2024
Cerebral Amyloid Angiopathy and Risk of Isolated Nontraumatic Subdural Hemorrhage
Rivier C, Kamel H, Sheth K, Iadecola C, Gupta A, de Leon M, Ross E, Falcone G, Murthy S. Cerebral Amyloid Angiopathy and Risk of Isolated Nontraumatic Subdural Hemorrhage. JAMA Neurology 2024, 81: 163-169. PMID: 38147345, PMCID: PMC10751656, DOI: 10.1001/jamaneurol.2023.4918.Peer-Reviewed Original ResearchCerebral amyloid angiopathyMultivariable logistic regression analysisSubdural hemorrhageLogistic regression analysisIntracerebral hemorrhageIntracranial hemorrhageUK Biobank cohortAmyloid angiopathyMean ageUS cohortRisk factorsHigher oddsDiagnosis of CAAPopulation-based cohort studyBiobank cohortClinical Modification diagnosis codesCAA-related intracerebral hemorrhageCox proportional hazards modelRegression analysisAntithrombotic medication useIndependent risk factorCox regression analysisMultivariable logistic regressionNovel risk factorsSpontaneous intracerebral hemorrhage
2019
Decreases in Blood Pressure During Thrombectomy Are Associated With Larger Infarct Volumes and Worse Functional Outcome
Petersen NH, Ortega-Gutierrez S, Wang A, Lopez GV, Strander S, Kodali S, Silverman A, Zheng-Lin B, Dandapat S, Sansing LH, Schindler JL, Falcone GJ, Gilmore EJ, Amin H, Cord B, Hebert RM, Matouk C, Sheth KN. Decreases in Blood Pressure During Thrombectomy Are Associated With Larger Infarct Volumes and Worse Functional Outcome. Stroke 2019, 50: 1797-1804. PMID: 31159701, PMCID: PMC6787912, DOI: 10.1161/strokeaha.118.024286.Peer-Reviewed Original ResearchConceptsFinal infarct volumeWorse functional outcomeInfarct volumeEndovascular thrombectomyFunctional outcomeOcclusion strokeCerebral infarction 2b/3 reperfusionPressure reductionLarge vessel intracranial occlusionsGreater infarct growthBlood pressure reductionComprehensive stroke centerPercent of patientsBlood pressure managementLarger infarct volumesModified Rankin ScaleRankin Scale scoreMultivariable logistic regressionRelative hypotensionSustained hypotensionInfarct progressionNinety patientsInfarct growthIschemic penumbraIschemic stroke
2015
Rate of Contrast Extravasation on Computed Tomographic Angiography Predicts Hematoma Expansion and Mortality in Primary Intracerebral Hemorrhage
Brouwers HB, Battey TW, Musial HH, Ciura VA, Falcone GJ, Ayres AM, Vashkevich A, Schwab K, Viswanathan A, Anderson CD, Greenberg SM, Pomerantz SR, Ortiz CJ, Goldstein JN, Gonzalez RG, Rosand J, Romero JM. Rate of Contrast Extravasation on Computed Tomographic Angiography Predicts Hematoma Expansion and Mortality in Primary Intracerebral Hemorrhage. Stroke 2015, 46: 2498-2503. PMID: 26243220, PMCID: PMC4550492, DOI: 10.1161/strokeaha.115.009659.Peer-Reviewed Original ResearchConceptsPrimary intracerebral hemorrhageHematoma expansionContrast extravasationIntracerebral hemorrhageSpot signExtravasation rateTomographic angiographyConsecutive intracerebral hemorrhage patientsML/minContrast extravasation rateAcute intracerebral hemorrhageIntracerebral hemorrhage patientsMultivariable logistic regressionRate of bleedingIntracerebral hemorrhage volumeSpot sign presenceHospital mortalityMultivariable analysisHemorrhage patientsPostcontrast CTHemorrhage volumeSemiautomated softwareMortalityLogistic regressionHemorrhage
2014
CT angiography spot sign in intracerebral hemorrhage predicts active bleeding during surgery
Brouwers HB, Raffeld MR, van Nieuwenhuizen KM, Falcone GJ, Ayres AM, McNamara KA, Schwab K, Romero JM, Velthuis BK, Viswanathan A, Greenberg SM, Ogilvy CS, van der Zwan A, Rinkel GJ, Goldstein JN, Klijn CJ, Rosand J. CT angiography spot sign in intracerebral hemorrhage predicts active bleeding during surgery. Neurology 2014, 83: 883-889. PMID: 25098540, PMCID: PMC4153853, DOI: 10.1212/wnl.0000000000000747.Peer-Reviewed Original ResearchConceptsPostoperative rebleedingIntracerebral hemorrhageSpontaneous intracerebral hemorrhageSpot signActive bleedingHematoma evacuationIntraoperative bleedingCase fatalityICH volumeCT angiography spot signBrainstem ICHOnly independent markerSurgical hematoma evacuationSpontaneous ICH patientsMultivariable logistic regressionConsecutive spontaneous ICH patientsFuture surgical trialsSpot sign presenceCTA spot signAntiplatelet usePostoperative bleedingResidual hematomaICH patientsFemale sexSurgical trialsPredicting Hematoma Expansion After Primary Intracerebral Hemorrhage
Brouwers HB, Chang Y, Falcone GJ, Cai X, Ayres AM, Battey TW, Vashkevich A, McNamara KA, Valant V, Schwab K, Orzell SC, Bresette LM, Feske SK, Rost NS, Romero JM, Viswanathan A, Chou S, Greenberg SM, Rosand J, Goldstein JN. Predicting Hematoma Expansion After Primary Intracerebral Hemorrhage. JAMA Neurology 2014, 71: 158-164. PMID: 24366060, PMCID: PMC4131760, DOI: 10.1001/jamaneurol.2013.5433.Peer-Reviewed Original ResearchConceptsPrimary intracerebral hemorrhageIndependent validation cohortIntracerebral hemorrhageHematoma expansionValidation cohortHigh riskPrediction scoreUrban academic medical centerBaseline ICH volumeWarfarin sodium useProspective cohort studyAcute intracerebral hemorrhageMultivariable logistic regressionTomography angiography spot signComputed tomography angiography spot signAcademic medical centerPredictors of expansionCohort studyMultivariable analysisDevelopment cohortICH volumeC-statisticClinical trialsIndividualized treatmentMAIN OUTCOME