2024
Automated 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 cohortImpact of sleep quality and physical activity on blood pressure variability
de Havenon A, Falcone G, Rivier C, Littig L, Petersen N, de Villele P, Prabhakaran S, Kimberly W, Mistry E, Sheth K. Impact of sleep quality and physical activity on blood pressure variability. PLOS ONE 2024, 19: e0301631. PMID: 38625967, PMCID: PMC11020843, DOI: 10.1371/journal.pone.0301631.Peer-Reviewed Original ResearchConceptsSleep qualityPhysical activityOdds ratioCohort of community-dwelling adultsCommunity-dwelling adultsExcess relative riskBlood pressure variabilityExamined sleep qualityPoor sleep qualitySystolic blood pressure standard deviationSleep interruptionBody mass indexPhysical inactivityPrimary study outcomeStep countsImpact of sleep qualityLowest tertileRelative riskHigh blood pressure variabilityHome measurement devicesActivity levelsExposure statusPoor sleepMass indexStudy outcomesDifferent Response to Blood Pressure Reduction in Lobar and Deep Intracerebral Hemorrhage (P10-2.004)
Hawkes M, Clocchiatti-Tuozzo S, Rivier C, Qureshi A, Matouk C, Petersen N, De Havenon A, Sheth K, Falcone G. Different Response to Blood Pressure Reduction in Lobar and Deep Intracerebral Hemorrhage (P10-2.004). Neurology 2024, 102 DOI: 10.1212/wnl.0000000000206366.Peer-Reviewed Original ResearchRadiomics-Based Prediction of Collateral Status from CT Angiography of Patients Following a Large Vessel Occlusion Stroke
Avery E, Abou-Karam A, Abi-Fadel S, Behland J, Mak A, Haider S, Zeevi T, Sanelli P, Filippi C, Malhotra A, Matouk C, Falcone G, Petersen N, Sansing L, Sheth K, Payabvash S. Radiomics-Based Prediction of Collateral Status from CT Angiography of Patients Following a Large Vessel Occlusion Stroke. Diagnostics 2024, 14: 485. PMID: 38472957, PMCID: PMC10930945, DOI: 10.3390/diagnostics14050485.Peer-Reviewed Original ResearchCollateral statusCollateral scoreLarge vessel occlusionAcute LVO strokeRadiomics modelTest cohortCT angiography of patientsAdmission computed tomography angiographyAnterior circulation territoryAngiography of patientsLong-term outcomesReceiver operating characteristic areaRadiomics-based predictionCollateral arterial circulationOperating characteristics areaAdmission CTACirculation territoryCT angiographyClinical outcomesRadiomic featuresTreatment triageOcclusion strokeVessel occlusionPatientsArterial circulationUncertainty-aware deep-learning model for prediction of supratentorial hematoma expansion from admission non-contrast head computed tomography scan
Tran A, Zeevi T, Haider S, Abou Karam G, Berson E, Tharmaseelan H, Qureshi A, Sanelli P, Werring D, Malhotra A, Petersen N, de Havenon A, Falcone G, Sheth K, Payabvash S. Uncertainty-aware deep-learning model for prediction of supratentorial hematoma expansion from admission non-contrast head computed tomography scan. Npj Digital Medicine 2024, 7: 26. PMID: 38321131, PMCID: PMC10847454, DOI: 10.1038/s41746-024-01007-w.Peer-Reviewed Original ResearchDeep learning modelsHematoma expansionIntracerebral hemorrhageICH expansionComputed tomographyNon-contrast head CTNon-contrast head computed tomographyHigh risk of HEHead computed tomographyHigh-confidence predictionsRisk of HENon-contrast headReceiver operating characteristic areaModifiable risk factorsMonte Carlo dropoutOperating characteristics areaPotential treatment targetHead CTVisual markersIdentified patientsAutomated deep learning modelDataset of patientsRisk factorsHigh riskPatients
2023
Impact of Therapeutic Interventions on Cerebral Autoregulatory Function Following Severe Traumatic Brain Injury: A Secondary Analysis of the BOOST-II Study
Prasad A, Gilmore E, Kim J, Begunova L, Olexa M, Beekman R, Falcone G, Matouk C, Ortega-Gutierrez S, Temkin N, Barber J, Diaz-Arrastia R, de Havenon A, Petersen N. Impact of Therapeutic Interventions on Cerebral Autoregulatory Function Following Severe Traumatic Brain Injury: A Secondary Analysis of the BOOST-II Study. Neurocritical Care 2023, 41: 91-99. PMID: 38158481, PMCID: PMC11285118, DOI: 10.1007/s12028-023-01896-x.Peer-Reviewed Original ResearchCerebral perfusion pressureBrain tissue hypoxiaSevere traumatic brain injuryTissue hypoxiaTraumatic brain injuryBlood pressureCerebral hypoperfusionBrain injuryAutoregulatory functionMean cerebral perfusion pressureSecondary analysisOptimal cerebral perfusion pressurePercent timeCerebral autoregulatory functionLimits of autoregulationPhase II trialArterial blood pressureBrain tissue oxygenIntracranial pressure monitoringCPP augmentationHemodynamic augmentationAutoregulatory indexII trialBP managementPerfusion pressureEmergent external ventricular drain placement in patients with factor Xa inhibitor-associated intracerebral hemorrhage after reversal with andexanet alfa
Ammar A, Elsamadicy A, Ammar M, Reeves B, Koo A, Falcone G, Hwang D, Petersen N, Kim J, Beekman R, Prust M, Magid-Bernstein J, Acosta J, Herbert R, Sheth K, Matouk C, Gilmore E. Emergent external ventricular drain placement in patients with factor Xa inhibitor-associated intracerebral hemorrhage after reversal with andexanet alfa. Clinical Neurology And Neurosurgery 2023, 226: 107621. PMID: 36791588, DOI: 10.1016/j.clineuro.2023.107621.Peer-Reviewed Original ResearchConceptsAndexanet alfaExtra-axial hemorrhageEVD placementThrombotic eventsNew hemorrhagePrimary safety outcomeExternal ventricular drain placementLarge prospective studiesIntensive care unitIntracerebral hemorrhage patientsVentricular drain placementBolus patientsHospital lengthHospital LOSICU LOSTract hemorrhageRankin scoreSecondary outcomesAdult patientsBolus groupPrimary outcomeCare unitIntracerebral hemorrhageLong administration timeHemorrhage patientsPolygenic Susceptibility to Hypertension and Blood Pressure Control in Stroke Survivors
Acosta J, Both C, Demarais Z, Conlon C, Leasure A, Torres-Lopez V, de Havenon A, Petersen N, Gill T, Sansing L, Sheth K, Falcone G. Polygenic Susceptibility to Hypertension and Blood Pressure Control in Stroke Survivors. Neurology 2023, 100: e1587-e1597. PMID: 36690452, PMCID: PMC10103110, DOI: 10.1212/wnl.0000000000206763.Peer-Reviewed Original ResearchConceptsWorse BP controlUncontrolled blood pressureDiastolic blood pressureBlood pressureStroke survivorsPolygenic risk scoresBP controlPolygenic susceptibilityMean diastolic blood pressureMean systolic blood pressureStroke Prevention TrialBlood pressure controlSystolic blood pressureResistant hypertensionVascular eventsHemorrhagic strokePrevention trialsVitamin InterventionMultivariable modelRisk scoreGenetic predispositionPressure controlLogistic regressionSurvivorsHypertension
2021
Polygenic Susceptibility to Hypertension is Associated with Uncontrolled and Resistant Hypertension in Stroke Survivors (1838)
Acosta J, Both C, Szejko N, Brown S, Petersen N, Sansing L, Sheth K, Falcone G. Polygenic Susceptibility to Hypertension is Associated with Uncontrolled and Resistant Hypertension in Stroke Survivors (1838). Neurology 2021, 96 DOI: 10.1212/wnl.96.15_supplement.1838.Peer-Reviewed Original ResearchLow-Field, Portable Magnetic Resonance Imaging at the Bedside to Assess Brain Injury in Patients with Severe COVID-19 (1349)
Mazurek M, Yuen M, Cahn B, Rosen M, Gobeske K, Gilmore E, Hwang D, Kaddouh F, Kim J, Falcone G, Petersen N, Siner J, Spudich S, Sze G, Kimberly W, Sheth K. Low-Field, Portable Magnetic Resonance Imaging at the Bedside to Assess Brain Injury in Patients with Severe COVID-19 (1349). Neurology 2021, 96 DOI: 10.1212/wnl.96.15_supplement.1349.Peer-Reviewed Original ResearchChronic Kidney Disease is Associated with Higher Risk and Worse Outcome after Spontaneous Intracerebral Hemorrhage (2729)
Leasure A, Vanent K, Acosta J, Woo D, Murthy S, Kamel H, Cohen J, Townsend R, Petersen N, Sansing L, Gill T, Sheth K, Falcone G. Chronic Kidney Disease is Associated with Higher Risk and Worse Outcome after Spontaneous Intracerebral Hemorrhage (2729). Neurology 2021, 96 DOI: 10.1212/wnl.96.15_supplement.2729.Peer-Reviewed Original Research
2020
Blood 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 ResearchPortable, Bedside, Low-field Magnetic Resonance Imaging in an Intensive Care Setting for Intracranial Hemorrhage (270)
Shah J, Cahn B, By S, Welch E, Sacolick L, Yuen M, Mazurek M, Wira C, Leasure A, Matouk C, Ward A, Payabvash S, Beekman R, Brown S, Falcone G, Gobeske K, Petersen N, Jasne A, Sharma R, Schindler J, Sansing L, Gilmore E, Sze G, Rosen M, Kimberly W, Sheth K. Portable, Bedside, Low-field Magnetic Resonance Imaging in an Intensive Care Setting for Intracranial Hemorrhage (270). Neurology 2020, 94 DOI: 10.1212/wnl.94.15_supplement.270.Peer-Reviewed Original ResearchDeployment of Portable, Bedside, Low-field Magnetic Resonance Imaging for Evaluation of Stroke Patients (272)
Cahn B, Shah J, Dyvorne H, O’Halloran R, Poole M, Yuen M, Mazurek M, Ward A, Payabvash S, Beekman R, Brown S, Falcone G, Gobeske K, Petersen N, Jasne A, Sharma R, Schindler J, Sansing L, Gilmore E, Wira C, Matouk C, Sze G, Rosen M, Kimberly W, Sheth K. Deployment of Portable, Bedside, Low-field Magnetic Resonance Imaging for Evaluation of Stroke Patients (272). Neurology 2020, 94 DOI: 10.1212/wnl.94.15_supplement.272.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 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 autoregulationPercutaneous Trans-Carotid Puncture for Mechanical Thrombectomy in Acute Ischemic Stroke Patients is Safe and Effective: A Large, Single-Center Case Series
Cord B, Wang A, Chouairi F, Koo A, Porto C, Silverman A, Kodali S, Strander S, Falcone G, Sheth K, Hebert R, Sansing L, Schindler J, Petersen N, Matouk C. Percutaneous Trans-Carotid Puncture for Mechanical Thrombectomy in Acute Ischemic Stroke Patients is Safe and Effective: A Large, Single-Center Case Series. Neurosurgery 2019, 66: 310-167. DOI: 10.1093/neuros/nyz310_167.Peer-Reviewed Original ResearchDeviation 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 ResearchPreliminary Experience With Proximal Flow Reversal During Intracranial Balloon Angioplasty and Stenting for Symptomatic, Severe Intracranial Stenosis
Cord B, Santarosa C, Sujijantarat N, Kundishora A, Falcone G, Sheth K, Sansing L, Schindler J, Petersen N, Matouk C. Preliminary Experience With Proximal Flow Reversal During Intracranial Balloon Angioplasty and Stenting for Symptomatic, Severe Intracranial Stenosis. Neurosurgery 2019, 66: 310-675. DOI: 10.1093/neuros/nyz310_675.Peer-Reviewed Original ResearchDecreases 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