2024
Preoperative Blood Pressures and the Physician Anesthesiologist
Schonberger R. Preoperative Blood Pressures and the Physician Anesthesiologist. Anesthesiology 2024, 141: 208-210. PMID: 38980164, PMCID: PMC11239125, DOI: 10.1097/aln.0000000000005101.Peer-Reviewed Original Research
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 ResearchConceptsAcute 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 surgeryPatient-, Clinician-, and Institution-level Variation in Inotrope Use for Cardiac Surgery: A Multicenter Observational Analysis
Mathis M, Janda A, Kheterpal S, Schonberger R, Pagani F, Engoren M, Mentz G, Shook D, Muehlschlegel J, Cassidy R, Clark D, Colquhoun D, Freundlich R, Jewell E. Patient-, Clinician-, and Institution-level Variation in Inotrope Use for Cardiac Surgery: A Multicenter Observational Analysis. Anesthesiology 2023, 139: 122-141. PMID: 37094103, PMCID: PMC10524016, DOI: 10.1097/aln.0000000000004593.Peer-Reviewed Original ResearchConceptsInotrope useCardiac surgeryHome medicationsAdjusted median odds ratioPulmonary circulation disordersAdult cardiac surgeryMechanical circulatory supportMedian odds ratioMedical school affiliationHome inotropesInotrope infusionInotrope therapyInotropic therapyCardiopulmonary bypassHeart failureMulticenter cohortPrimary outcomeCirculatory supportBlack raceCirculation disordersOdds ratioCommunity hospitalObservational studySame patientPatients
2022
Geospatial analysis of patients’ social determinants of health for health systems science and disparity research
Pearson J, Jacobson C, Ugochukwu N, Asare E, Kan K, Pace N, Han J, Wan N, Schonberger R, Andreae M. Geospatial analysis of patients’ social determinants of health for health systems science and disparity research. International Anesthesiology Clinics 2022, 61: 49-62. PMID: 36480649, PMCID: PMC10107426, DOI: 10.1097/aia.0000000000000389.Peer-Reviewed Original ResearchOxygen administration during surgery and postoperative organ injury: observational cohort study
McIlroy D, Shotwell M, Lopez M, Vaughn M, Olsen J, Hennessy C, Wanderer J, Semler M, Rice T, Kheterpal S, Billings F, Group M, Cuff G, Freundlich R, Kurz A, Naik B, Mathis M, Schonberger R. Oxygen administration during surgery and postoperative organ injury: observational cohort study. The BMJ 2022, 379: e070941. PMID: 36450405, PMCID: PMC9710248, DOI: 10.1136/bmj-2022-070941.Peer-Reviewed Original ResearchConceptsAcute kidney injuryObservational cohort studyLung injuryKidney injuryMyocardial injuryOxygen administrationGreater oddsCohort studyMedian age 59 yearsHospital discharge diagnosis codesGlobal Outcomes criteriaAge 59 yearsHours of surgeryDischarge diagnosis codesPotential confounding variablesHemoglobin oxygen saturationPostoperative kidneyPrimary endpointAdult patientsMedian durationOrgan injurySerum troponinEndotracheal intubationGeneral anesthesiaKidney diseaseAssociation 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
2019
Preoperative chlorhexidine mouthwash to reduce pneumonia after cardiac surgery: A systematic review and meta-analysis
Bardia A, Blitz D, Dai F, Hersey D, Jinadasa S, Tickoo M, Schonberger RB. Preoperative chlorhexidine mouthwash to reduce pneumonia after cardiac surgery: A systematic review and meta-analysis. Journal Of Thoracic And Cardiovascular Surgery 2019, 158: 1094-1100. PMID: 30826096, DOI: 10.1016/j.jtcvs.2019.01.014.Peer-Reviewed Original ResearchConceptsPreoperative chlorhexidine mouthwashChlorhexidine gluconate mouthwashPostoperative pneumoniaCardiac surgeryChlorhexidine mouthwashHealth care burdenQuality of evidenceComprehensive systematic searchRandom-effects modelPreoperative chlorhexidineRecommendations AssessmentCommon complicationPrimary outcomePreoperative protocolPatient morbidityRisk ratioPatient outcomesCare burdenReduced riskIndependent reviewersCumulative IndexPneumoniaNLM PubMedChlorhexidine gluconatePatients
2018
Quantification of Postmembrane Gaseous Microembolization During Venoarterial Extracorporeal Membrane Oxygenation
Jiao Y, Gipson KE, Bonde P, Mangi A, Hagberg R, Rosinski DJ, Gross JB, Schonberger RB. Quantification of Postmembrane Gaseous Microembolization During Venoarterial Extracorporeal Membrane Oxygenation. ASAIO Journal 2018, 64: 31-37. PMID: 28557862, DOI: 10.1097/mat.0000000000000598.Peer-Reviewed Original ResearchConceptsVenoarterial extracorporeal membrane oxygenationVA-ECMO patientsExtracorporeal membrane oxygenationGaseous microemboliVA-ECMOECMO patientsMembrane oxygenationCardiopulmonary bypassAdult VA-ECMO patientsExtracorporeal membrane oxygenation circuitEnd-organ dysfunctionInstitutional review board approvalRoutine patient careMembrane oxygenation circuitPatient care eventsPatient care activitiesReview board approvalOrgan dysfunctionEmbolic rateClinical eventsObservational studyIntravenous injectionEnd organsGME volumeBoard approval
2017
Postcardiotomy Venoarterial Extracorporeal Membrane Oxygenation (VA ECMO) in Adult Patients – Many Questions, Few Answers, and Hard Choices
Bardia A, Schonberger RB. Postcardiotomy Venoarterial Extracorporeal Membrane Oxygenation (VA ECMO) in Adult Patients – Many Questions, Few Answers, and Hard Choices. Journal Of Cardiothoracic And Vascular Anesthesia 2017, 32: 1183-1184. PMID: 29276089, DOI: 10.1053/j.jvca.2017.10.037.Peer-Reviewed Original ResearchThe 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 inductionRebranding the Perioperative Surgical Home: Lessons From the Duke Experience
Schonberger RB. Rebranding the Perioperative Surgical Home: Lessons From the Duke Experience. Journal Of Cardiothoracic And Vascular Anesthesia 2016, 30: 1064-1066. PMID: 27313120, DOI: 10.1053/j.jvca.2016.03.143.Peer-Reviewed Original ResearchIs There Evidence for Systematic Upcoding of ASA Physical Status Coincident with Payer Incentives? A Regression Discontinuity Analysis of the National Anesthesia Clinical Outcomes Registry
Schonberger RB, Dutton RP, Dai F. Is There Evidence for Systematic Upcoding of ASA Physical Status Coincident with Payer Incentives? A Regression Discontinuity Analysis of the National Anesthesia Clinical Outcomes Registry. Anesthesia & Analgesia 2016, 122: 243-250. PMID: 26360960, PMCID: PMC4684754, DOI: 10.1213/ane.0000000000000917.Peer-Reviewed Original Research
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 ResearchConceptsFirst 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 veteransThe Importance of Cost as an Outcome in Anesthesiology Research
Schonberger RB. The Importance of Cost as an Outcome in Anesthesiology Research. Journal Of Cardiothoracic And Vascular Anesthesia 2015, 30: 10-11. PMID: 26711445, DOI: 10.1053/j.jvca.2015.10.016.Peer-Reviewed Original ResearchBalancing Model Performance and Simplicity to Predict Postoperative Primary Care Blood Pressure Elevation
Schonberger RB, Dai F, Brandt CA, Burg MM. Balancing Model Performance and Simplicity to Predict Postoperative Primary Care Blood Pressure Elevation. Anesthesia & Analgesia 2015, 121: 632-641. PMID: 26214552, PMCID: PMC4545382, DOI: 10.1213/ane.0000000000000860.Peer-Reviewed Original ResearchConceptsClinic blood pressureBlood pressureNet reclassification indexSurgical patientsReclassification indexLong-term cardiovascular morbidityBlood pressure thresholdBroader public health effortsPreoperative blood pressureBlood pressure elevationComplex logistic regression modelLong-term morbidityBlood pressure readingsPerioperative blood pressureOutpatient clinic followBlood pressure measurementsRole of anesthesiologistsPublic health effortsPossible beneficial effectsLongitudinal patient careLogistic regression modelsCardiovascular morbidityClinic followHypertension historyHypertensive rangeThe Surgical Care Improvement Project Antibiotic Guidelines
Schonberger RB, Barash PG, Lagasse RS. The Surgical Care Improvement Project Antibiotic Guidelines. Anesthesia & Analgesia 2015, 121: 397-403. PMID: 26197373, PMCID: PMC4510848, DOI: 10.1213/ane.0000000000000735.Peer-Reviewed Original ResearchMeSH KeywordsAccreditationAnti-Bacterial AgentsDrug Administration ScheduleDrug CostsGuideline AdherenceHospital CostsHumansPerioperative CarePolicy MakingPractice Guidelines as TopicPractice Patterns, Physicians'Quality ImprovementQuality Indicators, Health CareReimbursement, IncentiveSurgical Wound InfectionTreatment OutcomeConceptsSurgical Care Improvement ProjectSurgical site infectionSite infectionCare Improvement ProjectQuality improvement projectSuccessful quality improvement projectImprovement projectQuality improvement effortsAntibiotic recommendationsAntibiotic guidelinesQuality collaborativesIndividual cliniciansBehavioral interventionsGood evidenceInfectionCliniciansImprovement efforts