2020
Incidence, predictors, and timing of post-operative stroke following elective total hip arthroplasty and total knee arthroplasty
Haynes MS, Alder KD, Bellamkonda K, Kuzomunhu L, Grauer JN. Incidence, predictors, and timing of post-operative stroke following elective total hip arthroplasty and total knee arthroplasty. PLOS ONE 2020, 15: e0239239. PMID: 32941539, PMCID: PMC7498016, DOI: 10.1371/journal.pone.0239239.Peer-Reviewed Original ResearchConceptsTotal knee arthroplastyTotal hip arthroplastyIndependent risk factorPostoperative day twoPostoperative strokeKnee arthroplastyRisk factorsHip arthroplastyElective primary total hip arthroplastyTHA/TKANational Surgical Quality Improvement databaseElective total hip arthroplastyDay twoPrimary total hip arthroplastyPostoperative day ninePost-operative strokeTiming of strokeHigher American SocietyIncidence of strokePostoperative day oneMajority of strokesQuality improvement databaseRetrospective comparative studyAnesthesiologists (ASA) scoreCouncil patientsPostoperative Pressure Ulcers After Geriatric Hip Fracture Surgery Are Predicted by Defined Preoperative Comorbidities and Postoperative Complications.
Galivanche AR, Kebaish KJ, Adrados M, Ottesen TD, Varthi AG, Rubin LE, Grauer JN. Postoperative Pressure Ulcers After Geriatric Hip Fracture Surgery Are Predicted by Defined Preoperative Comorbidities and Postoperative Complications. Journal Of The American Academy Of Orthopaedic Surgeons 2020, 28: 342-351. PMID: 31567615, DOI: 10.5435/jaaos-d-19-00104.Peer-Reviewed Original ResearchConceptsPostoperative pressure ulcersHip fracture surgeryPostoperative complicationsPressure ulcersRisk factorsPreoperative comorbiditiesFracture surgerySurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseGeriatric hip fracture patientsGeriatric hip fracture surgeryQuality Improvement Program databaseMultivariate regressionNSQIP Participant Use FilePreoperative risk factorsHip fracture patientsImprovement Program databaseUrinary tract infectionElevated platelet countInsulin-dependent diabetesParticipant Use FilePressure ulcer developmentQuality Improvement ProgramPostoperative deliriumPostoperative pneumonia
2019
Elective Total Shoulder Arthroplasty in Octogenarians: A Safe Procedure.
Bovonratwet P, Malpani R, Ondeck NT, Tyagi V, Grauer JN. Elective Total Shoulder Arthroplasty in Octogenarians: A Safe Procedure. Journal Of The American Academy Of Orthopaedic Surgeons 2019, 27: 145-154. PMID: 30252789, DOI: 10.5435/jaaos-d-17-00364.Peer-Reviewed Original ResearchConceptsPrimary total shoulder arthroplastyTotal shoulder arthroplastyNational Surgical Quality Improvement Program databaseQuality Improvement Program databaseImprovement Program databasePerioperative complicationsHospital stayProgram databaseShoulder arthroplastyElective total shoulder arthroplastyPropensity score-matched comparisonYoung populationRate of readmissionUrinary tract infectionPost-discharge careOctogenarian patientsPreoperative optimizationOctogenarian populationPerioperative coursePatient characteristicsTract infectionsSafe procedureRisk factorsOctogenariansReadmission
2018
Predicting Adverse Outcomes After Total Hip Arthroplasty: A Comparison of Demographics, the American Society of Anesthesiologists class, the Modified Charlson Comorbidity Index, and the Modified Frailty Index.
Ondeck NT, Bohl DD, Bovonratwet P, Anandasivam NS, Cui JJ, McLynn RP, Grauer JN. Predicting Adverse Outcomes After Total Hip Arthroplasty: A Comparison of Demographics, the American Society of Anesthesiologists class, the Modified Charlson Comorbidity Index, and the Modified Frailty Index. Journal Of The American Academy Of Orthopaedic Surgeons 2018, 26: 735-743. PMID: 30130353, DOI: 10.5435/jaaos-d-17-00009.Peer-Reviewed Original ResearchConceptsCharlson Comorbidity IndexTotal hip arthroplastyComorbidity indexAdverse outcomesAdverse eventsFrailty indexAnesthesiologists classTHA patientsHip arthroplastyModified Charlson Comorbidity IndexGeneral health complicationsModified Frailty IndexPerioperative adverse outcomesMinor adverse eventsExtended hospital staySevere adverse eventsHigh-level careComparison of demographicsAmerican SocietyDiscriminative abilityPatients ASAHospital stayPerioperative outcomesGreater discriminative abilityHealth complicationsThe Rothman Index Is Associated With Postdischarge Adverse Events After Hip Fracture Surgery in Geriatric Patients
McLynn RP, Ottesen TD, Ondeck NT, Cui JJ, Rubin LE, Grauer JN. The Rothman Index Is Associated With Postdischarge Adverse Events After Hip Fracture Surgery in Geriatric Patients. Clinical Orthopaedics And Related Research® 2018, 476: 997-1006. PMID: 29419631, PMCID: PMC5916609, DOI: 10.1007/s11999.0000000000000186.Peer-Reviewed Original ResearchConceptsRothman Index scoresPostdischarge adverse eventsHip fracture surgeryPostdischarge adverse outcomesAdverse eventsASA classRothman IndexHip fractureFracture surgeryIndex scoreGeriatric patientsAdverse outcomesMedical CenterOverall patient statusHip fracture careRoutine laboratory valuesMeasures of comorbidityRisk of complicationsBody mass indexAge 65 yearsPlan of careVulnerable patient populationCondition of patientsAcademic medical centerElectronic medical recordsHow Common—and How Serious— Is Clostridium difficile Colitis After Geriatric Hip Fracture? Findings from the NSQIP Dataset
Bovonratwet P, Bohl DD, Russo GS, Ondeck NT, Nam D, Della Valle CJ, Grauer JN. How Common—and How Serious— Is Clostridium difficile Colitis After Geriatric Hip Fracture? Findings from the NSQIP Dataset. Clinical Orthopaedics And Related Research® 2018, 476: 453-462. PMID: 29443839, PMCID: PMC6260047, DOI: 10.1007/s11999.0000000000000099.Peer-Reviewed Original ResearchConceptsHip fracture surgeryClostridium difficile colitisDifficile colitisGeriatric hip fracturesChronic care facilitiesHip fractureFracture surgeryPostoperative lengthGeriatric patientsHigh riskPreoperative anemiaCurrent smokersCare facilitiesStrict hand hygieneProphylactic antibiotic regimensFuture prospective studiesHospital quality metricsLarge database studiesStepwise multivariate modelLarge national databasePostdischarge dataAntibiotic regimensInfectious diagnosisPreoperative factorsProphylactic antibiotics
2017
Discriminative Ability of Elixhauser's Comorbidity Measure is Superior to Other Comorbidity Scores for Inpatient Adverse Outcomes After Total Hip Arthroplasty
Ondeck NT, Bohl DD, Bovonratwet P, McLynn RP, Cui JJ, Grauer JN. Discriminative Ability of Elixhauser's Comorbidity Measure is Superior to Other Comorbidity Scores for Inpatient Adverse Outcomes After Total Hip Arthroplasty. The Journal Of Arthroplasty 2017, 33: 250-257. PMID: 28927567, DOI: 10.1016/j.arth.2017.08.032.Peer-Reviewed Original ResearchConceptsElixhauser comorbidity measuresCharlson Comorbidity IndexTotal hip arthroplastyAdverse outcomesComorbidity measuresComorbidity indexHip arthroplastyDiscriminative abilityBody mass indexNational Inpatient SampleLength of stayAdverse patient outcomesComorbidity scoreHospital stayPerioperative courseFrailty indexMass indexComplication measuresPatient's probabilityInpatient SamplePatient outcomesDemographic factors ageHigh riskOptimize outcomesAdmission centerDoes Preoperative Pneumonia Affect Complications of Geriatric Hip Fracture Surgery?
Patterson JT, Bohl DD, Basques BA, Arzeno AH, Grauer JN. Does Preoperative Pneumonia Affect Complications of Geriatric Hip Fracture Surgery? The American Journal Of Orthopedics 2017, 46: e177-e185. PMID: 28666049.Peer-Reviewed Original ResearchConceptsHip fracture repairHip fracture patientsGeriatric hip fracture patientsHip fracture surgeryPreoperative pneumoniaFracture patientsAdverse eventsFracture repairFracture surgeryAdverse outcomesNational Surgical Quality Improvement Program databaseEarly hip fracture surgeryGeriatric hip fracture surgeryQuality Improvement Program databaseChronic obstructive pulmonary diseaseUnderweight body mass indexSerious adverse eventsImprovement Program databaseObstructive pulmonary diseaseTime of surgeryBody mass indexPreoperative anemiaDelaying surgeryRetrospective cohortHip fracture
2016
Most 30-day Readmissions After Anterior Cervical Discectomy and Fusion Are Not Due to Surgical Site-Related Issues
Samuel AM, Fu MC, Toy JO, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Albert TJ, Grauer JN. Most 30-day Readmissions After Anterior Cervical Discectomy and Fusion Are Not Due to Surgical Site-Related Issues. Spine 2016, 41: 1801-1807. PMID: 27398892, DOI: 10.1097/brs.0000000000001775.Peer-Reviewed Original ResearchConceptsAnterior cervical discectomyCommon reasonElective ACDFCervical discectomyNational Surgical Quality Improvement Program databaseQuality Improvement Program databaseAdequate postoperative managementHemorrhage/hematomaPreoperative medical optimizationCauses of readmissionCervical spine pathologyDays of dischargeHigher American SocietyImprovement Program databaseSurgical site infectionCareful patient selectionQuality-based reimbursementAnesthesiologists classMedical optimizationMost readmissionsNSQIP databasePostoperative daySite infectionPatient selectionPostoperative managementFactors Affecting Length of Stay and Complications After Elective Anterior Cervical Discectomy and Fusion
Gruskay JA, Fu M, Basques BA, Bohl DD, Buerba RA, Webb ML, Grauer JN. Factors Affecting Length of Stay and Complications After Elective Anterior Cervical Discectomy and Fusion. Clinical Spine Surgery A Spine Publication 2016, 29: e34-e42. PMID: 24525748, DOI: 10.1097/bsd.0000000000000080.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedCervical VertebraeDatabases, FactualDecompression, SurgicalElective Surgical ProceduresFemaleHumansIntervertebral Disc DisplacementLength of StayMaleOrthopedicsOutcome Assessment, Health CarePostoperative ComplicationsRetrospective StudiesSeverity of Illness IndexSex FactorsUnited StatesConceptsLength of stayElective anterior cervical discectomyExtended LOSAnterior cervical discectomyAge 65 yearsMajor complicationsExtended surgery timeMultivariate analysisPreoperative anemiaPreoperative factorsCervical discectomySurgery timeNational Surgical Quality Improvement Project databaseSurgeons National Surgical Quality Improvement Project databaseAverage LOSOrgan space infectionVenous thrombotic eventsACS-NSQIP databaseFactors Affecting LengthLarge database analysisACDF proceduresASA scorePerioperative factorsPerioperative variablesPostoperative complications
2015
Incidence and risk factors for pneumonia following anterior cervical decompression and fusion procedures: an ACS-NSQIP study
Bohl DD, Ahn J, Rossi VJ, Tabaraee E, Grauer JN, Singh K. Incidence and risk factors for pneumonia following anterior cervical decompression and fusion procedures: an ACS-NSQIP study. The Spine Journal 2015, 16: 335-342. PMID: 26616171, DOI: 10.1016/j.spinee.2015.11.021.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAdolescentAdultAge FactorsAgedCervical VertebraeComorbidityDecompression, SurgicalFemaleHumansIncidenceMaleMiddle AgedMultivariate AnalysisPneumoniaPostoperative ComplicationsPulmonary Disease, Chronic ObstructiveQuality ImprovementRegression AnalysisRetrospective StudiesRisk FactorsSpinal FusionYoung AdultConceptsIndependent risk factorDevelopment of pneumoniaChronic obstructive pulmonary diseaseAnterior cervical decompressionGreater operative durationObstructive pulmonary diseaseACDF proceduresRisk factorsReadmission ratesCervical decompressionOperative durationPulmonary diseaseSurgeons National Surgical Quality Improvement ProgramNational Surgical Quality Improvement ProgramSurgical Quality Improvement ProgramACS-NSQIP studyDependent functional statusRetrospective cohort studyIncidence of pneumoniaHigher readmission ratesDiagnosis of pneumoniaFusion proceduresImportant clinical consequencesMultivariate regressionQuality Improvement ProgramRisk Factors for Blood Transfusion With Primary Posterior Lumbar Fusion
Basques BA, Anandasivam NS, Webb ML, Samuel AM, Lukasiewicz AM, Bohl DD, Grauer JN. Risk Factors for Blood Transfusion With Primary Posterior Lumbar Fusion. Spine 2015, 40: 1792-1797. PMID: 26165220, DOI: 10.1097/brs.0000000000001047.Peer-Reviewed Original ResearchConceptsPrimary posterior lumbar fusionPosterior lumbar fusionBlood transfusionLumbar fusionPostoperative outcomesRisk factorsSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseDeep surgical site infectionShort-term postoperative outcomesQuality Improvement Program databasePosterior lumbar fusion surgeryRetrospective cohort studyImprovement Program databaseSurgical site infectionLumbar fusion surgeryAnesthesiologists classPostoperative complicationsPostoperative lengthPreoperative hematocritCohort studyPatient characteristicsPulmonary embolismBlood lossPulmonary diseaseUrinary Tract Infection Following Posterior Lumbar Fusion Procedures
Bohl DD, Ahn J, Tabaraee E, Ahn J, Jain A, Grauer JN, Singh K. Urinary Tract Infection Following Posterior Lumbar Fusion Procedures. Spine 2015, 40: 1785-1791. PMID: 26020850, DOI: 10.1097/brs.0000000000001003.Peer-Reviewed Original ResearchConceptsPosterior lumbar fusion proceduresUrinary tract infectionLumbar fusion proceduresGreater riskSystemic sepsisTract infectionsRisk factorsFusion proceduresSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseQuality Improvement Program databaseDependent functional statusImprovement Program databaseIndependent risk factorImportant clinical consequencesSpinal fusion proceduresHealth care systemDiabetic statusOperative durationRetrospective reviewFemale sexFunctional statusOperative characteristicsProgram databaseInclusion criteria
2014
Increased Risk of Complications After Anterior Cervical Discectomy and Fusion in the Elderly
Buerba RA, Giles E, Webb ML, Fu MC, Gvozdyev B, Grauer JN. Increased Risk of Complications After Anterior Cervical Discectomy and Fusion in the Elderly. Spine 2014, 39: 2062-2069. PMID: 25271519, DOI: 10.1097/brs.0000000000000606.Peer-Reviewed Original ResearchConceptsAnterior cervical discectomyCervical discectomyElderly patientsPulmonary embolism/deep vein thrombosisSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseCentral nervous system complicationsQuality Improvement Program databaseShorter operating room timeNervous system complicationsImprovement Program databaseIndependent risk factorRetrospective cohort analysisDeep vein thrombosisRisk of complicationsMultivariate logistic regressionMulti-institutional databaseFisher's exact testOperating room timeLogistic regression modelsHospital complicationsPreoperative comorbiditiesUrinary complicationsPatients 65Respiratory complicationsMorbidity and Readmission After Open Reduction and Internal Fixation of Ankle Fractures Are Associated With Preoperative Patient Characteristics
Basques BA, Miller CP, Golinvaux NS, Bohl DD, Grauer JN. Morbidity and Readmission After Open Reduction and Internal Fixation of Ankle Fractures Are Associated With Preoperative Patient Characteristics. Clinical Orthopaedics And Related Research® 2014, 473: 1133-1139. PMID: 25337977, PMCID: PMC4317425, DOI: 10.1007/s11999-014-4005-z.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAgedAged, 80 and overAnkle FracturesDatabases, FactualDiabetes Mellitus, Type 1Diabetes Mellitus, Type 2FemaleFracture Fixation, InternalHumansMaleMiddle AgedPatient ReadmissionPostoperative ComplicationsProspective StudiesRetrospective StudiesRisk FactorsTreatment OutcomeYoung AdultConceptsDependent functional statusSevere adverse eventsAdverse eventsAnkle fracturesInfectious complicationsFunctional statusASA classificationBimalleolar fracturesPatient characteristicsDiabetes mellitusOpen reductionInternal fixationRisk factorsSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseShort-term adverse eventsQuality Improvement Program databaseInsulin-dependent diabetes mellitusNoninsulin-dependent diabetes mellitusACS-NSQIP registryAnkle fracture ORIFQuestions/PurposesThe purposePreoperative patient characteristicsCurrent Procedural Terminology codesImprovement Program databaseRisk Factors for Short-term Adverse Events and Readmission After Arthroscopic Meniscectomy
Basques BA, Gardner EC, Varthi AG, Fu MC, Bohl DD, Golinvaux NS, Grauer JN. Risk Factors for Short-term Adverse Events and Readmission After Arthroscopic Meniscectomy. The American Journal Of Sports Medicine 2014, 43: 169-175. PMID: 25294869, DOI: 10.1177/0363546514551923.Peer-Reviewed Original ResearchConceptsSevere adverse eventsAdverse eventsRisk factorsMedical comorbiditiesOlder patientsArthroscopic meniscectomySurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseShort-term adverse eventsQuality Improvement Program databaseMultivariate logistic regression analysisOdds of readmissionPostoperative adverse eventsImprovement Program databaseHistory of smokingCase-control studyEvidence of osteoarthritisLevel of evidenceLogistic regression analysisComorbidity burdenPulmonary diseasePatient selectionPreoperative counselingCommon surgeryMean agePatient Characteristics Associated With Increased Postoperative Length of Stay and Readmission After Elective Laminectomy for Lumbar Spinal Stenosis
Basques BA, Varthi AG, Golinvaux NS, Bohl DD, Grauer JN. Patient Characteristics Associated With Increased Postoperative Length of Stay and Readmission After Elective Laminectomy for Lumbar Spinal Stenosis. Spine 2014, 39: 833-840. PMID: 24525996, PMCID: PMC4006290, DOI: 10.1097/brs.0000000000000276.Peer-Reviewed Original ResearchConceptsLumbar spinal stenosisAnesthesiologists class 3Independent risk factorBody mass indexSpinal stenosisRisk factorsElective laminectomyPostoperative lengthPatient characteristicsReadmission analysisMass indexAmerican CollegeNational Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement ProgramNational Surgical Quality Improvement ProgramSurgical site-related infectionsQuality Improvement Program databaseSurgical Quality Improvement ProgramAverage postoperative LOSImprovement Program databaseAmerican SocietyQuality Improvement ProgramClass 3Preoperative hematocritFactors Predictive of Increased Surgical Drain Output After Anterior Cervical Discectomy and Fusion
Basques BA, Bohl DD, Golinvaux NS, Yacob A, Varthi AG, Grauer JN. Factors Predictive of Increased Surgical Drain Output After Anterior Cervical Discectomy and Fusion. Spine 2014, 39: 728-735. PMID: 24480948, PMCID: PMC3991728, DOI: 10.1097/brs.0000000000000237.Peer-Reviewed Original ResearchConceptsTotal drain outputDrain outputSurgical drain placementSurgical drain outputNeck hematomaDrain placementSurgical drainsRetrospective cohort studyAnterior cervical discectomyHistory of smokingRisk of complicationsPostoperative neck hematomaAge 50 yearsMultivariate logistic regressionSingle academic institutionAverage drain outputElective ACDFCervical discectomyCohort studyConsecutive patientsDrain useIndependent predictorsFactors PredictiveMedical recordsACDFUsing the ACS-NSQIP to Identify Factors Affecting Hospital Length of Stay After Elective Posterior Lumbar Fusion
Basques BA, Fu MC, Buerba RA, Bohl DD, Golinvaux NS, Grauer JN. Using the ACS-NSQIP to Identify Factors Affecting Hospital Length of Stay After Elective Posterior Lumbar Fusion. Spine 2014, 39: 497-502. PMID: 24384669, PMCID: PMC3961012, DOI: 10.1097/brs.0000000000000184.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedBlood TransfusionBody Mass IndexChi-Square DistributionComorbidityDecision Support TechniquesElective Surgical ProceduresFemaleHumansLength of StayLinear ModelsLumbar VertebraeMaleMiddle AgedMultivariate AnalysisObesity, MorbidOperative TimePatient SelectionRetrospective StudiesRisk AssessmentRisk FactorsSpinal DiseasesSpinal FusionTime FactorsTreatment OutcomeUnited StatesConceptsElective posterior lumbar fusionPosterior lumbar fusionNational Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement Program databaseQuality Improvement Program databaseImprovement Program databaseLumbar fusionHospital lengthIntraoperative variablesExtended LOSProgram databaseAmerican CollegePosterior lumbar spine fusionPredictors of LOSRetrospective cohort studyBody mass indexLumbar spine fusionCommon surgical procedureImportant clinical variablesInpatient hospital costsLumbar spine pathologyAnesthesiologists classIntraoperative transfusionMorbid obesityCohort study
2008
Quantifying the Effects of Degeneration and Other Patient Factors on Lumbar Segmental Range of Motion Using Multivariate Analysis
Bible JE, Simpson AK, Emerson JW, Biswas D, Grauer JN. Quantifying the Effects of Degeneration and Other Patient Factors on Lumbar Segmental Range of Motion Using Multivariate Analysis. Spine 2008, 33: 1793-1799. PMID: 18628713, DOI: 10.1097/brs.0b013e31817b8f3a.Peer-Reviewed Original ResearchConceptsBody mass indexLumbar ROMKellgren scoreMultivariate analysisSignificant negative associationSegmental ROML5-S1L4-L5Segmental rangeL3-L4L2-L3Negative associationMultivariate regression analysisPatient factorsRetrospective reviewMass indexClinical variablesUnivariate analysisBACKGROUND DATAFlexion/extensionSignificant associationL1-S1Role of ageInterobserver reliabilityDegeneration