2024
Cervical Dissection in Patients With Tandem Lesions Is Associated With Distal Embolism and Lower Recanalization Success
Galecio-Castillo M, Guerrero W, Hassan A, Farooqui M, Jumaa M, Divani A, Abraham M, Petersen N, Fifi J, Malik A, Siegler J, Nguyen T, Sheth S, Yoo A, Linares G, Janjua N, Quispe-Orozco D, Olivé-Gadea M, Tekle W, Zaidi S, Sabbagh S, Barkley T, Prasad A, De Leacy R, Abdalkader M, Salazar-Marioni S, Soomro J, Gordon W, Turabova C, Rodriguez-Calienes A, Dibas M, Mokin M, Yavagal D, Ribo M, Jovin T, Ortega-Gutierrez S. Cervical Dissection in Patients With Tandem Lesions Is Associated With Distal Embolism and Lower Recanalization Success. Stroke 2024, 55: 1808-1817. PMID: 38913799, DOI: 10.1161/strokeaha.123.046148.Peer-Reviewed Original ResearchConceptsInternal carotid arteryCervical internal carotid arteryDistal embolizationModified ThrombolysisTandem lesionsMulticenter retrospective cohort studyParenchymal hematoma type 2Internal carotid artery stenosis/occlusionModified Rankin Scale scoreSymptomatic intracranial hemorrhageInverse probability of treatment weightingCerebral Infarction scoreCervical ICA dissectionRetrospective cohort studyProbability of treatment weightingRankin Scale scoreAssociated with higher ratesFunctional independenceRates of hypertensionAssociated with distal embolizationSelf-expanding stentsDissection etiologyRisk of distal embolizationICA occlusionCervical dissectionAutomated detection of early signs of irreversible ischemic change on CTA source images in patients with large vessel occlusion
Mak A, Matouk C, Avery E, Behland J, Haider S, Frey D, Madai V, Vajkoczy P, Griessenauer C, Zand R, Hendrix P, Abedi V, Sanelli P, Falcone G, Petersen N, Sansing L, Sheth K, Payabvash S, Malhotra A. Automated detection of early signs of irreversible ischemic change on CTA source images in patients with large vessel occlusion. PLOS ONE 2024, 19: e0304962. PMID: 38870240, PMCID: PMC11175522, DOI: 10.1371/journal.pone.0304962.Peer-Reviewed Original ResearchConceptsDiffusion-weighted imagingLarge vessel occlusionIrreversible ischemic changesPoor functional outcomeFunctional outcomesIschemic changesInfarct volumeAlberta Stroke Program Early CT ScorePredicting poor functional outcomeVessel occlusionFollow-up diffusion-weighted imagingAnterior circulation LVO strokeCTA source imagesReceiver operating characteristic curveExpert human readersPredicting final infarctionASPECTS regionsAdmission CTANon-inferior performanceBaseline CTACT scoreFinal infarctEndovascular therapyHU attenuationValidation cohort
2020
Fixed 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 outcomes
2019
Deviation 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 autoregulationDecreases 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
Dynamic Cerebral Autoregulation Is Transiently Impaired for One Week after Large-Vessel Acute Ischemic Stroke
Petersen NH, Ortega-Gutierrez S, Reccius A, Masurkar A, Huang A, Marshall RS. Dynamic Cerebral Autoregulation Is Transiently Impaired for One Week after Large-Vessel Acute Ischemic Stroke. Cerebrovascular Diseases 2015, 39: 144-150. PMID: 25661277, PMCID: PMC4754197, DOI: 10.1159/000368595.Peer-Reviewed Original ResearchConceptsDynamic cerebral autoregulationLarge-vessel ischemic strokeUnaffected hemisphereAffected hemisphereIschemic strokeCerebral autoregulationBlood pressureAcute large-vessel ischemic strokeLarge vessel acute ischemic strokeAcute blood pressure managementMiddle cerebral artery territoryAcute ischemic strokeBlood pressure managementCerebral blood flowBlood flow velocityDay strokePoor autoregulationAcute strokeArtery territoryArterial catheterTranscranial DopplerAffected sideUnaffected sideControl subjectsHealthy controls
2014
Comparison of non-invasive and invasive arterial blood pressure measurement for assessment of dynamic cerebral autoregulation.
Petersen NH, Ortega-Gutierrez S, Reccius A, Masurkar A, Huang A, Marshall RS. Comparison of non-invasive and invasive arterial blood pressure measurement for assessment of dynamic cerebral autoregulation. Neurocritical Care 2014, 20: 60-8. PMID: 24452959, DOI: 10.1007/s12028-013-9949-4.Peer-Reviewed Original ResearchConceptsDynamic cerebral autoregulationAssessment of DCAAcute brain injuryBlood pressure monitoringBlood pressure measurementsCerebral autoregulationBrain injuryPressure monitoringInvasive arterial blood pressure measurementsInvasive arterial blood pressure monitoringGood inter-method agreementArterial blood pressure monitoringCerebral blood flow velocityArterial blood pressure measurementsDirect intravascular measurementMean velocity indexMean patient ageArterial blood pressureRadial artery catheterCerebral blood flowMonitoring of patientsBlood flow velocityBlood pressure methodDCA assessmentArtery catheter