2021
Variation in propofol induction doses administered to surgical patients over age 65
Schonberger RB, Bardia A, Dai F, Michel G, Yanez D, Curtis JP, Vaughn MT, Burg MM, Mathis M, Kheterpal S, Akhtar S, Shah N. Variation in propofol induction doses administered to surgical patients over age 65. Journal Of The American Geriatrics Society 2021, 69: 2195-2209. PMID: 33788251, PMCID: PMC8373684, DOI: 10.1111/jgs.17139.Peer-Reviewed Original ResearchConceptsPropofol induction dosesInduction dosesEndotracheal intubationGeneral anesthetic inductionPropofol induction dosePercent of patientsRetrospective observational studyLarge multicenter cohortSurgical patientsMulticenter cohortPropofol doseBolus doseGeneral anesthesiaInduction dosePropofol inductionPresent studyAnesthetic inductionDose administrationAdvanced agePatient variablesObservational studyProvider practicesAnaesthetic practiceClinical consequencesDosing decisions
2020
An Analysis of Anesthesia Induction Dosing in Female Older Adults
Chen EY, Michel G, Zhou B, Dai F, Akhtar S, Schonberger RB. An Analysis of Anesthesia Induction Dosing in Female Older Adults. Drugs & Aging 2020, 37: 435-446. PMID: 32300966, PMCID: PMC7359723, DOI: 10.1007/s40266-020-00760-3.Peer-Reviewed Original ResearchConceptsAcute kidney injuryPostinduction hypotensionGeneral anesthesiaPresent cohortPostoperative acute kidney injuryLarge tertiary teaching hospitalOlder adultsFrailty of patientsGynecologic oncology surgeryImmediate hemodynamic effectsPropofol induction dosesPercentage of patientsRetrospective observational studyTertiary teaching hospitalPerioperative vital signsHigher propofol dosesFemale older adultsAKI associationInotrope administrationKidney injurySurgical populationHemodynamic effectsDose adjustmentPrimary outcomeFemale patients
2017
A Pilot Analysis of the Association Between Types of Monitored Anesthesia Care Drugs and Outcomes in Transfemoral Aortic Valve Replacement Performed Without General Anesthesia
Chen EY, Sukumar N, Dai F, Akhtar S, Schonberger RB. A Pilot Analysis of the Association Between Types of Monitored Anesthesia Care Drugs and Outcomes in Transfemoral Aortic Valve Replacement Performed Without General Anesthesia. Journal Of Cardiothoracic And Vascular Anesthesia 2017, 32: 666-671. PMID: 29277298, PMCID: PMC5766429, DOI: 10.1053/j.jvca.2017.07.009.Peer-Reviewed Original ResearchConceptsTransfemoral aortic valve replacementMonitored Anesthesia CareAortic valve replacementGeneral anesthesiaValve replacementAge incrementsMedication dose adjustmentUse of dexmedetomidineRetrospective observational studyType of sedationTertiary teaching hospitalHospital lengthPostoperative deliriumTAVR patientsDose adjustmentConscious sedationAnesthesia careCare drugsPossible differential effectsTeaching hospitalObservational studyAnesthetic agentsDose reductionDrug dosingPilot analysis
2016
A Retrospective Observational Study of Anesthetic Induction Dosing Practices in Female Elderly Surgical Patients: Are We Overdosing Older Patients?
Akhtar S, Heng J, Dai F, Schonberger RB, Burg MM. A Retrospective Observational Study of Anesthetic Induction Dosing Practices in Female Elderly Surgical Patients: Are We Overdosing Older Patients? Drugs & Aging 2016, 33: 737-746. PMID: 27581549, DOI: 10.1007/s40266-016-0394-x.Peer-Reviewed Original ResearchConceptsDoses of fentanylOlder patientsFemale patientsInduction dosesGeneral anesthesiaObservational studyTertiary care academic hospitalElderly surgical patientsIncidence of hypotensionDose of propofolRetrospective observational studyOld female patientIntravenous anesthetic agentPost-induction hypotensionAge-associated differencesQuality improvement effortsResultsOlder patientsVasopressor therapyElderly patientsSurgical patientsYounger patientsBlood pressureHemodynamic outcomesASA-PSStudy designWe
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