery bypass graft surgery
Tantawy H, Li A, Dai F, Elgammal M, Sukumar N, Elefteriades J, Akhtar S. Association of red blood cell transfusion and short- and longer-term mortality after coronary artery bypass graft surgery. Journal Of Cardiothoracic And Vascular Anesthesia 2017, 32: 1225-1232. PMID: 29402623, DOI: 10.1053/j.jvca.2017.12.033.Peer-Reviewed Original ResearchConceptsCoronary artery bypass graft surgeryPacked red blood cellsArtery bypass graft surgeryRed blood cell transfusionTertiary care academic medical centerBypass graft surgeryBlood cell transfusionAcademic medical centerMortality rateCABG surgeryCell transfusionGraft surgeryMedical CenterAdult cardiac surgery patientsLong-term mortality outcomesRetrospective medical record reviewCardiothoracic intensive care unitPropensity Score Matching AnalysisCardiac surgery patientsLong-term mortalityMedical record reviewIntensive care unitSignificant differencesStatistical significant differenceHospital mortality
2007
The relationship between the photoplethysmographic waveform and systemic vascular resistance
Awad AA, Haddadin AS, Tantawy H, Badr TM, Stout RG, Silverman DG, Shelley KH. The relationship between the photoplethysmographic waveform and systemic vascular resistance. Journal Of Clinical Monitoring And Computing 2007, 21: 365-372. PMID: 17940842, DOI: 10.1007/s10877-007-9097-5.Peer-Reviewed Original ResearchConceptsSystemic vascular resistancePlethysmographic amplitudeVascular resistanceLow systemic vascular resistanceCoronary artery bypassPeripheral vascular toneContinuous cardiac outputPulse oximeter waveformPlethysmographic tracingsArtery bypassAdult patientsVascular toneCardiac outputThermodilution catheterBland-Altman analysisCorrelation r valuesMultiple regression analysisRegression analysisPhotoplethysmographic waveformCharacteristic analysisFingerAppreciation of changesMethodsPatientsPhotoplethysmographic measurementsLinear regression
2005
Preoperative β-blocker use: is titration to a heart rate of 60 beats per minute a consistently attainable goal?
Akhtar S, Amin M, Tantawy H, Senior A, Barash PG, Silverman DG. Preoperative β-blocker use: is titration to a heart rate of 60 beats per minute a consistently attainable goal? Journal Of Clinical Anesthesia 2005, 17: 191-197. PMID: 15896586, DOI: 10.1016/j.jclinane.2004.06.020.Peer-Reviewed Original ResearchConceptsPreinduction heart ratePerioperative beta-blocker useBeta-blocker useHeart rateCABG patientsEligible patientsSurgery patientsCoronary artery bypass graft surgeryArtery bypass graft surgeryTertiary care teaching hospitalBeta-blocker intoleranceCABG surgery patientsBeta-blocker therapyBypass graft surgeryVascular surgery patientsRetrospective observational studyUnpaired t-testBlocker groupGraft surgeryNoncardiac surgeryVascular patientsVascular surgeryTeaching hospitalObservational studyCurrent recommendations