2024
Is Clot Composition Associated With Cause of Stroke? A Systematic Review and Meta‐Analysis
Sujijantarat N, Templeton K, Antonios J, Renedo D, Koo A, Haynes J, Fathima B, Amllay A, Nowicki K, Huttner A, Giles J, Navaratnam D, Sansing L, Hebert R, King J, Matouk C. Is Clot Composition Associated With Cause of Stroke? A Systematic Review and Meta‐Analysis. Stroke Vascular And Interventional Neurology 2024, 4 DOI: 10.1161/svin.124.001426.Peer-Reviewed Original ResearchCause of strokeRed blood cellsWhite blood cellsBlood cellsMechanical thrombectomyCardioembolic groupHistological compositionMeta-analysisLow red blood cellQuantity of red blood cellsRandom-effects meta-analysisAcute ischemic strokeEffects meta-analysisEnglish-language articlesMean percentage differenceAdult patientsMEDLINE databaseCochrane LibraryClinical utilityIschemic strokeLanguage articlesPatientsPercentage differenceArteryCellular compositionUse of a dedicated open transcarotid access system for neurovascular disease
Sujijantarat N, Renedo D, Antonios J, Koo A, Amllay A, Nowicki K, Cord B, Hebert R, de Havenon A, Sheth K, Petersen N, Matouk C. Use of a dedicated open transcarotid access system for neurovascular disease. Journal Of NeuroInterventional Surgery 2024, jnis-2024-021599. PMID: 38719442, DOI: 10.1136/jnis-2024-021599.Peer-Reviewed Original ResearchExtracranial carotid stenosisTranscarotid artery revascularizationNeurovascular diseasesCarotid stenosisDatabase of consecutive patientsNeurovascular pathologyTreatment of neurovascular diseasesAccess-related complicationsTreatment of neurovascular pathologiesOff-label useCarotid flow reversalConsecutive patientsRetrospective reviewIntracranial atherosclerotic diseasePeriprocedural complicationsEndovascular treatmentArtery revascularizationProcedural characteristicsArterial sheathCarotid diseaseAcademic centersIntracranial aneurysmsPatientsTranscarotid approachTransradial approachImpact of Procedure Time on First Pass Effect in Mechanical Thrombectomy for Anterior Circulation Acute Ischemic Stroke
Koo A, Reeves B, Renedo D, Maier I, Al Kasab S, Jabbour P, Kim J, Wolfe S, Rai A, Starke R, Psychogios M, Shaban A, Arthur A, Yoshimura S, Cuellar H, Grossberg J, Alawieh A, Romano D, Tanweer O, Mascitelli J, Fragata I, Polifka A, Osbun J, Crosa R, Park M, Levitt M, Brinjikji W, Moss M, Dumont T, Williamson R, Navia P, Kan P, Spiotta A, Sheth K, de Havenon A, Matouk C. Impact of Procedure Time on First Pass Effect in Mechanical Thrombectomy for Anterior Circulation Acute Ischemic Stroke. Neurosurgery 2024, 95: 128-136. PMID: 38483158, DOI: 10.1227/neu.0000000000002900.Peer-Reviewed Original ResearchAnterior circulation large vessel occlusion acute ischemic strokeAcute ischemic strokeLarge vessel occlusion acute ischemic strokeProcedure timeMechanical thrombectomyExcellent reperfusionClinical benefitIschemic strokeAnterior circulation acute ischemic strokeSuccess of mechanical thrombectomyModified Rankin Scale scoreRankin Scale scoreLogistic regression modelsNo significant differencePrimary study exposuresPrimary outcomeFunctional outcomesPotential confoundersStudy exposureThrombectomy devicesScale scoreThrombectomyReperfusionPatientsSignificant difference
2023
Socioeconomic and Racial/Ethnic Disparities in Perception of Health Status and Literacy in Spine Oncological Patients
Elsamadicy A, Wang C, Reeves B, Sherman J, Craft S, Rajjoub R, Koo A, Hersh A, Pennington Z, Lo S, Shin J, Mendel E, Sciubba D. Socioeconomic and Racial/Ethnic Disparities in Perception of Health Status and Literacy in Spine Oncological Patients. Spine 2023, 48: 1107-1115. PMID: 37163649, DOI: 10.1097/brs.0000000000004712.Peer-Reviewed Original ResearchConceptsNon-White HispanicsOncology patientsHigh response rateWhite/CaucasianHealth statusHealth literacyWC patientsResponse rateICD-9/10-CM codesOwn general healthSocioeconomic statusBaseline health statusRacial/Ethnic DisparitiesCross-sectional studyRace/ethnicityExcellent/Severe fatigueGeneral healthOncological patientsBACKGROUND DATADisease processHealthcare costsPatientsMedical careEthnic disparities
2022
Utilization of Machine Learning to Model Important Features of 30-day Readmissions following Surgery for Metastatic Spinal Column Tumors: The Influence of Frailty
Elsamadicy A, Koo A, Reeves B, Cross J, Hersh A, Hengartner A, Karhade A, Pennington Z, Akinduro O, Lo S, Gokaslan Z, Shin J, Mendel E, Sciubba D. Utilization of Machine Learning to Model Important Features of 30-day Readmissions following Surgery for Metastatic Spinal Column Tumors: The Influence of Frailty. Global Spine Journal 2022, 14: 1227-1237. PMID: 36318478, PMCID: PMC11289550, DOI: 10.1177/21925682221138053.Peer-Reviewed Original ResearchHospital Frailty Risk ScoreSpinal column tumorsFrailty Risk ScoreInfluence of frailtySpinal column metastasesProportion of patientsRetrospective cohort studyNationwide Readmissions DatabaseRisk of readmissionMultivariate regression analysisIntermediate frailtyAdult patientsCohort studyIndependent predictorsSurgical interventionSpine surgeryReadmissionPatient readmissionRisk scorePatientsFrailtySurgeryCohortTumorsRegression analysisImpact of Frailty on Morbidity and Mortality in Adult Patients Undergoing Surgical Evacuation of Acute Traumatic Subdural Hematoma
Elsamadicy AA, Sandhu MRS, Freedman IG, Koo AB, Reeves BC, Yu J, Hengartner A, Havlik J, Hong CS, Rutherford HJV, Kim JA, Gerrard J, Gilmore EJ, Omay SB. Impact of Frailty on Morbidity and Mortality in Adult Patients Undergoing Surgical Evacuation of Acute Traumatic Subdural Hematoma. World Neurosurgery 2022, 162: e251-e263. PMID: 35276399, DOI: 10.1016/j.wneu.2022.02.122.Peer-Reviewed Original ResearchConceptsAcute traumatic subdural hematomaTraumatic subdural hematomaHospital mortalityNonroutine dischargeSubdural hematomaExtended LOSIndependent predictorsAdult patientsBaseline frailtyMultivariate logistic regression analysisExtended hospital lengthImpact of frailtyRetrospective cohort studyNational Trauma DatabaseLogistic regression analysisRegression analysisMultivariate regression analysisHealth care expendituresFrail patientsHospital lengthCohort studySurgical evacuationFrailty indexTrauma databasePatientsCost-effectiveness of thrombectomy in patients with minor stroke and large vessel occlusion: effect of thrombus location on cost-effectiveness and outcomes
Khunte M, Wu X, Koo A, Payabvash S, Matouk C, Heit JJ, Wintermark M, Albers GW, Sanelli PC, Gandhi D, Malhotra A. Cost-effectiveness of thrombectomy in patients with minor stroke and large vessel occlusion: effect of thrombus location on cost-effectiveness and outcomes. Journal Of NeuroInterventional Surgery 2022, 15: 39-45. PMID: 35022300, DOI: 10.1136/neurintsurg-2021-018375.Peer-Reviewed Original ResearchConceptsLarge vessel occlusionProximal M1 occlusionEndovascular thrombectomyMinor strokeM2 occlusionsIntravenous thrombolysisM1 occlusionMedical managementVessel occlusionRankin score 0Markov decision-analytic modelBase-case analysisDecision analytic modelProbabilistic sensitivity analysesProximal M1More patientsPoor outcomeThrombus locationDistal M1Occlusion siteObservational studyScore 0Significant disabilityBetter outcomesPatients
2020
Race and All-cause Mortality in Patients with a Primary Malignant or Nonmalignant Tumor of the Spinal Cord or Spinal Meninges
Elsamadicy A, Freedman I, Koo A, David W, Reeves B, Antonios J, Laurans M, Kolb L, Sciubba D. Race and All-cause Mortality in Patients with a Primary Malignant or Nonmalignant Tumor of the Spinal Cord or Spinal Meninges. Neurosurgery 2020, 67 DOI: 10.1093/neuros/nyaa447_203.Peer-Reviewed Original ResearchPatient Risk Factors Associated with 30- and 90- Day Readmission after Ventriculoperitoneal Shunt Placement for Idiopathic Normal Pressure Hydrocephalus in Elderly Patients
Koo A, Elsamadicy A, Lin I, David W, Reeves B, Santarosa C, Cord B, Malhotra A, Kahle K, Matouk C. Patient Risk Factors Associated with 30- and 90- Day Readmission after Ventriculoperitoneal Shunt Placement for Idiopathic Normal Pressure Hydrocephalus in Elderly Patients. Neurosurgery 2020, 67 DOI: 10.1093/neuros/nyaa447_202.Peer-Reviewed Original ResearchLaser interstitial thermal therapy (LITT) vs. bevacizumab for radiation necrosis in previously irradiated brain metastases
Sujijantarat N, Hong CS, Owusu KA, Elsamadicy AA, Antonios JP, Koo AB, Baehring JM, Chiang VL. Laser interstitial thermal therapy (LITT) vs. bevacizumab for radiation necrosis in previously irradiated brain metastases. Journal Of Neuro-Oncology 2020, 148: 641-649. PMID: 32602021, DOI: 10.1007/s11060-020-03570-0.Peer-Reviewed Original ResearchConceptsLaser interstitial thermal therapyLonger overall survivalRadiation necrosisInterstitial thermal therapyBrain metastasesOverall survivalMedian volume decreaseMedian volume increaseBrain metastasis patientsPre-treatment patient characteristicsRetrospective chart reviewResultsTwenty-five patientsPre-treatment factorsBevacizumab patientsChart reviewMetastasis patientsLocal recurrencePatient characteristicsTreatment optionsTreatment responseBevacizumabPatientsLesional volumeThermal therapyStatistical significanceRisk Factors for the Development of Post-Traumatic Hydrocephalus in Children
Elsamadicy AA, Koo AB, Lee V, David WB, Zogg CK, Kundishora AJ, Hong CS, DeSpenza T, Reeve BC, DiLuna M, Kahle KT. Risk Factors for the Development of Post-Traumatic Hydrocephalus in Children. World Neurosurgery 2020, 141: e105-e111. PMID: 32389871, PMCID: PMC7484270, DOI: 10.1016/j.wneu.2020.04.216.Peer-Reviewed Original ResearchConceptsTraumatic brain injuryRisk factorsBrain injuryNationwide Emergency Department Sample databasePost-traumatic hydrocephalusClinical risk factorsDevelopment of hydrocephalusNeurologic complicationsRespiratory complicationsPediatric patientsHydrocephalus developmentNinth RevisionSubarachnoid hemorrhageEmergency departmentSecondary diagnosisPrimary diagnosisSubdural hemorrhageClinical ModificationInternational ClassificationHydrocephalusHemorrhagePatientsBaseline returnSample databaseAge 6
2019
Differences in 30- and 90-Day Readmission Rates After Surgical Treatment for Lumbar Degenerative Disc Disease in Elderly Patients (³ð65 Years): A National Readmission Database Study
Elsamadicy A, Koo A, Lee M, Kundishora A, Camara-Quintana J, Qureshi T, Kolb L, Laurans M, Abbed K. Differences in 30- and 90-Day Readmission Rates After Surgical Treatment for Lumbar Degenerative Disc Disease in Elderly Patients (³ð65 Years): A National Readmission Database Study. Neurosurgery 2019, 66: 310-629. DOI: 10.1093/neuros/nyz310_629.Peer-Reviewed Original ResearchPercutaneous 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 Research
2016
KDR Amplification Is Associated with VEGF-Induced Activation of the mTOR and Invasion Pathways but does not Predict Clinical Benefit to the VEGFR TKI Vandetanib
Nilsson MB, Giri U, Gudikote J, Tang X, Lu W, Tran H, Fan Y, Koo A, Diao L, Tong P, Wang J, Herbst R, Johnson BE, Ryan A, Webster A, Rowe P, Wistuba II, Heymach JV. KDR Amplification Is Associated with VEGF-Induced Activation of the mTOR and Invasion Pathways but does not Predict Clinical Benefit to the VEGFR TKI Vandetanib. Clinical Cancer Research 2016, 22: 1940-1950. PMID: 26578684, PMCID: PMC4834253, DOI: 10.1158/1078-0432.ccr-15-1994.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, Non-Small-Cell LungCell Line, TumorCell MovementCell ProliferationHumansHypoxia-Inducible Factor 1, alpha SubunitLung NeoplasmsP38 Mitogen-Activated Protein KinasesPiperidinesProtein Kinase InhibitorsProto-Oncogene Proteins c-metQuinazolinesSignal TransductionTOR Serine-Threonine KinasesTreatment OutcomeVascular Endothelial Growth Factor AVascular Endothelial Growth Factor Receptor-2ConceptsNon-small cell lung cancerTyrosine kinase inhibitorsVEGFR tyrosine kinase inhibitorsNSCLC cell linesZODIAC studyClinical benefitLung cancerPlatinum-refractory non-small cell lung cancerAdvanced non-small cell lung cancerImproved progression-free survivalDifferent lung cancersObjective response rateProgression-free survivalVEGF pathway inhibitorsCell lung cancerArchival tumor samplesCell linesActivation of mTORVandetanib armOverall survivalNSCLC modelsNSCLC cellsPreclinical studiesPatientsVEGFR inhibition