2023
In Reply to the Letter to Editor Regarding "Hospital Frailty Risk Score Predicts Adverse Events and Readmission Following Ventriculoperitoneal Shunt Surgery for Normal Pressure Hydrocephalus"
Koo A, Elsamadicy A, Matouk C. In Reply to the Letter to Editor Regarding "Hospital Frailty Risk Score Predicts Adverse Events and Readmission Following Ventriculoperitoneal Shunt Surgery for Normal Pressure Hydrocephalus". World Neurosurgery 2023, 169: 124. PMID: 36585096, DOI: 10.1016/j.wneu.2022.11.023.Peer-Reviewed Original ResearchMeSH KeywordsFrailtyHumansHydrocephalusHydrocephalus, Normal PressurePatient ReadmissionRisk FactorsVentriculoperitoneal Shunt
2022
Hospital Frailty Risk Score Predicts Adverse Events and Readmission Following a Ventriculoperitoneal Shunt Surgery for Normal Pressure Hydrocephalus
Koo AB, Elsamadicy AA, Renedo D, Sarkozy M, Reeves BC, Barrows MM, Hengartner A, Havlik J, Sandhu MRS, Antonios JP, Malhotra A, Matouk CC. Hospital Frailty Risk Score Predicts Adverse Events and Readmission Following a Ventriculoperitoneal Shunt Surgery for Normal Pressure Hydrocephalus. World Neurosurgery 2022, 170: e9-e20. PMID: 35970293, DOI: 10.1016/j.wneu.2022.08.037.Peer-Reviewed Original ResearchMeSH KeywordsFrailtyHospitalsHumansHydrocephalus, Normal PressurePatient ReadmissionRetrospective StudiesRisk FactorsVentriculoperitoneal ShuntConceptsHospital Frailty Risk ScoreFrailty Risk ScoreVP shunt surgeryVentriculoperitoneal shunt surgeryAdverse eventsShunt surgeryIndependent predictorsNPH patientsRisk scoreHealth care resource utilizationMultivariate logistic regression analysisNormal pressure hydrocephalus patientsRetrospective cohort studyNationwide Readmissions DatabaseNormal pressure hydrocephalusLogistic regression analysisRegression analysisMultivariate regression analysisUnplanned readmissionCohort studyHospital readmissionPressure hydrocephalusAdmission costsReadmissionHydrocephalus patientsA novel online calculator to predict nonroutine discharge, length of stay, readmission, and reoperation in patients undergoing surgery for intramedullary spinal cord tumors
Hersh AM, Patel J, Pennington Z, Antar A, Goldsborough E, Porras JL, Feghali J, Elsamadicy AA, Lubelski D, Wolinsky JP, Jallo GI, Gokaslan ZL, Lo SL, Sciubba DM. A novel online calculator to predict nonroutine discharge, length of stay, readmission, and reoperation in patients undergoing surgery for intramedullary spinal cord tumors. The Spine Journal 2022, 22: 1345-1355. PMID: 35342014, DOI: 10.1016/j.spinee.2022.03.005.Peer-Reviewed Original ResearchConceptsIntramedullary spinal cord tumorsModified McCormick ScaleSpinal cord tumorsNonroutine dischargeDay readmissionIndependent predictorsWeb-based calculatorBowel dysfunctionNonhome dischargePatient demographicsCord tumorsIncision lengthHigher preoperative white blood cell countResection of ISCTsPreoperative white blood cell countStepwise multivariable logistic regression modelSingle comprehensive cancer centerWhite blood cell countMultivariable logistic regression modelRetrospective cohort study PATIENT SAMPLEBaseline neurological statusDays unplanned readmissionLonger incision lengthNovel online calculatorPreoperative neurological symptoms
2021
Effects of preoperative nutritional status on complications and readmissions after posterior lumbar decompression and fusion for spondylolisthesis: A propensity-score analysis
Elsamadicy AA, Havlik J, Reeves BC, Koo AB, Sherman J, Lo SL, Shin JH, Sciubba DM. Effects of preoperative nutritional status on complications and readmissions after posterior lumbar decompression and fusion for spondylolisthesis: A propensity-score analysis. Clinical Neurology And Neurosurgery 2021, 211: 107017. PMID: 34781222, DOI: 10.1016/j.clineuro.2021.107017.Peer-Reviewed Original ResearchConceptsUnplanned readmissionAdverse eventsSpine surgerySurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseOccurrence of AEsPreoperative serum albumin levelQuality Improvement Program databaseMultivariate logistic regression analysisPosterior lumbar decompressionPreoperative nutritional statusHigh rateImprovement Program databaseRetrospective cohort studySerum albumin levelSignificant independent predictorsEffects of malnutritionLogistic regression analysisPropensity score analysisPropensity-score matchingMalnourished cohortMalnourished patientsPerioperative complicationsPostoperative complicationsLumbar decompressionPatient- and hospital-related risk factors for non-routine discharge after lumbar decompression and fusion for spondylolisthesis
Elsamadicy AA, Freedman IG, Koo AB, David W, Hengartner AC, Havlik J, Reeves BC, Hersh A, Pennington Z, Kolb L, Laurans M, Shin JH, Sciubba DM. Patient- and hospital-related risk factors for non-routine discharge after lumbar decompression and fusion for spondylolisthesis. Clinical Neurology And Neurosurgery 2021, 209: 106902. PMID: 34481141, DOI: 10.1016/j.clineuro.2021.106902.Peer-Reviewed Original ResearchConceptsNon-routine dischargeDependent functional statusAdverse eventsIndependent predictorsUnplanned readmissionLonger LOSSpinal decompressionLumbar spondylolisthesisFemale sexFunctional statusSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseNon-Hispanic black race/ethnicityHospital-related risk factorsQuality Improvement Program databaseNon-Hispanic black raceICD-9-CM diagnosisBlack race/ethnicityMultivariate logistic regression modelNon-home dischargeHospital-related factorsImprovement Program databaseRetrospective cohort studyLength of stayProcedural Coding SystemDrivers of Readmission and Reoperation After Surgery for Vertebral Column Metastases
Patel J, Pennington Z, Hersh AM, Hung B, Schilling A, Antar A, Elsamadicy AA, de la Garza Ramos R, Lubelski D, Larry Lo SF, Sciubba DM. Drivers of Readmission and Reoperation After Surgery for Vertebral Column Metastases. World Neurosurgery 2021, 154: e806-e814. PMID: 34389529, DOI: 10.1016/j.wneu.2021.08.015.Peer-Reviewed Original ResearchMeSH KeywordsFemaleHumansMaleMiddle AgedPatient ReadmissionPostoperative ComplicationsReoperationRetrospective StudiesSpinal NeoplasmsConceptsCharlson Comorbidity IndexSpinal metastasis surgeryComprehensive cancer centerUnplanned reoperationMedical comorbiditiesMetastasis surgeryIndependent predictorsUnplanned readmissionWound infectionCancer CenterDrivers of readmissionsLonger index admissionsVertebral Column MetastasesBaseline laboratory valuesMultivariable logistic regressionLength of stayPopulation of adultsOutcomes of interestWound healing factorsComorbidity indexIndex admissionVenous thromboembolismLocal recurrenceSurgical morbidityMultivariable analysisModified-frailty index does not independently predict complications, hospital length of stay or 30-day readmission rates following posterior lumbar decompression and fusion for spondylolisthesis
Elsamadicy AA, Freedman IG, Koo AB, David WB, Reeves BC, Havlik J, Pennington Z, Kolb L, Shin JH, Sciubba DM. Modified-frailty index does not independently predict complications, hospital length of stay or 30-day readmission rates following posterior lumbar decompression and fusion for spondylolisthesis. The Spine Journal 2021, 21: 1812-1821. PMID: 34010683, DOI: 10.1016/j.spinee.2021.05.011.Peer-Reviewed Original ResearchConceptsUnplanned readmissionAdverse eventsLumbar spinal decompressionHospital lengthReadmission ratesIndependent predictorsSpinal decompressionNational Surgical Quality Improvement Program databaseQuality Improvement Program databasePosterior lumbar spinal fusionChronic obstructive pulmonary diseaseMultivariate logistic regression analysisICD-9-CM diagnosisDependent functional statusHypertension requiring medicationInferior surgical outcomesLonger hospital stayRetrospective cohort studyImprovement Program databaseCongestive heart failureObstructive pulmonary diseaseSurgical adverse eventsSignificant independent predictorsLumbar spinal fusionProcedural Coding SystemPatient Risk Factors Associated With 30- and 90-Day Readmission After Ventriculoperitoneal Shunt Placement for Idiopathic Normal Pressure Hydrocephalus in Elderly Patients: A Nationwide Readmission Study
Koo AB, Elsamadicy AA, Lin IH, David WB, Reeves BC, Santarosa C, Cord B, Malhotra A, Kahle KT, Matouk CC. Patient Risk Factors Associated With 30- and 90-Day Readmission After Ventriculoperitoneal Shunt Placement for Idiopathic Normal Pressure Hydrocephalus in Elderly Patients: A Nationwide Readmission Study. World Neurosurgery 2021, 152: e23-e31. PMID: 33862298, DOI: 10.1016/j.wneu.2021.04.010.Peer-Reviewed Original ResearchConceptsIdiopathic normal pressure hydrocephalusVP shunt surgeryShunt surgeryElderly patientsNormal pressure hydrocephalusPressure hydrocephalusNationwide Readmissions DatabaseVentriculoperitoneal shunt surgeryPatient risk factorsVentriculoperitoneal shunt placementQuality of careMultivariate regression analysisIndex admissionUnplanned readmissionReadmission ratesRenal failureMechanical complicationsPostoperative infectionShunt placementNinth RevisionFemale sexRisk factorsSubdural hemorrhageClinical ModificationReadmission
2020
Thirty- and 90-day Readmissions After Spinal Surgery for Spine Metastases
Elsamadicy AA, Koo AB, David WB, Zogg CK, Kundishora AJ, Hong CS, Kuzmik GA, Gorrepati R, Coutinho PO, Kolb L, Laurans M, Abbed K. Thirty- and 90-day Readmissions After Spinal Surgery for Spine Metastases. Spine 2020, 46: 828-835. PMID: 33394977, PMCID: PMC8278805, DOI: 10.1097/brs.0000000000003907.Peer-Reviewed Original ResearchMeSH KeywordsHumansNeurosurgical ProceduresPatient ReadmissionPostoperative ComplicationsRetrospective StudiesSpineConceptsSpine metastasesGenitourinary complicationsPostoperative infectionSpine surgeryRheumatoid arthritis/collagen vascular diseasesAcute post-hemorrhagic anemiaCollagen vascular diseaseRetrospective cohort studyUnplanned hospital readmissionNationwide Readmissions DatabasePatient-level factorsVulnerable patient groupSurgical treatment interventionMultivariate regression analysisFusion spine surgeryInpatient complicationsFrequent readmissionsUnplanned readmissionCohort studyRenal failureClinical factorsHospital readmissionSurgery typePatient groupVascular diseasePatient Risk Factors Associated With 30- and 90-Day Readmission After Cervical Discectomy
Elsamadicy AA, Koo AB, Lee M, Freedman IG, David WB, Kundishora AJ, Gorrepati R, Kuzmik GA, Camara-Quintana J, Qureshi T, Kolb L, Laurans M, Abbed K. Patient Risk Factors Associated With 30- and 90-Day Readmission After Cervical Discectomy. Clinical Spine Surgery A Spine Publication 2020, 33: e434-e441. PMID: 32568863, DOI: 10.1097/bsd.0000000000001030.Peer-Reviewed Original ResearchMeSH KeywordsCervical VertebraeDiskectomyHumansPatient ReadmissionPostoperative ComplicationsRetrospective StudiesRisk FactorsSpinal FusionUnited StatesConceptsCervical disc arthroplastyLarge hospital bed sizeRetrospective cohort studyHospital bed sizeRisk factorsIndex admissionUnplanned readmissionCohort studyReadmission ratesAnterior cervical spine proceduresPatient-related risk factorsPatient-level risk factorsAnterior cervical decompressionCervical disc pathologyNationwide Readmissions DatabaseRate of readmissionCervical spine proceduresPatient risk factorsMultivariate regression analysisBed sizeCervical decompressionInitial hospitalizationCervical discectomyGenitourinary complicationsNinth RevisionThirty- and 90-Day Readmissions After Treatment of Traumatic Subdural Hematoma: National Trend Analysis
Koo AB, Elsamadicy AA, David WB, Zogg CK, Santarosa C, Sujijantarat N, Robert SM, Kundishora AJ, Cord BJ, Hebert R, Bahrassa F, Malhotra A, Matouk CC. Thirty- and 90-Day Readmissions After Treatment of Traumatic Subdural Hematoma: National Trend Analysis. World Neurosurgery 2020, 139: e212-e219. PMID: 32272271, PMCID: PMC7380544, DOI: 10.1016/j.wneu.2020.03.168.Peer-Reviewed Original ResearchConceptsTraumatic subdural hematomaSubdural hematomaRheumatoid arthritis/collagen vascular diseasesMultivariate logistic regression analysisCollagen vascular diseaseNationwide Readmissions DatabaseCongestive heart failureLikelihood of readmissionPrimary procedure codeTraumatic brain injuryLogistic regression analysisReadmission ratesRenal failureHeart failurePostoperative infectionNinth RevisionSurgical interventionPatient populationVascular diseaseCerebral meningesBrain injuryClinical ModificationPatient managementReadmissionInternational Classification
2019
Association Between Preoperative Narcotic Use with Perioperative Complication Rates, Patient Reported Pain Scores, and Ambulatory Status After Complex Spinal Fusion (≥5 Levels) for Adult Deformity Correction
Elsamadicy AA, Drysdale N, Adil SM, Charalambous L, Lee M, Koo A, Freedman IG, Kundishora AJ, Camara-Quintana J, Qureshi T, Kolb L, Laurans M, Abbed K, Karikari IO. Association Between Preoperative Narcotic Use with Perioperative Complication Rates, Patient Reported Pain Scores, and Ambulatory Status After Complex Spinal Fusion (≥5 Levels) for Adult Deformity Correction. World Neurosurgery 2019, 128: e231-e237. PMID: 31009775, DOI: 10.1016/j.wneu.2019.04.107.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBone TransplantationDepressionFemaleHumansIntraoperative Neurophysiological MonitoringLaminectomyLength of StayMaleMiddle AgedMobility LimitationNarcoticsOsteotomyPainPain MeasurementPain, PostoperativePatient ReadmissionPatient Reported Outcome MeasuresPostoperative ComplicationsPreoperative PeriodSpinal DiseasesSpinal FusionConceptsComplex spinal fusionPain scoresPerioperative complication ratePreoperative narcotic useComplication rateSpinal fusionAmbulatory statusNarcotic usePatient demographicsDeformity correctionPatient-reported pain scoresPrimary complex spinal fusionAdult deformity correctionLast pain scoreNon-user cohortsPostoperative pain scoresPostoperative complication rateHigher pain scoresPhysical therapy regimensPrevalence of depressionGreater mean ageUse of narcoticsMajor academic institutionAmbulatory dayPreoperative useReduced Impact of Obesity on Short-Term Surgical Outcomes, Patient-Reported Pain Scores, and 30-Day Readmission Rates After Complex Spinal Fusion (≥7 Levels) for Adult Deformity Correction
Elsamadicy AA, Camara-Quintana J, Kundishora AJ, Lee M, Freedman IG, Long A, Qureshi T, Laurans M, Tomak P, Karikari IO. Reduced Impact of Obesity on Short-Term Surgical Outcomes, Patient-Reported Pain Scores, and 30-Day Readmission Rates After Complex Spinal Fusion (≥7 Levels) for Adult Deformity Correction. World Neurosurgery 2019, 127: e108-e113. PMID: 30876992, DOI: 10.1016/j.wneu.2019.02.165.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBody Mass IndexComorbidityDiabetes MellitusDyslipidemiasElective Surgical ProceduresFemaleHeart DiseasesHumansHypertensionLaminectomyLength of StayMaleMiddle AgedObesityPain, PostoperativePatient ReadmissionPatient Reported Outcome MeasuresPostoperative ComplicationsPrevalencePulmonary Disease, Chronic ObstructiveRetrospective StudiesSpinal DiseasesSpinal FusionTreatment OutcomeUnited StatesYoung AdultConceptsPatient-reported pain scoresComplex spinal fusionPain scoresImpact of obesityReadmission ratesSurgical outcomesDeformity correctionSpinal fusionAmbulatory statusPatient demographicsComplication ratePreoperative body mass indexPrimary complex spinal fusionShort-term surgical outcomesAdult deformity correctionInferior surgical outcomesPostoperative complication profileLength of surgeryPostoperative complication ratePrevalence of obesityBody mass indexPatient-reported outcomesComplex spinal surgeryPaucity of dataMajor academic institution
2018
Socioeconomic Factors, Perioperative Complications, and 30-Day Readmission Rates Associated With Delayed Cranial Vault Reconstruction for Craniosynostosis
Sergesketter AR, Elsamadicy AA, Lubkin DT, Kemeny H, Harward SC, Krucoff KB, Krucoff MO, Fuchs H, Thompson EM, Allori AC, Marcus JR, Muh CR. Socioeconomic Factors, Perioperative Complications, and 30-Day Readmission Rates Associated With Delayed Cranial Vault Reconstruction for Craniosynostosis. Journal Of Craniofacial Surgery 2018, 29: 1767-1771. PMID: 30059426, DOI: 10.1097/scs.0000000000004787.Peer-Reviewed Original ResearchMeSH KeywordsChild, PreschoolCraniosynostosesDevelopmental DisabilitiesFemaleHealthcare DisparitiesHumansIncidenceInfantIntracranial HypertensionLanguageMalePatient ReadmissionPlastic Surgery ProceduresPostoperative ComplicationsRacial GroupsRetrospective StudiesRisk FactorsSkullSocioeconomic FactorsTime-to-TreatmentConceptsCranial vault reconstructionNon-English primary languageReadmission ratesMonths of ageMedicaid insurancePrimary cranial vault reconstructionCraniosynostosis patientsPerioperative complication ratePerioperative complicationsPrimary surgeryPatient demographicsComplication ratePatient barriersMedical recordsFirst consultIntracranial pressureSurgeryPatientsEsthetic consequencesPrimary languagePremature fusionDevelopmental disabilitiesSocioeconomic factorsComplicationsChildrenIndependent Associations With 30- and 90-Day Unplanned Readmissions After Elective Lumbar Spine Surgery: A National Trend Analysis of 144 123 Patients.
Elsamadicy AA, Ren X, Kemeny H, Charalambous L, Sergesketter AR, Rahimpour S, Williamson T, Goodwin CR, Abd-El-Barr MM, Gottfried ON, Xie J, Lad SP. Independent Associations With 30- and 90-Day Unplanned Readmissions After Elective Lumbar Spine Surgery: A National Trend Analysis of 144 123 Patients. Neurosurgery 2018, 84: 758-767. PMID: 29893899, DOI: 10.1093/neuros/nyy215.Peer-Reviewed Original ResearchConceptsElective lumbar spine surgeryChronic obstructive pulmonary disorderLumbar spine surgeryNational Readmission DatabaseUnplanned hospital readmissionPatient risk factorsUnplanned readmissionHospital readmissionSpine surgeryDeficiency anemiaInsurance statusRisk factorsElective spinal surgeryUnplanned readmission rateObstructive pulmonary disorderMultivariate regression analysisPaucity of dataInpatient complicationsNational healthcare expendituresReadmission ratesDural tearPulmonary disordersIndependent associationPatient outcomesSpinal surgeryImpact of Chronic Obstructive Pulmonary Disease on Postoperative Complication Rates, Ambulation, and Length of Hospital Stay After Elective Spinal Fusion (≥3 Levels) in Elderly Spine Deformity Patients
Elsamadicy AA, Sergesketter AR, Kemeny H, Adogwa O, Tarnasky A, Charalambous L, Lubkin DET, Davison MA, Cheng J, Bagley CA, Karikari IO. Impact of Chronic Obstructive Pulmonary Disease on Postoperative Complication Rates, Ambulation, and Length of Hospital Stay After Elective Spinal Fusion (≥3 Levels) in Elderly Spine Deformity Patients. World Neurosurgery 2018, 116: e1122-e1128. PMID: 29870850, DOI: 10.1016/j.wneu.2018.05.185.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseElective spinal fusionPostoperative complication rateObstructive pulmonary diseaseSpine deformity patientsHospital stayCOPD cohortComplication rateSpinal fusionDeformity patientsPulmonary diseaseIncidence of durotomyModifiable risk factorsProportion of smokersLength of staySpinal deformity patientsHealth care resourcesHigh rateMajor academic institutionPostoperative feverPostoperative pneumoniaAmbulatory statusHospital lengthPostoperative complicationsElderly patients
2017
Complications and 30-Day readmission rates after craniotomy/craniectomy: A single Institutional study of 243 consecutive patients
Elsamadicy AA, Sergesketter A, Adogwa O, Ongele M, Gottfried ON. Complications and 30-Day readmission rates after craniotomy/craniectomy: A single Institutional study of 243 consecutive patients. Journal Of Clinical Neuroscience 2017, 47: 178-182. PMID: 29031542, DOI: 10.1016/j.jocn.2017.09.021.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedCraniotomyFemaleHumansMaleMiddle AgedPatient ReadmissionPostoperative ComplicationsRisk FactorsUnited StatesYoung AdultConceptsSensory/motor deficitsConsecutive patientsUnplanned readmissionReadmission ratesMotor deficitsMental statusPost-operative complication rateCommon presented symptomsHigher health care costsEarly hospital readmissionDays of dischargeCraniotomy/craniectomyHigher readmission ratesMajority of patientsSingle institutional studySkilled nursing facilitiesQuality of careHealth care costsHealth care dollarsMajor academic institutionComplication ratePatient demographicsSD ageCommon indicationHospital readmissionDrivers and Risk Factors of Unplanned 30‐Day Readmission Following Spinal Cord Stimulator Implantation
Elsamadicy AA, Sergesketter A, Ren X, Hussaini S, Laarakker A, Rahimpour S, Ejikeme T, Yang S, Pagadala P, Parente B, Xie J, Lad SP. Drivers and Risk Factors of Unplanned 30‐Day Readmission Following Spinal Cord Stimulator Implantation. Neuromodulation Technology At The Neural Interface 2017, 21: 87-92. PMID: 28961362, PMCID: PMC5766416, DOI: 10.1111/ner.12689.Peer-Reviewed Original ResearchConceptsSpinal cord stimulator implantationSCS implantationUnplanned readmissionIndependent predictorsPatient demographicsReadmission ratesMechanical complicationsStimulator implantationBaseline patient demographicsNational Readmission DatabaseReadmission statusNational healthcare expendituresPrimary outcomeHospital characteristicsRisk factorsPatient outcomesReadmissionMultivariate analysisPatientsSCS deviceHealthcare expendituresComorbiditiesImplantationComplicationsObesityReduced Impact of Smoking Status on 30-Day Complication and Readmission Rates After Elective Spinal Fusion (≥3 Levels) for Adult Spine Deformity: A Single Institutional Study of 839 Patients
Elsamadicy AA, Adogwa O, Sergesketter A, Vuong VD, Lydon E, Behrens S, Cheng J, Bagley CA, Karikari IO. Reduced Impact of Smoking Status on 30-Day Complication and Readmission Rates After Elective Spinal Fusion (≥3 Levels) for Adult Spine Deformity: A Single Institutional Study of 839 Patients. World Neurosurgery 2017, 107: 233-238. PMID: 28790002, DOI: 10.1016/j.wneu.2017.07.174.Peer-Reviewed Original ResearchConceptsReadmission ratesSmoking statusComplex spinal fusionSpinal fusionPostoperative complicationsPatient demographicsComplication rateSimilar postoperative complication ratesAdult spinal deformity patientsPostoperative complication rateSingle institutional studyBody mass indexElective spinal fusionPatients' smoking statusAdult spine deformitySpinal deformity patientsComplex spinal surgeryMajor academic institutionHospital stayPostoperative outcomesPrimary outcomeWound drainageMass indexOperative timeDeformity patientsAssociation of Intraoperative Blood Transfusions on Postoperative Complications, 30-Day Readmission Rates, and 1-Year Patient-Reported Outcomes
Elsamadicy AA, Adogwa O, Vuong VD, Mehta AI, Vasquez RA, Cheng J, Bagley CA, Karikari IO. Association of Intraoperative Blood Transfusions on Postoperative Complications, 30-Day Readmission Rates, and 1-Year Patient-Reported Outcomes. Spine 2017, 42: 610-615. PMID: 28399073, DOI: 10.1097/brs.0000000000001803.Peer-Reviewed Original ResearchConceptsPerioperative allogeneic RBC transfusionAllogeneic RBC transfusionElective spine surgeryPostoperative complication rateReadmission ratesRBC transfusionSpine surgeryPostoperative complicationsComplication rateThirty-day hospital readmission ratesAllogeneic red blood cell transfusionRed blood cell transfusionMultivariate logistic regression analysisMultivariate logistic regression modelPatient-reported outcome instrumentsHigher perioperative complicationsPostoperative hemoglobin levelsIntraoperative blood transfusionBlood cell transfusionHospital readmission ratesMajor academic medical centerLogistic regression analysisAcademic medical centerQuality of careLogistic regression models