2021
Association Between Hospital Volumes and Clinical Outcomes for Patients With Nontraumatic Subarachnoid Hemorrhage
Leifer D, Fonarow G, Hellkamp A, Baker D, Hoh B, Prabhakaran S, Schoeberl M, Suter R, Washington C, Williams S, Xian Y, Schwamm L. Association Between Hospital Volumes and Clinical Outcomes for Patients With Nontraumatic Subarachnoid Hemorrhage. Journal Of The American Heart Association 2021, 10: e018373. PMID: 34325522, PMCID: PMC8475679, DOI: 10.1161/jaha.120.018373.Peer-Reviewed Original ResearchConceptsAnnual case volumeComprehensive Stroke Center (CSC) certificationStroke center certificationNational Inpatient SampleSubarachnoid hemorrhageNontraumatic subarachnoid hemorrhageCase volumeHospital mortalityClinical outcomesPoor outcomeCenter certificationSAH casesBetter outcomesVolume thresholdHospital annual case volumeHospital case volumeCases/yearBackground Previous studiesLogistic regression modelsSAH hospitalizationsHospital volumeAneurysm obliterationInpatient SampleOdds ratioImproved outcomes
2014
Hospital Case Volume Is Associated With Mortality in Patients Hospitalized With Subarachnoid Hemorrhage
Prabhakaran S, Fonarow G, Smith E, Liang L, Xian Y, Neely M, Peterson E, Schwamm L. Hospital Case Volume Is Associated With Mortality in Patients Hospitalized With Subarachnoid Hemorrhage. Neurosurgery 2014, 75: 500-508. PMID: 24979097, DOI: 10.1227/neu.0000000000000475.Peer-Reviewed Original ResearchConceptsHospital case volumeHospital mortalitySubarachnoid hemorrhageCase volumeSAH volumeSAH patientsHospital characteristicsMedian annual case volumeGuidelines-Stroke registryLarge nationwide registryMultivariable logistic regressionLength of stayAnnual case volumeContemporary national dataIndependent ambulatory statusAmbulatory statusExperienced centersNationwide registryDischarge diagnosisOptimized careImproved outcomesRelevant patientsPatientsHospitalMortality