2022
Association of propofol induction dose and severe pre-incision hypotension among surgical patients over age 65
Schonberger RB, Dai F, Michel G, Vaughn MT, Burg MM, Mathis M, Kheterpal S, Akhtar S, Shah N, Bardia A. Association of propofol induction dose and severe pre-incision hypotension among surgical patients over age 65. Journal Of Clinical Anesthesia 2022, 80: 110846. PMID: 35489305, PMCID: PMC11150018, DOI: 10.1016/j.jclinane.2022.110846.Peer-Reviewed Original ResearchMeSH KeywordsAgedAnesthetics, IntravenousHumansHypotensionPropofolRetrospective StudiesSurgical WoundConceptsPropofol induction doseGeneral anesthetic inductionSevere hypotensionInduction doseBlood pressure measurementsYears of ageSurgical patientsEndotracheal intubationAnesthetic inductionInvasive blood pressure measurementsGeriatric surgical patientsNon-vascular surgeryDose of propofolNon-invasive blood pressure measurementBlood pressure dropSignificant independent associationPostoperative morbidityRetrospective observationalTotal patientsMulticenter cohortPrimary outcomeAnesthesia inductionPrimary exposureIndependent associationSurgical incision
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
Prevalence of aberrant blood pressure readings across two automated intraoperative blood pressure monitoring systems among patients undergoing caesarean delivery.
Schonberger RB, Gonzalez-Fiol A, Fardelmann KL, Bardia A, Michel G, Dai F, Banack T, Alian A. Prevalence of aberrant blood pressure readings across two automated intraoperative blood pressure monitoring systems among patients undergoing caesarean delivery. Blood Pressure Monitoring 2020, 26: 78-83. PMID: 33234814, PMCID: PMC8715608, DOI: 10.1097/mbp.0000000000000495.Peer-Reviewed Original ResearchConceptsBlood pressure readingsCaesarean deliveryBP readingsMultivariable logistic regression analysisPressure readingsCesarean delivery patientsComparable patient cohortsIntraoperative blood pressureRetrospective observational studySame surgical procedurePre-specified covariatesLogistic regression analysisBlood pressureDelivery patientsSimilar patientsPatient cohortSurgical centersBP measurementsBP monitoring systemObservational studyBP monitorInclusion criteriaSurgical proceduresRelative oddsPatientsAn 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