2023
Perioperative Mortality of the COVID-19 Recovered Patient Compared to a Matched Control: A Multicenter Retrospective Cohort Study
Aziz M, Schenning K, Koike S, O’Glasser A, O’Reilly-Shah V, Sera V, Mathis M, Naik B, Taicher B, Colquhoun D, Freundlich R, Schonberger R, Domino K, Chen L, Pace N. Perioperative Mortality of the COVID-19 Recovered Patient Compared to a Matched Control: A Multicenter Retrospective Cohort Study. Anesthesiology 2023, 140: 195-206. PMID: 37844271, DOI: 10.1097/aln.0000000000004809.Peer-Reviewed Original ResearchMeSH KeywordsAcute Kidney InjuryCOVID-19Elective Surgical ProceduresHumansPostoperative ComplicationsRetrospective StudiesConceptsAcute kidney injuryPulmonary complicationsKidney injuryIncreased riskPerioperative mortalityExposed patientsCOVID-19 infectionIncreased 30-day mortality riskElective surgeryIncreased risk of acute kidney injuryIncreased risk of pulmonary complicationsRisk of acute kidney injuryMortality riskPositive testRisk of pulmonary complicationsRisk of perioperative mortalityRetrospective observational cohort studyThirty-day mortalityCOVID-19-recovered patientsCohort of patientsExposure to COVID-19 infectionIncreased risk of mortalityAssociated with increased mortality riskObservational cohort studyElective inpatient surgeryHypoxemia in School-age Children Undergoing One-lung Ventilation: A Retrospective Cohort Study from the Multicenter Perioperative Outcomes Group
Templeton T, Krol B, Miller S, Lee L, Mathis M, Vishneski S, Chatterjee D, Gupta R, Shroeder R, Saha A, Schonberger R. Hypoxemia in School-age Children Undergoing One-lung Ventilation: A Retrospective Cohort Study from the Multicenter Perioperative Outcomes Group. Anesthesiology 2023, 140: 25-37. PMID: 37738432, DOI: 10.1097/aln.0000000000004781.Peer-Reviewed Original ResearchMeSH KeywordsChildHumansHypoxiaLungOne-Lung VentilationPositive-Pressure RespirationRetrospective StudiesConceptsIncreased risk of hypoxemiaOne-lung ventilationRisk of hypoxemiaRight-sided casesIncreased riskSevere hypoxemiaDuration of one-lung ventilationVideo-assisted thoracoscopic surgeryRoom air oxygen saturationLow tidal volume ventilationRisk factorsOxygen saturationMulticenter Perioperative Outcomes Group databasePrevalence of hypoxemiaAssociated with hypoxemiaAssociated with increased riskTidal volume ventilationRetrospective cohort studySelection operator regression analysisChildren 4Nonmodifiable risk factorsMultivariate least absolute shrinkageSchool-aged childrenThoracoscopic surgeryThoracic surgery
2022
Association between choice of reversal agent for neuromuscular block and postoperative pulmonary complications in patients at increased risk undergoing non-emergency surgery: STIL-STRONGER, a multicentre matched cohort study
Colquhoun D, Vaughn M, Bash L, Janda A, Shah N, Ghaferi A, Sjoding M, Mentz G, Kheterpal S, Committee M, Craft R, Domino K, Freundlich R, Mathis M, McCormick P, Naik B, Ruiz J, Schonberger R, Schroeder R, Stewart A, Taicher B, Tingle S, Togioka B, Urman R, Vachhani S. Association between choice of reversal agent for neuromuscular block and postoperative pulmonary complications in patients at increased risk undergoing non-emergency surgery: STIL-STRONGER, a multicentre matched cohort study. British Journal Of Anaesthesia 2022, 130: e148-e159. PMID: 35691703, PMCID: PMC9875908, DOI: 10.1016/j.bja.2022.04.023.Peer-Reviewed Original ResearchConceptsPostoperative pulmonary complicationsPulmonary complicationsNon-emergency surgeryRespiratory failureCohort studyNeuromuscular blockReversal agentsAnesthesiologists physical status 3Primary composite outcomeCohort of patientsUse of sugammadexIntra-abdominal surgeryOccurrence of pneumoniaBody mass indexSource of morbidityNeuromuscular blocking agentsStatus 3Complication outcomesComposite outcomeMajor surgeryPrimary outcomeMass indexTracheal intubationGeneral anesthesiaMulticenter Perioperative Outcomes Group
2017
The effect of race on postsurgical ambulatory medical follow-up among United States Veterans
Schonberger RB, Dai F, Brandt C, Burg MM. The effect of race on postsurgical ambulatory medical follow-up among United States Veterans. Journal Of Clinical Anesthesia 2017, 40: 55-61. PMID: 28625448, PMCID: PMC5490668, DOI: 10.1016/j.jclinane.2016.11.002.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAmbulatory CareBlack or African AmericanComorbidityContinuity of Patient CareFemaleFollow-Up StudiesHealthcare DisparitiesHumansLong-Term CareMaleMiddle AgedPatient Acceptance of Health CareRetrospective StudiesSurgical Procedures, OperativeUnited StatesVeteransVeterans HealthYoung AdultConceptsAfrican American raceAfrican American patientsInternal medicineAmerican patientsAmbulatory internal medicineAmerican raceUS Veterans Affairs hospitalsYear of surgeryDay of surgeryVeterans Affairs hospitalUnited States veteransQuality improvement initiativesRetrospective observationalUS veteransHispanic ethnicityInpatient daysStates veteransSurgeryDecreased likelihoodEffect of raceImprovement initiativesVeteransFurther studiesPatientsAfrican AmericansA 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 designWeMobile Extracorporeal Membrane Oxygenation Teams: The North American Versus the European Experience
Nwozuzu A, Fontes ML, Schonberger RB. Mobile Extracorporeal Membrane Oxygenation Teams: The North American Versus the European Experience. Journal Of Cardiothoracic And Vascular Anesthesia 2016, 30: 1441-1448. PMID: 27686513, PMCID: PMC5130610, DOI: 10.1053/j.jvca.2016.06.005.Peer-Reviewed Original ResearchDoes intravenous induction dosing among patients undergoing gastrointestinal surgical procedures follow current recommendations: a study of contemporary practice
Akhtar S, Liu J, Heng J, Dai F, Schonberger RB, Burg MM. Does intravenous induction dosing among patients undergoing gastrointestinal surgical procedures follow current recommendations: a study of contemporary practice. Journal Of Clinical Anesthesia 2016, 33: 208-215. PMID: 27555166, DOI: 10.1016/j.jclinane.2016.02.001.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAgingAlgorithmsAnesthesia, IntravenousAnesthetics, IntravenousBody WeightDigestive System Surgical ProceduresFemaleFentanylGuidelines as TopicHumansHypotensionIntraoperative ComplicationsMaleMidazolamMiddle AgedPropofolRetrospective StudiesSeverity of Illness IndexConceptsASA-PS classAge groupsInduction dosesSurgical proceduresAnesthesiologists physical status classMean arterial pressure changesYounger groupOlder groupAge-adjusted doseRate of hypotensionMean arterial pressureRetrospective chart reviewAnesthetic induction agentGastrointestinal surgical proceduresArterial pressure changesGI surgical proceduresAcademic medical centerCochran-Armitage trend testDifferent age groupsPostinduction hypotensionOlder patientsAdult patientsArterial pressureChart reviewIntravenous induction
2015
Ambulatory Medical Follow-Up in the Year After Surgery and Subsequent Survival in a National Cohort of Veterans Health Administration Surgical Patients
Schonberger RB, Dai F, Brandt C, Burg MM. Ambulatory Medical Follow-Up in the Year After Surgery and Subsequent Survival in a National Cohort of Veterans Health Administration Surgical Patients. Journal Of Cardiothoracic And Vascular Anesthesia 2015, 30: 671-679. PMID: 27021176, PMCID: PMC5499041, DOI: 10.1053/j.jvca.2015.12.019.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAmbulatory CareCohort StudiesFemaleFollow-Up StudiesHumansMaleMiddle AgedRetrospective StudiesSurgical Procedures, OperativeVeterans HealthConceptsFirst postoperative yearPostoperative yearNational cohortPostsurgical yearSurgical patientsLong-term postoperative survivalVeterans Health Administration facilitiesFirst postsurgical yearRetrospective cohort studyPostoperative year 1Day of surgeryAmbulatory medical careHazard of deathPostoperative year 2Medical Follow-UpYear 2US veterans' hospitalsYear 1Cause mortalityPostoperative survivalCohort studyPatient subgroupsCare coordinationFollow-upUS veterans
2013
The Problem of Controlling for Imperfectly Measured Confounders on Dissimilar Populations: A Database Simulation Study
Schonberger RB, Gilbertsen T, Dai F. The Problem of Controlling for Imperfectly Measured Confounders on Dissimilar Populations: A Database Simulation Study. Journal Of Cardiothoracic And Vascular Anesthesia 2013, 28: 247-254. PMID: 23962461, PMCID: PMC3926910, DOI: 10.1053/j.jvca.2013.03.014.Peer-Reviewed Original ResearchAdrenergic beta-AntagonistsAlgorithmsAtenololBiasCardiac Surgical ProceduresCohort StudiesComorbidityComputer SimulationData Interpretation, StatisticalDatabases, FactualDrug TherapyHumansInternational Classification of DiseasesLogistic ModelsMetoprololModels, StatisticalMonte Carlo MethodObservational Studies as TopicPostoperative ComplicationsPrevalencePropensity ScoreRetrospective Studies
2011
The Relationship Between Preoperative and Primary Care Blood Pressure Among Veterans Presenting from Home for Surgery
Schonberger RB, Burg MM, Holt N, Lukens CL, Dai F, Brandt C. The Relationship Between Preoperative and Primary Care Blood Pressure Among Veterans Presenting from Home for Surgery. Anesthesia & Analgesia 2011, 114: 205-214. PMID: 22075017, PMCID: PMC3282161, DOI: 10.1213/ane.0b013e318239c4c1.Peer-Reviewed Original ResearchMeSH KeywordsAgedBlood PressureBlood Pressure DeterminationConnecticutFemaleHumansHypertensionLinear ModelsMaleMiddle AgedPredictive Value of TestsPreoperative CarePrimary Health CareReferral and ConsultationRetrospective StudiesSensitivity and SpecificitySurgical Procedures, OperativeTime FactorsVeteransConceptsSystolic blood pressureBlood pressurePrimary care measurementCardiology/American Heart Association guidelinesClinic systolic blood pressureImproved blood pressure controlAmerican Heart Association guidelinesCare measurementBlood pressure elevationBlood pressure controlPrimary care referralsDiastolic blood pressureHeart Association guidelinesHigh blood pressurePrimary care centersEvidence-based fashionNegative predictive valueDBP thresholdPreoperative hypertensionSBP thresholdPerioperative evaluationCare referralMedication noncompliancePreoperative examinationPressure elevation