2023
Association Between Intravenous to Oral Opioid Transition Time and Length of Hospital Stay After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis.
Hengartner A, Havlik J, David W, Reeves B, Freedman I, Sarkozy M, Maloy G, Fernandez T, Craft S, Koo A, Tuason D, DiLuna M, Elsamadicy A. Association Between Intravenous to Oral Opioid Transition Time and Length of Hospital Stay After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis. The International Journal Of Spine Surgery 2023, 17: 468-476. PMID: 37076256, PMCID: PMC10312154, DOI: 10.14444/8448.Peer-Reviewed Original ResearchPosterior spinal fusionAdolescent idiopathic scoliosisExtended LOSSpinal fusionIdiopathic scoliosisMultivariate analysisMultilevel posterior spinal fusionLength of hospitalPostoperative complication rateMajor academic institutionOral opioidsHospital LOSStudy patientsDischarge dispositionHospital lengthPostoperative complicationsPostoperative courseComplication rateIntraoperative variablesLonger LOSPatient demographicsReadmission ratesMedical recordsUnivariate analysisOdds ratio
2022
356 Patient-and-Hospital-Related Risk Factors for Non-Routine Discharge After Lumbar Decompression and Fusion for Spondylolisthesis
Elsamadicy A, Freedman I, Koo A, David W, Hengartner A, Havlik J, Hersh A, Pennington Z, Kolb L, Laurans M, Shin J, Sciubba D. 356 Patient-and-Hospital-Related Risk Factors for Non-Routine Discharge After Lumbar Decompression and Fusion for Spondylolisthesis. Neurosurgery 2022, 68: 84-84. DOI: 10.1227/neu.0000000000001880_356.Peer-Reviewed Original ResearchNon-routine dischargeSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseNon-Hispanic black race/ethnicityQuality Improvement Program databaseICD-9-CM diagnosisBlack race/ethnicityMultivariate logistic regression modelDependent functional statusImprovement Program databaseRetrospective cohort studyProcedural Coding SystemQuality of careMultivariate regression analysisPaucity of dataLogistic regression modelsRace/ethnicityUnplanned readmissionCohort studyDischarge dispositionReadmission ratesAdult patientsAdverse eventsIndependent predictorsLonger LOS
2021
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
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
Impact of Preoperative Anemia on Outcomes After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis
Elsamadicy AA, Freedman IG, Koo AB, David WB, Havlik J, Kundishora AJ, Hong CS, Sciubba DM, Kahle KT, DiLuna M. Impact of Preoperative Anemia on Outcomes After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis. World Neurosurgery 2020, 146: e214-e224. PMID: 33091648, DOI: 10.1016/j.wneu.2020.10.074.Peer-Reviewed Original ResearchConceptsPosterior spinal fusionAdolescent idiopathic scoliosisPreoperative anemiaAnemic cohortHospital stayReadmission ratesIndependent predictorsSpinal fusionIdiopathic scoliosisNational Surgical Quality Improvement Program Pediatric databaseSurgeons National Surgical Quality Improvement Program Pediatric databaseUnplanned reoperation rateLonger hospital stayRetrospective cohort studyThirty-day outcomesLonger operative timeLonger lengthPostoperative complicationsReoperation rateCohort studyDischarge dispositionComplication ratePediatric patientsTransfusion eventsOperative timePatient 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 ResearchConceptsCervical 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
Differences in 30- and 90-Day Readmission Rates After Surgical Treatment for Lumbar Degenerative Disc Disease in Elderly Patients (³ð65 Years): A National Readmission Database Study
Elsamadicy A, Koo A, Lee M, Kundishora A, Camara-Quintana J, Qureshi T, Kolb L, Laurans M, Abbed K. Differences in 30- and 90-Day Readmission Rates After Surgical Treatment for Lumbar Degenerative Disc Disease in Elderly Patients (³ð65 Years): A National Readmission Database Study. Neurosurgery 2019, 66: 310-629. DOI: 10.1093/neuros/nyz310_629.Peer-Reviewed Original ResearchIndependent Patient Risk Factors Associated With Increased Length of Hospital Stay, Unplanned Return to Operating Room, and 30-Day Readmission Rates After Posterior Cervical Fusion for Cervical Spondylotic Myelopathy
Elsamadicy A, Chouairi F, Lee M, Koo A, Kundishora A, Camara-Quintana J, Kolb L, Laurans M, Abbed K. Independent Patient Risk Factors Associated With Increased Length of Hospital Stay, Unplanned Return to Operating Room, and 30-Day Readmission Rates After Posterior Cervical Fusion for Cervical Spondylotic Myelopathy. Neurosurgery 2019, 66: 310-815. DOI: 10.1093/neuros/nyz310_815.Peer-Reviewed Original Research