2023
Imaging acute cholecystitis, one test is enough
Schuster K, Schroeppel T, O'Connor R, Enniss T, Cripps M, Cullinane D, Kaafarani H, Crandall M, Puri R, Tominaga G. Imaging acute cholecystitis, one test is enough. The American Journal Of Surgery 2023, 226: 99-103. PMID: 36882336, DOI: 10.1016/j.amjsurg.2023.02.018.Peer-Reviewed Original ResearchConceptsCommon bile duct diameterBile duct diameterAcute cholecystitisIntra-class correlation coefficientDuct diameterRight upper quadrant painUpper quadrant painSigns of inflammationSingle imaging studyChi-square testQuadrant painPericholecystic fluidWall thicknessMulticenter studyPatientsImaging studiesCholecystitisAbnormal valuesGold standardAdequate informationPainInflammationAdmissionStudyDiagnosis
2021
Revision of the AAST grading scale for acute cholecystitis with comparison to physiologic measures of severity
Schuster KM, O’Connor R, Cripps M, Kuhlenschmidt K, Taveras L, Kaafarani HM, Hechi M, Puri R, Schroeppel TJ, Enniss TM, Cullinane DC, Cullinane LM, Agarwal S, Kaups K, Crandall M, Tominaga G. Revision of the AAST grading scale for acute cholecystitis with comparison to physiologic measures of severity. Journal Of Trauma And Acute Care Surgery 2021, 92: 664-674. PMID: 34936593, DOI: 10.1097/ta.0000000000003507.Peer-Reviewed Original ResearchConceptsAAST gradeAcute cholecystitisGrading systemAAST grading scaleAnatomic grading systemEmergency Surgery ScoreHigher AAST gradeRevised grading systemTrauma grading systemDistribution of patientsAAST grading systemKey clinical variablesTokyo GuidelinesBile leakChart reviewDischarge dispositionMajor complicationsOperative outcomesSurgery scoreMulticenter studyRadiologic dataClinical variablesOpen procedurePatient distributionLevel IVSex-based differences in helmet performance in bicycle trauma
Feler J, Maung AA, O'Connor R, Davis KA, Gerrard J. Sex-based differences in helmet performance in bicycle trauma. Journal Of Epidemiology & Community Health 2021, 75: 994-1000. PMID: 33827896, DOI: 10.1136/jech-2020-215544.Peer-Reviewed Original ResearchConceptsSex-based differencesBicycle traumaHead injuryHelmet useMultivariable logistic regression modelPatients 18 yearsRetrospective cohort studyNational Trauma DatabaseCervical spine fracturesSevere head injuryShort-term outcomesMotor vehicle collisionsSerious head injuryLogistic regression modelsAnticoagulant useCohort studyInjury overallIntracranial bleedingSpine fracturesTrauma databaseIntracranial hemorrhageCommon injuriesOdds reductionReduced oddsSkull fracture
2020
Multicenter validation of the American Association for the Surgery of Trauma grading scale for acute cholecystitis.
Schuster KM, O'Connor R, Cripps M, Kuhlenschmidt K, Taveras L, Kaafarani HM, El Hechi M, Puri R, Mull J, Schroeppel TJ, Rodriquez J, Cullinane DC, Cullinane LM, Enniss TM, Sensenig R, Zilberman B, Crandall M. Multicenter validation of the American Association for the Surgery of Trauma grading scale for acute cholecystitis. Journal Of Trauma And Acute Care Surgery 2020, 90: 87-96. PMID: 33332782, DOI: 10.1097/ta.0000000000002901.Peer-Reviewed Original ResearchConceptsAAST gradeTokyo GuidelinesAcute cholecystitisOperative timeEmergency general surgery (EGS) diseasesMedian AAST gradeTrauma grading scaleLonger operative timeSingle-institution studyModest discriminatory powerMulti-institutional fashionClinical decision makingAmerican AssociationPreoperative gradeUnderwent cholecystectomySurgical complicationsMean ageWorse outcomesPatient outcomesLevel IVCholecystitisOperative surgeonMulticenter validationGrading scaleGrading systemSpirometry not pain level predicts outcomes in geriatric patients with isolated rib fractures.
Schuster KM, Sanghvi M, O'Connor R, Becher R, Maung AA, Davis KA. Spirometry not pain level predicts outcomes in geriatric patients with isolated rib fractures. Journal Of Trauma And Acute Care Surgery 2020, 89: 947-954. PMID: 32467465, DOI: 10.1097/ta.0000000000002795.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overEmergency Service, HospitalFemaleHand StrengthHospitals, RehabilitationHumansIntensive Care UnitsLength of StayMalePainPain ManagementPain MeasurementPatient DischargePatient TransferPredictive Value of TestsProspective StudiesRib FracturesSpirometryTrauma CentersTreatment OutcomeConceptsLength of stayIsolated rib fracturesNegative inspiratory forceUnplanned ICU admissionRib fracturesPain levelsDay 1ICU admissionInspiratory forceGrip strengthMedian LOSHospital day 1Expiratory volume 1Complete spirometryPain controlDischarge dispositionPulmonary functionEarly dischargeGeriatric patientsVital capacityMean ageSpirometry measuresPulmonary capacityLevel IVFEV1
2015
Getting Used to Being a Patient: The Postoperative Experience of Living Liver Transplant Donors
O'Connor R, Parkosewich J, Curran J, Cartiera K, Knobf MT. Getting Used to Being a Patient: The Postoperative Experience of Living Liver Transplant Donors. Progress In Transplantation 2015, 25: 153-159. PMID: 26107276, DOI: 10.7182/pit2015298.Peer-Reviewed Original ResearchConceptsPostoperative experienceDonor hepatectomyLiver transplantHospital experienceLiving Liver Transplant DonorsQualitative interpretive descriptive designPatients' postoperative experienceDonor liver transplantLiver transplant donorsInterpretive descriptive designTransplant donorsTransplant teamMean ageTransplant experienceUniversity HospitalHealthy donorsEligible personsHorrible painPatientsTransplant donationHospitalization experienceInformed consentSample adultsHepatectomyDescriptive design