2020
Spirometry 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
2018
Opioid dependency is independently associated with inferior clinical outcomes after trauma
Hsiang WR, McGeoch C, Lee S, Cheung W, Becher R, Davis KA, Schuster K. Opioid dependency is independently associated with inferior clinical outcomes after trauma. Injury 2018, 50: 192-196. PMID: 30342762, DOI: 10.1016/j.injury.2018.10.015.Peer-Reviewed Original ResearchConceptsNon-home dischargeOpioid-dependent patientsLength of stayInjury Severity ScoreOpioid dependencyVentilator daysMajor complicationsClinical outcomesPrescription abuseIllicit abuseLonger LOSChronic pain subgroupsMore ventilator daysOpioid-naïve patientsUse of opioidsAcademic Level IHigher readmission ratesInferior clinical outcomesChronic pain patientsOpioid subgroupsNaïve patientsAdult patientsPain subgroupsPatient demographicsReadmission ratesComparison of Outcomes in Below-Knee Amputation between Vascular and General Surgeons
Pei KY, Zhang Y, Sarac T, Davis KA. Comparison of Outcomes in Below-Knee Amputation between Vascular and General Surgeons. Annals Of Vascular Surgery 2018, 50: 259-268. PMID: 29501591, DOI: 10.1016/j.avsg.2017.11.073.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmputation, SurgicalChi-Square DistributionClinical CompetenceDatabases, FactualEmergenciesFemaleGeneral SurgeryHospitals, TeachingHumansLength of StayLinear ModelsLogistic ModelsLower ExtremityMaleMiddle AgedMultivariate AnalysisOdds RatioPostoperative ComplicationsRetrospective StudiesRisk FactorsSpecializationSurgeonsTime FactorsTreatment OutcomeUnited StatesVascular Surgical ProceduresConceptsVascular surgeonsGeneral surgeonsKnee amputationInfectious indicationsNational Surgical Quality Improvement Project databaseSurgeons National Surgical Quality Improvement Project databaseUnconditional logistic regression modelsRisk of pneumoniaPeripheral vascular diseaseLower extremity amputationBelow knee amputationComparison of outcomesEffect of specialtyLogistic regression modelsOverall complicationsVascular consultationPostoperative complicationsPatient demographicsPostoperative outcomesPulmonary embolismComorbid conditionsRegression modelsExtremity amputationRetrospective studyVascular disease
2017
Impact of Race on the Surgical Management of Adhesive Small Bowel Obstruction
Chiu AS, Jean RA, Davis KA, Pei KY. Impact of Race on the Surgical Management of Adhesive Small Bowel Obstruction. Journal Of The American College Of Surgeons 2017, 226: 968-976.e1. PMID: 29170020, DOI: 10.1016/j.jamcollsurg.2017.11.006.Peer-Reviewed Original ResearchConceptsSmall bowel obstructionManagement of SBOAdhesive small bowel obstructionBowel obstructionWhite patientsOpen surgeryPatient raceNational Surgical Quality Improvement ProgramSurgical Quality Improvement ProgramSurgical decision-making processSmall bowel resectionQuality Improvement ProgramLogistic regression modelsAnesthesiologists classPostoperative complicationsBowel resectionPatient comorbiditiesHospital admissionNonsurgical managementBlack patientsHispanic patientsSurgical managementOpen procedureProvider judgmentGeneral surgeonsLaparoscopic colectomy reduces complications and hospital length of stay in colon cancer patients with liver disease and ascites
Pei KY, Asuzu DT, Davis KA. Laparoscopic colectomy reduces complications and hospital length of stay in colon cancer patients with liver disease and ascites. Surgical Endoscopy 2017, 32: 1286-1292. PMID: 28812198, DOI: 10.1007/s00464-017-5806-4.Peer-Reviewed Original ResearchConceptsHospital lengthLaparoscopic colectomyColon cancerPostoperative complicationsOdds ratioNational Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement Program databaseQuality Improvement Program databaseOpen partial colectomyImprovement Program databaseShorter hospital lengthRisk of deathAdjusted odds ratioHigh-risk populationColon cancer patientsTwo-sample t-testConclusionsLaparoscopic colectomyOverall complicationsPerioperative complicationsPostoperative outcomesPostoperative riskAbsolute contraindicationLaparoscopic approachLiver diseaseOperative timeImpact of hospital volume on outcomes for laparoscopic adhesiolysis for small bowel obstruction
Jean RA, O'Neill KM, Pei KY, Davis KA. Impact of hospital volume on outcomes for laparoscopic adhesiolysis for small bowel obstruction. Journal Of Surgical Research 2017, 214: 23-31. PMID: 28624050, DOI: 10.1016/j.jss.2017.02.045.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overDatabases, FactualFemaleHospital CostsHospitals, High-VolumeHospitals, Low-VolumeHumansIntestinal ObstructionIntestine, SmallLaparoscopyLength of StayLinear ModelsMaleMiddle AgedMultivariate AnalysisTissue AdhesionsTreatment OutcomeUnited StatesYoung AdultConceptsSmall bowel obstructionLength of stayHigh-volume hospitalsBowel obstructionHospital volumeVolume statusProcedural volumeSurgical proceduresDiagnosis of SBODecreased LOSShorter LOSNationwide Inpatient Sample dataHigh-volume statusHospital volume statusInstitutional procedural volumeIntra-abdominal malignanciesHigher hospital volumeLow-volume hospitalsHigh-volume centersMajor surgical proceduresSmall bowel resectionLow volume statusComplex surgical proceduresLaparoscopic lysisAdult patients
2016
The older they are the harder they fall: Injury patterns and outcomes by age after ground level falls
Bhattacharya B, Maung A, Schuster K, Davis KA. The older they are the harder they fall: Injury patterns and outcomes by age after ground level falls. Injury 2016, 47: 1955-1959. PMID: 27346422, DOI: 10.1016/j.injury.2016.06.019.Peer-Reviewed Original ResearchMeSH KeywordsAccidental FallsAgedAged, 80 and overAnticoagulantsAspirinComorbidityFemaleFollow-Up StudiesFractures, BoneGeriatric AssessmentHospitalizationHumansInjury Severity ScoreIntracranial HemorrhagesMaleMultiple TraumaPlatelet Aggregation InhibitorsRetrospective StudiesSurvival AnalysisTrauma CentersTreatment OutcomeUnited StatesConceptsGround-level fallInjury patternsAnticoagulation useAspirin useIntracranial bleedAnticoagulation agentsAbdominal solid organ injuriesCertain injury patternsAdult trauma patientsSolid organ injuryAntiplatelet useHome dischargePatient characteristicsLife expectancy increasesMean ISSOrgan injuryOverall mortalityRetrospective reviewTrauma patientsGeriatric patientsSignificant morbidityTrauma centerPatient populationPelvic fracturesCervical spine
2014
The Use of Magnetic Resonance Imaging in the Diagnosis of Suspected Appendicitis in Pregnancy : Shortened Length of Stay Without Increase in Hospital Charges
Fonseca AL, Schuster KM, Kaplan LJ, Maung AA, Lui FY, Davis KA. The Use of Magnetic Resonance Imaging in the Diagnosis of Suspected Appendicitis in Pregnancy : Shortened Length of Stay Without Increase in Hospital Charges. JAMA Surgery 2014, 149: 687-693. PMID: 24871698, DOI: 10.1001/jamasurg.2013.4658.Peer-Reviewed Original ResearchConceptsMR imaging groupHospital chargesNontherapeutic explorationsPregnant patientsImaging groupFetal outcomesShorter LOSEmergency departmentUniversity tertiary referral centerMean hospital chargesTertiary referral centerLength of stayMagnetic resonancePathology-confirmed appendicitisAbdominal painOperative interventionReferral centerClinical outcomesGestational ageMultivariable analysisRetrospective reviewFetal lossAppendicitisMAIN OUTCOMEPatientsMorbid obesity predisposes trauma patients to worse outcomes
Ditillo M, Pandit V, Rhee P, Aziz H, Hadeed S, Bhattacharya B, Friese RS, Davis K, Joseph B. Morbid obesity predisposes trauma patients to worse outcomes. Journal Of Trauma And Acute Care Surgery 2014, 76: 176-179. PMID: 24368375, DOI: 10.1097/ta.0b013e3182ab0d7c.Peer-Reviewed Original ResearchConceptsBlunt traumatic injuryMorbidly obese patientsInjury Severity ScoreObese patientsGlasgow Coma ScaleHospital complicationsMorbid obesityTraumatic injuryNonobese patientsTrauma patientsIntensive care unit stayNational Trauma Data BankBlunt trauma patientsLonger hospital stayImpact of obesitySystolic blood pressureOverall mortality rateTrauma Data BankInjury prevention effortsConsequences of obesityTraumatic brain injuryUnit stayHospital staySecondary outcomesBlood pressure
2012
Compared to conventional ventilation, airway pressure release ventilation may increase ventilator days in trauma patients
Maung AA, Schuster KM, Kaplan LJ, Ditillo MF, Piper GL, Maerz LL, Lui FY, Johnson DC, Davis KA. Compared to conventional ventilation, airway pressure release ventilation may increase ventilator days in trauma patients. Journal Of Trauma And Acute Care Surgery 2012, 73: 507-510. PMID: 23019679, DOI: 10.1097/ta.0b013e31825ff653.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedContinuous Positive Airway PressureCritical CareDatabases, FactualFemaleFollow-Up StudiesHumansInjury Severity ScoreIntra-Abdominal HypertensionLength of StayLinear ModelsMaleMiddle AgedMultivariate AnalysisPulmonary Gas ExchangeRespiration, ArtificialRetrospective StudiesRisk AssessmentSurvival RateTime FactorsTrauma CentersTreatment OutcomeVentilator WeaningWounds and InjuriesConceptsAirway pressure release ventilationTotal ventilator daysVentilator daysHospital complicationsMechanical ventilationAIS scoreChest Abbreviated Injury Scale scoreAbbreviated Injury Scale scoreSpontaneous breathing trialAbdominal compartment syndromeAcute lung injuryAcute renal failureInjury Scale scoreStudy entry criteriaInjury Severity ScorePotential confounding factorsAPRV groupAPRV modeBreathing trialRescue therapyCompartment syndromeLung injuryRenal failureIndependent predictorsRetrospective reviewNon-operative management of acute cholecystitis in the elderly
McGillicuddy E, Schuster K, Barre K, Suarez L, Hall M, Kaml G, Davis K, Longo W. Non-operative management of acute cholecystitis in the elderly. British Journal Of Surgery 2012, 99: 1254-1261. PMID: 22829411, DOI: 10.1002/bjs.8836.Peer-Reviewed Original ResearchConceptsRecurrent acute cholecystitisAcute cholecystitisNon-operative managementDiagnosis of ACNon-operative groupAcute respiratory failureNon-operative treatmentTertiary care centerMonth of deathElective cholecystectomyIndex admissionInterval cholecystectomyOperative morbidityPostoperative morbidityRespiratory failureCholecystectomy ratesComplication ratePercutaneous cholecystostomyStandard therapyMajor complicationsPostoperative detailsMedical managementMyocardial infarctionMedical recordsPhysiological reserve
2010
Aortic endograft sizing in trauma patients with hemodynamic instability
Jonker FH, Verhagen HJ, Mojibian H, Davis KA, Moll FL, Muhs BE. Aortic endograft sizing in trauma patients with hemodynamic instability. Journal Of Vascular Surgery 2010, 52: 39-44. PMID: 20494542, DOI: 10.1016/j.jvs.2010.02.256.Peer-Reviewed Original ResearchMeSH KeywordsAdultAorta, ThoracicAortographyBlood PressureBlood Vessel ProsthesisBlood Vessel Prosthesis ImplantationFemaleHeart RateHemodynamicsHumansMaleMiddle AgedProsthesis DesignRegistriesRetrospective StudiesSeverity of Illness IndexThoracic InjuriesTomography, X-Ray ComputedTreatment OutcomeYoung AdultConceptsThoracic endovascular aortic repairTraumatic thoracic aortic injuryEndovascular aortic repairAortic diameterTrauma patientsHemodynamic instabilityComputed tomographyCT examinationsAortic repairYale-New Haven HospitalControl CT examinationInitial CT examinationThoracic aortic injuryInitial computed tomographyInjury Severity ScoreMean aortic diameterUnstable trauma patientsBeats/minNew Haven HospitalControl CTStudent's t-testAortic injuryBlood pressureUnstable patientsAortic measurementsFactors Associated With Survival Following Blunt Chest Trauma in Older Patients: Results From a Large Regional Trauma Cooperative
Harrington DT, Phillips B, Machan J, Zacharias N, Velmahos GC, Rosenblatt MS, Winston E, Patterson L, Desjardins S, Winchell R, Brotman S, Churyla A, Schulz JT, Maung AA, Davis KA. Factors Associated With Survival Following Blunt Chest Trauma in Older Patients: Results From a Large Regional Trauma Cooperative. JAMA Surgery 2010, 145: 432-437. PMID: 20479340, DOI: 10.1001/archsurg.2010.71.Peer-Reviewed Original ResearchConceptsHigh-volume trauma centerInjury Severity ScoreCongestive heart failurePatient-controlled analgesiaRib fracturesTrauma centerSeverity scoreOlder patientsHeart failureMultivariable analysisTraumatic rib fracturesBlunt chest traumaPatient dataDevelopment of pneumoniaCoronary artery diseaseLevel I centersTraumatic chest injuriesStandard care practicesChest scoreChest traumaArtery diseaseImproved survivalIndependent predictorsPatient factorsUnivariable analysis
2009
Factors Predicting Morbidity and Mortality in Emergency Colorectal Procedures in Elderly Patients
McGillicuddy EA, Schuster KM, Davis KA, Longo WE. Factors Predicting Morbidity and Mortality in Emergency Colorectal Procedures in Elderly Patients. JAMA Surgery 2009, 144: 1157-1162. PMID: 20026835, DOI: 10.1001/archsurg.2009.203.Peer-Reviewed Original ResearchConceptsEmergency colorectal proceduresEmergent colorectal proceduresColorectal proceduresHospital mortalityElderly patientsUniversity tertiary referral centerIntra-abdominal contaminationIntraoperative blood lossPatients 65 yearsAdvanced colorectal cancerCurrent Procedural Terminology codesModifiable risk factorsTertiary referral centerColorectal cancer screeningRecurrent respiratory failureProcedural Terminology codesPredicting MorbidityHospital morbidityPostoperative morbidityRenal insufficiencyRespiratory failureFrequent complicationReferral centerBlood lossRetrospective review
2004
Use of Presumptive Antibiotics following Tube Thoracostomy for Traumatic Hemopneumothorax in the Prevention of Empyema and Pneumonia—A Multi-Center Trial
Maxwell RA, Campbell DJ, Fabian TC, Croce MA, Luchette FA, Kerwin AJ, Davis KA, Nagy K, Tisherman S. Use of Presumptive Antibiotics following Tube Thoracostomy for Traumatic Hemopneumothorax in the Prevention of Empyema and Pneumonia—A Multi-Center Trial. Journal Of Trauma And Acute Care Surgery 2004, 57: 742-749. PMID: 15514527, DOI: 10.1097/01.ta.0000147481.42186.42.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAntibiotic ProphylaxisCefazolinChest TubesDevice RemovalDouble-Blind MethodEmpyema, PleuralFemaleFollow-Up StudiesHemopneumothoraxHumansInjury Severity ScoreLogistic ModelsMaleMiddle AgedMultivariate AnalysisPneumonia, BacterialProspective StudiesReference ValuesRisk AssessmentThoracic InjuriesThoracostomyTrauma CentersTreatment OutcomeConceptsIncidence of empyemaRisk of empyemaPresumptive antibioticsTube thoracostomyTraumatic hemopneumothoraxDouble-blind trialUse of cefazolinLogistic regression analysisTube thoracostomy placementCenter trialTube placementInjury scoreAntibiotic useGroup A.EmpyemaThoracostomy placementChi analysisPneumoniaThoracostomyHemopneumothoraxPatientsRegression analysisAntibioticsInjuryIncidenceTen Year Experience of Burn, Trauma, and Combined Burn/Trauma Injuries Comparing Outcomes
Santaniello JM, Luchette FA, Esposito TJ, Gunawan H, Reed RL, Davis KA, Gamelli RL. Ten Year Experience of Burn, Trauma, and Combined Burn/Trauma Injuries Comparing Outcomes. Journal Of Trauma And Acute Care Surgery 2004, 57: 696-701. PMID: 15514521, DOI: 10.1097/01.ta.0000140480.50079.a8.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge DistributionAgedBurn UnitsBurnsBurns, InhalationCause of DeathChildCombined Modality TherapyCritical CareFemaleFollow-Up StudiesHumansInjury Severity ScoreLogistic ModelsMaleMiddle AgedMultiple TraumaMultivariate AnalysisPredictive Value of TestsRegistriesRetrospective StudiesRisk AssessmentSex DistributionSurvival AnalysisTrauma CentersTreatment OutcomeConceptsInjury Severity ScoreNational Trauma Data BankLength of stayNational Burn RepositoryInhalation injuryIndependent predictorsMultiple logistic regressionInjury patternsPercent total body surface area burnsTotal body surface area burnsBody surface area burnsLogistic regressionT patientsBurn/traumaRare injury patternSurface area burnsTrauma Data BankT-testStudent's t-testTrauma patientsRetrospective reviewTrauma registryPatient populationComparing outcomesSeverity scoreSplenic Embolization Revisited: A Multicenter Review
Haan JM, Biffl W, Knudson MM, Davis KA, Oka T, Majercik S, Dicker R, Marder S, Scalea TM. Splenic Embolization Revisited: A Multicenter Review. Journal Of Trauma And Acute Care Surgery 2004, 56: 542-547. PMID: 15128125, DOI: 10.1097/01.ta.0000114069.73054.45.Peer-Reviewed Original ResearchMeSH KeywordsAbdominal InjuriesAdultAneurysm, FalseArteriovenous FistulaEmbolization, TherapeuticExtravasation of Diagnostic and Therapeutic MaterialsFemaleHemoperitoneumHumansMaleOutcome Assessment, Health CareRadiographyRetrospective StudiesSalvage TherapySpleenSplenectomySplenic RuptureTrauma CentersTreatment FailureTreatment OutcomeUnited StatesWounds, NonpenetratingConceptsSplenic salvage rateSplenic embolizationSalvage rateMulticenter reviewModerate injury severity scoreRetrospective multicenter reviewHigh-grade injuriesRetrospective chart reviewInjury Severity ScoreYoung male patientTomographic scan resultsYears of ageMotor vehicle crashesSignificant hemoperitoneumTomographic gradeEmbolization groupInjury gradeSplenic injuryChart reviewPatient demographicsSplenic abscessYounger patientsArterial injuryGrade injuriesMajor complications
2001
Multiinstitutional experience with the management of superior mesenteric artery injuries1 1No competing interests declared.
Asensio J, Britt L, Borzotta A, Peitzman A, Miller F, Mackersie R, Pasquale M, Pachter H, Hoyt D, Rodriguez J, Falcone R, Davis K, Anderson J, Ali J, Chan L. Multiinstitutional experience with the management of superior mesenteric artery injuries1 1No competing interests declared. Journal Of The American College Of Surgeons 2001, 193: 354-365. PMID: 11584962, DOI: 10.1016/s1072-7515(01)01044-4.Peer-Reviewed Original ResearchConceptsAbdominal vascular injuriesIndependent risk factorIschemia gradeInjury Severity ScoreVascular injuryRisk factorsSMA injuryAnatomic zonesSurgical managementMultiinstitutional experienceGrade IVHigher intraoperative transfusion requirementsMean Injury Severity ScoreSuperior mesenteric artery injuryTrauma Organ Injury ScalePresence of acidosisRetrospective multiinstitutional studyMultisystem organ failureLogistic regression analysisStepwise logistic regressionSubsequent multivariate analysisAAST-OISIntraoperative acidosisTransfusion requirementsArtery injuryPenetrating Colon Injuries Requiring Resection: Diversion or Primary Anastomosis? An AAST Prospective Multicenter Study
Demetriades D, Murray J, Chan L, Ordoñez C, Bowley D, Nagy K, Cornwell E, Velmahos G, Muñoz N, Hatzitheofilou C, Schwab C, Rodriguez A, Cornejo C, Davis K, Namias N, Wisner D, Ivatury R, Moore E, Acosta J, Maull K, Thomason M, Spain D. Penetrating Colon Injuries Requiring Resection: Diversion or Primary Anastomosis? An AAST Prospective Multicenter Study. Journal Of Trauma And Acute Care Surgery 2001, 50: 765-775. PMID: 11371831, DOI: 10.1097/00005373-200105000-00001.Peer-Reviewed Original ResearchConceptsIndependent risk factorAbdominal complicationsPrimary anastomosisRisk factorsUnits of bloodMultivariate analysisAntibiotic prophylaxisProspective studyTrauma centerMultivariate logistic regression analysisColon-related mortalitySingle trauma centerClass III evidenceHigh-risk patientsMulticenter prospective studyProspective multicenter studyAssociated risk factorsSevere fecal contaminationPotential risk factorsLogistic regression analysisQuality of lifeColon injuriesSuch patientsColon resectionColostomy patients
1999
Secondary Abdominal Compartment Syndrome: An Underappreciated Manifestation of Severe Hemorrhagic Shock
Maxwell R, Fabian T, Croce M, Davis K. Secondary Abdominal Compartment Syndrome: An Underappreciated Manifestation of Severe Hemorrhagic Shock. Journal Of Trauma And Acute Care Surgery 1999, 47: 995. PMID: 10608523, DOI: 10.1097/00005373-199912000-00001.Peer-Reviewed Original ResearchMeSH KeywordsAbdomenAcute DiseaseAdolescentAdultBlood Gas AnalysisBlood TransfusionCause of DeathCompartment SyndromesCrystalloid SolutionsDecompression, SurgicalFemaleHemodynamicsHumansIsotonic SolutionsMaleMiddle AgedMultiple TraumaPlasma SubstitutesRegistriesResuscitationShock, HemorrhagicSurvival AnalysisTime FactorsTrauma CentersTreatment OutcomeConceptsAbdominal compartment syndromeSecondary abdominal compartment syndromeSevere hemorrhagic shockAbdominal injuriesHemorrhagic shockResuscitation volumeCompartment syndromeBladder pressureTrauma intensive care unit patientsIntensive care unit admissionIntensive care unit patientsLevel I trauma centerPacked red blood cellsCare unit admissionIntra-abdominal injuriesExtremity compartment syndromeI trauma centerCare unit patientsPeak inspiratory pressurePacked red cellsAbdominal decompressionUnit admissionRed blood cellsUnit patientsBase deficit