2022
Association of Soluble ST2 With Functional Outcome, Perihematomal Edema, and Immune Response After Intraparenchymal Hemorrhage
Bevers M, Booraem C, Li K, Sreekrishnan A, Sastre C, Falcone G, Sheth K, Sansing L, Kimberly W. Association of Soluble ST2 With Functional Outcome, Perihematomal Edema, and Immune Response After Intraparenchymal Hemorrhage. Neurology 2022, 100: e1329-e1338. PMID: 36549913, PMCID: PMC10065211, DOI: 10.1212/wnl.0000000000206764.Peer-Reviewed Original ResearchConceptsSoluble ST2Deep intraparenchymal hemorrhageIntraparenchymal hemorrhagePerihematomal edemaImmune responseHematoma volumePoor outcomeFunctional outcomeMedian admission Glasgow Coma Scale scoreScale scoreAdmission Glasgow Coma Scale scorePeripheral innate immune responseModified Rankin Scale scoreGlasgow Coma Scale scoreHours of ictusPeripheral immune responseSecondary brain injuryRankin Scale scoreInnate immune cellsImmune cell populationsIntracerebral Hemorrhage ScoreSerial CT scansInnate immune responseHuman brain tissueSST2 levelsOne-Year Outcome Trajectories and Factors Associated with Functional Recovery Among Survivors of Intracerebral and Intraventricular Hemorrhage With Initial Severe Disability
Shah VA, Thompson RE, Yenokyan G, Acosta JN, Avadhani R, Dlugash R, McBee N, Li Y, Hansen BM, Ullman N, Falcone G, Awad IA, Hanley DF, Ziai WC. One-Year Outcome Trajectories and Factors Associated with Functional Recovery Among Survivors of Intracerebral and Intraventricular Hemorrhage With Initial Severe Disability. JAMA Neurology 2022, 79: 856-868. PMID: 35877105, PMCID: PMC9316056, DOI: 10.1001/jamaneurol.2022.1991.Peer-Reviewed Original ResearchConceptsSevere intracerebral hemorrhagePhase 3 trialIntracerebral hemorrhageIntraventricular hemorrhagePoor functional outcomeHospital eventsBetter outcomesDay 30Functional recoveryPoor outcomeFunctional outcomeLong-term functional recoverySevere disabilityMultivariable logistic regression modelHealth Stroke ScaleAcute ischemic strokeCerebral perfusion pressureRankin Scale scoreStandard medical careIndividual patient dataOverall mean ageIntracranial pressure monitoringLogistic regression modelsIntraventricular alteplaseMISTIE IIIAssociation of Intraventricular Fibrinolysis With Clinical Outcomes in Intracerebral Hemorrhage: An Individual Participant Data Meta-Analysis
Kuramatsu JB, Gerner ST, Ziai W, Bardutzky J, Sembill JA, Sprügel MI, Mrochen A, Kölbl K, Ram M, Avadhani R, Falcone GJ, Selim MH, Lioutas VA, Endres M, Zweynert S, Vajkoczy P, Ringleb PA, Purrucker JC, Volkmann J, Neugebauer H, Erbguth F, Schellinger PD, Knappe UJ, Fink GR, Dohmen C, Minnerup J, Reichmann H, Schneider H, Röther J, Reimann G, Schwarz M, Bäzner H, Claßen J, Michalski D, Witte OW, Günther A, Hamann GF, Lücking H, Dörfler A, Ishfaq MF, Chang JJ, Testai FD, Woo D, Alexandrov AV, Staykov D, Goyal N, Tsivgoulis G, Sheth KN, Awad IA, Schwab S, Hanley DF, Huttner HB, Sansing L, Matouk C, Leasure A, Sobesky J, Bauer M, Schurig J, Rizos T, Haeusler K, Müllges W, Kraft P, Schubert A, Stösser S, Ludolph A, Nueckel M, Glahn J, Stetefeld H, Rahmig J, Fisse A, Michels P, Schwert H, Hagemann G, Rakers F, Wöhrle J, Alshammari F, Horn M, Bahner D, Urbanek C, Palm F, Grau A. Association of Intraventricular Fibrinolysis With Clinical Outcomes in Intracerebral Hemorrhage: An Individual Participant Data Meta-Analysis. Stroke 2022, 53: 2876-2886. PMID: 35521958, PMCID: PMC9398945, DOI: 10.1161/strokeaha.121.038455.Peer-Reviewed Original ResearchConceptsAbsolute treatment effectStandard of careIntraventricular fibrinolysisIntracerebral hemorrhageIntraventricular hemorrhagePrimary outcomeAcute hydrocephalusAdverse eventsFunctional disabilityIVF treatmentFunctional outcomeOdds ratioOrdinal shift analysisIndividual Participant Data Meta-AnalysisModified Rankin ScaleExternal ventricular drainageImproved functional outcomesData Meta-AnalysisPromising therapeutic targetTreatment effectsIndividual participant dataCause mortalityRankin ScaleSecondary outcomesSymptom onsetPortable, low-field magnetic resonance imaging enables highly accessible and dynamic bedside evaluation of ischemic stroke
Yuen MM, Prabhat AM, Mazurek MH, Chavva IR, Crawford A, Cahn BA, Beekman R, Kim JA, Gobeske KT, Petersen NH, Falcone GJ, Gilmore EJ, Hwang DY, Jasne AS, Amin H, Sharma R, Matouk C, Ward A, Schindler J, Sansing L, de Havenon A, Aydin A, Wira C, Sze G, Rosen MS, Kimberly WT, Sheth KN. Portable, low-field magnetic resonance imaging enables highly accessible and dynamic bedside evaluation of ischemic stroke. Science Advances 2022, 8: eabm3952. PMID: 35442729, PMCID: PMC9020661, DOI: 10.1126/sciadv.abm3952.Peer-Reviewed Original ResearchIschemic strokeMagnetic resonance imagingResonance imagingFluid-attenuated inversion recoveryDiffusion-weighted imaging sequencesStroke volume measurementsStroke pathwayStroke severityFunctional outcomeLow-field magnetic resonance imagingBedside evaluationClinical managementStroke volumeMRI studiesStrokePatientsBrain imagingCerebellar structuresHigh-field MRI studiesHyperintense regionsInversion recoveryInfarctsUseful imagingVolume measurementsBedside detection of intracranial midline shift using portable magnetic resonance imaging
Sheth KN, Yuen MM, Mazurek MH, Cahn BA, Prabhat AM, Salehi S, Shah JT, By S, Welch EB, Sofka M, Sacolick LI, Kim JA, Payabvash S, Falcone GJ, Gilmore EJ, Hwang DY, Matouk C, Gordon-Kundu B, RN AW, Petersen N, Schindler J, Gobeske KT, Sansing LH, Sze G, Rosen MS, Kimberly WT, Kundu P. Bedside detection of intracranial midline shift using portable magnetic resonance imaging. Scientific Reports 2022, 12: 67. PMID: 34996970, PMCID: PMC8742125, DOI: 10.1038/s41598-021-03892-7.Peer-Reviewed Original ResearchConceptsMidline shiftNeuroscience intensive care unitCare measurementYale-New Haven HospitalValuable bedside toolIntensive care unitPoor clinical outcomeBrain-injured patientsMass effectNew Haven HospitalMagnetic resonance imagingClinical outcomesIll patientsCare unitStroke patientsFunctional outcomeBedside toolObservational studyBedside detectionImaging examsPatientsResonance imagingPortable MRIImaging suiteSignificant concordance
2021
Association of Serum IL-6 (Interleukin 6) With Functional Outcome After Intracerebral Hemorrhage
Leasure AC, Kuohn LR, Vanent KN, Bevers MB, Kimberly WT, Steiner T, Mayer SA, Matouk CC, Sansing LH, Falcone GJ, Sheth KN. Association of Serum IL-6 (Interleukin 6) With Functional Outcome After Intracerebral Hemorrhage. Stroke 2021, 52: 1733-1740. PMID: 33682454, PMCID: PMC8085132, DOI: 10.1161/strokeaha.120.032888.Peer-Reviewed Original ResearchConceptsIL-6 levelsPerihematomal edema volumeIntracerebral hemorrhageIL-6Edema volumeFunctional outcomeICH locationICH volumeTreatment groupsSerum IL-6 levelsBaseline ICHAcute brain injuryLarge intracerebral hemorrhageSerum IL-6Predictors of outcomeSpontaneous intracerebral hemorrhageRankin ScalePoor outcomeProinflammatory cytokinesTrial populationBrain injurySecondary analysisStrong associationFast trialsOutcomesAdmission Hemoglobin Levels Are Associated With Functional Outcome in Spontaneous Intracerebral Hemorrhage
Acosta JN, Leasure AC, Kuohn LR, Both CP, Petersen NH, Sansing LH, Matouk CC, Testai F, Langefeld CD, Woo D, Kamel H, Murthy SB, Qureshi A, Mayer SA, Sheth KN, Falcone GJ. Admission Hemoglobin Levels Are Associated With Functional Outcome in Spontaneous Intracerebral Hemorrhage. Critical Care Medicine 2021, 49: 828-837. PMID: 33591003, PMCID: PMC8611893, DOI: 10.1097/ccm.0000000000004891.Peer-Reviewed Original ResearchConceptsAdmission hemoglobin levelsHemoglobin levelsNontraumatic intracerebral hemorrhageIntracerebral hemorrhageHematoma volumePoor outcomeHematoma expansionIntracerebral hemorrhage patientsPredictors of outcomeSpontaneous intracerebral hemorrhageIndividual patient dataHigher hemoglobin levelsAdmission hematoma volumeExposure of interestDose-response analysisAdmission hemoglobinRankin ScalePrimary outcomeHemorrhage patientsFunctional outcomeRepeat CTClinical trialsObservational studyHemorrhage sizeBetter outcomesDiffusion-Weighted Imaging Lesions After Intracerebral Hemorrhage and Risk of Stroke
Murthy SB, Zhang C, Gupta A, Cho SM, Rivera-Lara L, Avadhani R, Gruber J, Iadecola C, Falcone GJ, Sheth KN, Qureshi AI, Goldstein JN, Hanley DF, Kamel H, Ziai WC. Diffusion-Weighted Imaging Lesions After Intracerebral Hemorrhage and Risk of Stroke. Stroke 2021, 52: 595-602. PMID: 33467877, PMCID: PMC8340082, DOI: 10.1161/strokeaha.120.031628.Peer-Reviewed Original ResearchConceptsRecurrent intracerebral hemorrhageRisk of strokeIntracerebral hemorrhageDWI lesionsIschemic strokeDiffusion-weighted imagingDiffusion-weighted imaging lesionsMultivariate Cox regression analysisMISTIE III trialIncident ischemic strokeCox regression analysisPoor functional outcomeCox regression modelIndividual patient dataATACH-2 trialLong-term riskMagnetic resonance imagingICH survivorsIncident strokeIII trialsImaging lesionsSecondary outcomesIschemic lesionsPrimary outcomeFunctional outcomeAndexanet Alfa Versus 4-Factor Prothrombin Complex Concentrate for Reversal of Factor Xa Inhibitors in Intracranial Hemorrhage
Ammar AA, Ammar MA, Owusu KA, Brown SC, Kaddouh F, Elsamadicy AA, Acosta JN, Falcone GJ. Andexanet Alfa Versus 4-Factor Prothrombin Complex Concentrate for Reversal of Factor Xa Inhibitors in Intracranial Hemorrhage. Neurocritical Care 2021, 35: 255-261. PMID: 33403588, PMCID: PMC10273779, DOI: 10.1007/s12028-020-01161-5.Peer-Reviewed Original ResearchConceptsFactor Xa inhibitorsSpontaneous intracranial hemorrhageSpontaneous intraparenchymal hemorrhageAndexanet alfaIntracranial hemorrhageProthrombin complex concentrateThrombotic eventsIntraparenchymal hemorrhageFunctional outcomeComplex concentrateXa inhibitorsFour-factor prothrombin complex concentrateOnset of ICHConsecutive adult patientsGood functional outcomeModified Rankin scoreSubgroup of patientsNumber of patientsThromboembolic eventsRankin scoreAdult patientsMedian ageRetrospective reviewHematoma volumeResultsA total
2020
A Pooled Analysis of Diffusion-Weighted Imaging Lesions in Patients With Acute Intracerebral Hemorrhage
Murthy SB, Cho SM, Gupta A, Shoamanesh A, Navi BB, Avadhani R, Gruber J, Li Y, Greige T, Lioutas VA, Norton C, Zhang C, Mandava P, Iadecola C, Falcone GJ, Sheth KN, Biffi A, Rosand J, Qureshi AI, Goldstein JN, Kidwell C, Awad I, Selim M, Hanley DF, Woo D, Kamel H, Ziai WC. A Pooled Analysis of Diffusion-Weighted Imaging Lesions in Patients With Acute Intracerebral Hemorrhage. JAMA Neurology 2020, 77: 1390-1397. PMID: 32687564, PMCID: PMC7372494, DOI: 10.1001/jamaneurol.2020.2349.Peer-Reviewed Original ResearchConceptsDiffusion-weighted imaging lesionsModified Rankin scoreDWI lesionsImaging lesionsAcute intracerebral hemorrhageIntracerebral hemorrhageFunctional outcomeSubgroup analysisChronic cerebral small vessel diseaseAdmission systolic blood pressureCerebral small vessel diseaseMulticenter prospective studySystolic blood pressurePoor functional outcomeSmall vessel diseaseDeep intracerebral hemorrhageBaseline hematoma volumeIndividual patient dataMixed-effects logistic regressionMixed effects regression modelsAcute sequelaeHypertensive vasculopathyRankin scoreSecondary outcomesBlood pressurePrior antiplatelet therapy and haematoma expansion after primary intracerebral haemorrhage: an individual patient-level analysis of CLEAR III, MISTIE III and VISTA-ICH
Murthy S, Roh DJ, Chatterjee A, McBee N, Parikh NS, Merkler AE, Navi BB, Falcone GJ, Sheth KN, Awad I, Hanley D, Kamel H, Ziai WC. Prior antiplatelet therapy and haematoma expansion after primary intracerebral haemorrhage: an individual patient-level analysis of CLEAR III, MISTIE III and VISTA-ICH. Journal Of Neurology Neurosurgery & Psychiatry 2020, 92: 364-369. PMID: 33106367, PMCID: PMC8071838, DOI: 10.1136/jnnp-2020-323458.Peer-Reviewed Original ResearchPrior antiplatelet therapyAntiplatelet therapyLobar intracerebral hemorrhageIntracerebral hemorrhagePrimary intracerebral hemorrhageHaematoma expansionHaematoma volumeHaematoma locationCause mortalityIII trialsStudy cohortMajor disabilitySecondary analysisIndividual patient-level analysisPhase III trialsLarge heterogeneous cohortIndividual patient dataPatient-level analysisMISTIE IIISecondary outcomesDeep hemorrhagesPrimary outcomeICH locationMRS distributionFunctional outcomeDirect carotid puncture for mechanical thrombectomy in acute ischemic stroke patients with prohibitive vascular access.
Cord BJ, Kodali S, Strander S, Silverman A, Wang A, Chouairi F, Koo AB, Nguyen CK, Peshwe K, Kimmel A, Porto CM, Hebert RM, Falcone GJ, Sheth KN, Sansing LH, Schindler JL, Matouk CC, Petersen NH. Direct carotid puncture for mechanical thrombectomy in acute ischemic stroke patients with prohibitive vascular access. Journal Of Neurosurgery 2020, 135: 53-63. PMID: 32796146, PMCID: PMC9491727, DOI: 10.3171/2020.5.jns192737.Peer-Reviewed Original ResearchDirect carotid punctureSmaller infarct volumesMechanical thrombectomyVascular accessFunctional outcomeAIS-LVONIHSS scoreDCP groupInfarct volumeTransfemoral accessNeck hematomaStroke patientsCarotid punctureABMT groupAnterior circulation acute ischemic strokeCommon carotid artery dissectionAcute ischemic stroke patientsDirect carotid accessEmergency mechanical thrombectomyAcute ischemic strokeAdmission NIHSS scoreCarotid artery dissectionIschemic stroke patientsGood functional outcomeLarge vessel occlusionBlood Pressure Decreases Occur Throughout Endovascular Thrombectomy and Are Associated with Poor Functional Outcome (4872)
Kimmel A, Silverman A, Kodali S, Strander S, Nguyen C, Peshwe K, Wang A, Cardenas G, Holcombe A, Zevallos C, Dandapat S, Sansing L, Schindler J, Falcone G, Matouk C, Sheth K, Ortega-Gutierrez S, Petersen N. Blood Pressure Decreases Occur Throughout Endovascular Thrombectomy and Are Associated with Poor Functional Outcome (4872). Neurology 2020, 94 DOI: 10.1212/wnl.94.15_supplement.4872.Peer-Reviewed Original ResearchFixed Compared With Autoregulation-Oriented Blood Pressure Thresholds After Mechanical Thrombectomy for Ischemic Stroke
Petersen NH, Silverman A, Strander SM, Kodali S, Wang A, Sansing LH, Schindler JL, Falcone GJ, Gilmore EJ, Jasne AS, Cord B, Hebert RM, Johnson M, Matouk CC, Sheth KN. Fixed Compared With Autoregulation-Oriented Blood Pressure Thresholds After Mechanical Thrombectomy for Ischemic Stroke. Stroke 2020, 51: 914-921. PMID: 32078493, PMCID: PMC7050651, DOI: 10.1161/strokeaha.119.026596.Peer-Reviewed Original ResearchConceptsSystolic BP thresholdMean arterial pressureArterial pressureEndovascular thrombectomyIschemic strokeSystolic BPFunctional outcomePercent timeFurther brain injuryModified Rankin ScaleBlood pressure changesPoor functional outcomeBP thresholdAutoregulatory indexHemorrhagic transformationMechanical thrombectomyRankin ScaleBlood pressureBP targetsHemodynamic managementAcute phaseBP managementStroke patientsCerebral autoregulationWorse outcomesRace/ethnicity influences outcomes in young adults with supratentorial intracerebral hemorrhage.
Miyares LC, Falcone GJ, Leasure A, Adeoye O, Shi FD, Kittner SJ, Langefeld C, Vagal A, Sheth KN, Woo D. Race/ethnicity influences outcomes in young adults with supratentorial intracerebral hemorrhage. Neurology 2020, 94: e1271-e1280. PMID: 31969467, PMCID: PMC7274930, DOI: 10.1212/wnl.0000000000008930.Peer-Reviewed Original ResearchConceptsSupratentorial intracerebral hemorrhageModified Rankin ScaleIntracerebral hemorrhageRace/ethnicityFunctional outcomeYounger patientsPoor outcomeAdmission Glasgow Coma Scale scoreEthnic/Racial VariationsGlasgow Coma Scale scoreHispanic participantsHispanic race/ethnicityAdmission blood pressureDeep ICH locationIntracerebral Hemorrhage (ERICH) studyProspective multicenter studyGood functional outcomeNon-Hispanic blacksBaseline disabilityRankin ScaleBlood pressureICH locationIntraventricular extensionMulticenter studyICH volume
2019
Association of Surgical Hematoma Evacuation vs Conservative Treatment With Functional Outcome in Patients With Cerebellar Intracerebral Hemorrhage
Kuramatsu JB, Biffi A, Gerner ST, Sembill JA, Sprügel MI, Leasure A, Sansing L, Matouk C, Falcone GJ, Endres M, Haeusler KG, Sobesky J, Schurig J, Zweynert S, Bauer M, Vajkoczy P, Ringleb PA, Purrucker J, Rizos T, Volkmann J, Müllges W, Kraft P, Schubert AL, Erbguth F, Nueckel M, Schellinger PD, Glahn J, Knappe UJ, Fink GR, Dohmen C, Stetefeld H, Fisse AL, Minnerup J, Hagemann G, Rakers F, Reichmann H, Schneider H, Rahmig J, Ludolph AC, Stösser S, Neugebauer H, Röther J, Michels P, Schwarz M, Reimann G, Bäzner H, Schwert H, Claßen J, Michalski D, Grau A, Palm F, Urbanek C, Wöhrle JC, Alshammari F, Horn M, Bahner D, Witte OW, Günther A, Hamann GF, Hagen M, Roeder SS, Lücking H, Dörfler A, Testai FD, Woo D, Schwab S, Sheth KN, Huttner HB. Association of Surgical Hematoma Evacuation vs Conservative Treatment With Functional Outcome in Patients With Cerebellar Intracerebral Hemorrhage. JAMA 2019, 322: 1392-1403. PMID: 31593272, PMCID: PMC6784768, DOI: 10.1001/jama.2019.13014.Peer-Reviewed Original ResearchConceptsCerebellar intracerebral hemorrhageSurgical hematoma evacuationHematoma evacuationConservative treatmentIntracerebral hemorrhageIndividual participant dataFunctional outcomePrimary outcomeClinical outcomesFunctional disabilityPropensity score-matched groupsFavorable functional outcomeModified Rankin ScaleImproved functional outcomesSecondary outcomesRankin ScaleHematoma volumeICH studiesMAIN OUTCOMEPatientsCutoff valuePropensity scoreParticipant dataMonthsCovariate adjustmentAntiplatelet Therapy After Spontaneous Intracerebral Hemorrhage and Functional Outcomes
Murthy SB, Biffi A, Falcone GJ, Sansing LH, Torres Lopez V, Navi BB, Roh DJ, Mandava P, Hanley DF, Ziai WC, Kamel H, Rosand J, Sheth KN, Butcher K, Davis S, Gregson B, Lees K, Lyden P, Mayer S, Muir K, Steiner T. Antiplatelet Therapy After Spontaneous Intracerebral Hemorrhage and Functional Outcomes. Stroke 2019, 50: 3057-3063. PMID: 31895618, PMCID: PMC6941441, DOI: 10.1161/strokeaha.119.025972.Peer-Reviewed Original ResearchConceptsAntiplatelet therapyIntracerebral hemorrhageFunctional outcomeHematoma locationCause mortalityMajor disabilityVirtual International Stroke Trials Archive databaseCox proportional regression analysisConclusions Antiplatelet therapyRecurrent intracerebral hemorrhageProportional regression analysisPoor functional outcomeRandomized clinical trialsSpontaneous intracerebral hemorrhagePaucity of dataAntiplatelet medicationsStroke RegistryThromboembolic riskHazard ratioMulticenter cohortPrimary outcomeMedian timeICH patientsClinical trialsMeta-analyzed dataDeviation From Personalized Blood Pressure Targets Is Associated With Worse Outcome After Subarachnoid Hemorrhage
Silverman A, Kodali S, Strander S, Gilmore EJ, Kimmel A, Wang A, Cord B, Falcone G, Hebert R, Matouk C, Sheth KN, Petersen NH. Deviation From Personalized Blood Pressure Targets Is Associated With Worse Outcome After Subarachnoid Hemorrhage. Stroke 2019, 50: 2729-2737. PMID: 31495332, PMCID: PMC6756936, DOI: 10.1161/strokeaha.119.026282.Peer-Reviewed Original ResearchConceptsLimits of autoregulationAneurysmal subarachnoid hemorrhageSubarachnoid hemorrhageFunctional outcomeArterial pressureIntracranial pressureBP targetsWorse outcomesPercent timeBlood pressure targetsBlood pressure managementMean arterial pressureModified Rankin ScalePotential neuroprotective strategiesWorse functional outcomePoor functional outcomeCerebral blood flowMultivariate logistic regressionTotal monitoring periodAutoregulatory indexPressure targetsCerebral ischemiaNeuroprotective strategiesRankin ScaleCerebral autoregulationDeviation from Dynamic and Personalized Optimal Blood Pressure Targets is Associated With Worse Functional Outcomes After Aneurysmal Subarachnoid Hemorrhage
Silverman A, Kodali S, Strander S, Gilmore E, Kimmel A, Wang A, Cord B, Falcone G, Hebert R, Matouk C, Sheth K, Petersen N. Deviation from Dynamic and Personalized Optimal Blood Pressure Targets is Associated With Worse Functional Outcomes After Aneurysmal Subarachnoid Hemorrhage. Neurosurgery 2019, 66: 310-186. DOI: 10.1093/neuros/nyz310_186.Peer-Reviewed Original ResearchEarly Prognostication of 1-Year Outcome After Subarachnoid Hemorrhage: The FRESH Score Validation
Witsch J, Kuohn L, Hebert R, Cord B, Sansing L, Gilmore EJ, Hwang DY, Petersen N, Falcone GJ, Matouk C, Sheth KN. Early Prognostication of 1-Year Outcome After Subarachnoid Hemorrhage: The FRESH Score Validation. Journal Of Stroke And Cerebrovascular Diseases 2019, 28: 104280. PMID: 31326270, DOI: 10.1016/j.jstrokecerebrovasdis.2019.06.038.Peer-Reviewed Original ResearchConceptsSpontaneous subarachnoid hemorrhageModified Rankin ScaleLong-term outcomesSubarachnoid hemorrhageUnfavorable outcomePercent of patientsExclusion of patientsStratification of patientsScore variablesAneurysmal etiologyBleeding sourceRankin ScaleFunctional outcomeMean ageEarly prognosticationPrognostication scoresStudy investigatorsHospital resourcesPatientsDisability partAneurysm coilingOutcomesHigh gradeCharacteristic curveHemorrhage