2019
Hemorrhage risk of cerebral dural arteriovenous fistulas following Gamma Knife radiosurgery in a multicenter international consortium.
Starke RM, McCarthy DJ, Chen CJ, Kano H, McShane BJ, Lee J, Patibandla MR, Mathieu D, Vasas LT, Kaufmann AM, Wang WG, Grills IS, Cifarelli CP, Paisan G, Vargo J, Chytka T, Janouskova L, Feliciano CE, Sujijantarat N, Matouk C, Chiang V, Hess J, Rodriguez-Mercado R, Tonetti DA, Lunsford LD, Sheehan JP. Hemorrhage risk of cerebral dural arteriovenous fistulas following Gamma Knife radiosurgery in a multicenter international consortium. Journal Of Neurosurgery 2019, 132: 1209-1217. PMID: 30875690, PMCID: PMC6745287, DOI: 10.3171/2018.12.jns182208.Peer-Reviewed Original ResearchCerebral dural arteriovenous fistulasDural arteriovenous fistulaGamma knife radiosurgeryCortical venous drainageEndovascular treatmentArteriovenous fistulaKnife radiosurgeryRisk factorsAnnual riskLatency periodType 2Multivariate analysisInternational Radiosurgery Research FoundationCohort of patientsNumber of hemorrhagesOverall annual riskPosttreatment hemorrhage rateIndependent predictorsRadiological confirmationHemorrhage rateHemorrhage riskHemorrhagic rateVenous drainageNeural deficitsHigh risk
2018
Upfront Magnetic Resonance Imaging-Guided Stereotactic Laser-Ablation in Newly Diagnosed Glioblastoma: A Multicenter Review of Survival Outcomes Compared to a Matched Cohort of Biopsy-Only Patients.
Mohammadi AM, Sharma M, Beaumont TL, Juarez KO, Kemeny H, Dechant C, Seas A, Sarmey N, Lee BS, Jia X, Fecci PE, Baehring J, Moliterno J, Chiang VL, Ahluwalia MS, Kim AH, Barnett GH, Leuthardt EC. Upfront Magnetic Resonance Imaging-Guided Stereotactic Laser-Ablation in Newly Diagnosed Glioblastoma: A Multicenter Review of Survival Outcomes Compared to a Matched Cohort of Biopsy-Only Patients. Neurosurgery 2018, 85: 762-772. PMID: 30476325, PMCID: PMC7054708, DOI: 10.1093/neuros/nyy449.Peer-Reviewed Original ResearchConceptsProgression-free survivalDisease-specific deathOverall survivalChemo/radiotherapyPrognostic groupsOnly cohortNGBM patientsSpecific deathTumor volumeBiopsy-only patientsMedian tumor volumeFavorable prognostic factorRadiation/chemotherapyEffective treatment modalityStereotactic laser ablationMagnetic resonance imagingLA cohortMatched CohortMulticenter reviewPrognostic factorsUpfront treatmentIndependent predictorsSurvival outcomesTreatment modalitiesTumor locationBRAF V600 Mutation and BRAF Kinase Inhibitors in Conjunction With Stereotactic Radiosurgery for Intracranial Melanoma Metastases: A Multicenter Retrospective Study
Mastorakos P, Xu Z, Yu J, Hess J, Qian J, Chatrath A, Taylor DG, Kondziolka D, Warnick R, Chiang V, Sheehan J. BRAF V600 Mutation and BRAF Kinase Inhibitors in Conjunction With Stereotactic Radiosurgery for Intracranial Melanoma Metastases: A Multicenter Retrospective Study. Neurosurgery 2018, 84: 868-880. PMID: 29846702, PMCID: PMC6505443, DOI: 10.1093/neuros/nyy203.Peer-Reviewed Original ResearchConceptsMelanoma brain metastasesBrain metastasesBRAF inhibitorsStereotactic radiosurgeryBRAF mutationsIntracerebral hematomaDiagnosis of BMEffects of BRAFiMulticenter retrospective cohort studyIntracranial melanoma metastasesPD-1 inhibitorsMulticenter retrospective studyRetrospective cohort studyKaplan-Meier methodologyPositive prognostic factorBRAF V600 mutationBRAF mutation statusBRAF kinase inhibitorsMultivariate regression analysisWild-type BRAFCohort studyHazard ratioMedian survivalIndependent predictorsPrognostic factors
2015
Changing practice patterns of Gamma Knife versus linear accelerator-based stereotactic radiosurgery for brain metastases in the US.
Park HS, Wang EH, Rutter CE, Corso CD, Chiang VL, Yu JB. Changing practice patterns of Gamma Knife versus linear accelerator-based stereotactic radiosurgery for brain metastases in the US. Journal Of Neurosurgery 2015, 124: 1018-24. PMID: 26473783, DOI: 10.3171/2015.4.jns1573.Peer-Reviewed Original ResearchConceptsSingle-fraction stereotactic radiosurgeryNon-small cell lung cancerBrain metastasesStereotactic radiosurgeryNational Cancer Data BaseMultivariable logistic regression analysisSingle-fraction SRSLinear accelerator-based stereotactic radiosurgeryAcademic facility typesLimited brain metastasesNSCLC brain metastasesProportion of patientsYear of diagnosisToxicity of treatmentCell lung cancerLogistic regression analysisSRS useWide geographic variationChi-square testComparative effectiveness researchProspective trialIndependent predictorsMultivariable analysisNonclinical factorsRadiosurgery system
2013
A Clinical Model for Identifying Radiosensitive Tumor Genotypes in Non–Small Cell Lung Cancer
Johung KL, Yao X, Li F, Yu JB, Gettinger SN, Goldberg S, Decker RH, Hess JA, Chiang VL, Contessa JN. A Clinical Model for Identifying Radiosensitive Tumor Genotypes in Non–Small Cell Lung Cancer. Clinical Cancer Research 2013, 19: 5523-5532. PMID: 23897899, DOI: 10.1158/1078-0432.ccr-13-0836.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAnaplastic Lymphoma KinaseAntineoplastic AgentsBrain NeoplasmsCarcinoma, Non-Small-Cell LungErbB ReceptorsFemaleGenotypeHumansLung NeoplasmsMaleMiddle AgedMutationProtein Kinase InhibitorsRadiation ToleranceReceptor Protein-Tyrosine KinasesRecurrenceTranslocation, GeneticTumor BurdenConceptsNon-small cell lung cancerCell lung cancerEML4-ALK translocationGamma knife treatmentLocal controlTumor genotypeLung cancerEGFR mutationsCox proportional hazards modelDistant brain controlDistant brain recurrenceGamma knife radiotherapyEGFR kinase domain mutationsSuperior local controlField local controlKRAS mutation statusProportional hazards modelKinase domain mutationsEGF receptorMetastasis sizeBrain recurrenceBrain metastasesField recurrenceClinical outcomesIndependent predictors
2006
Multivariate analysis identifies factors that affect survival after stereotactic radiosurgery for brain metastases
Diluna M, King J, Knisely J, Bond J, De Lotbiniere A, Chiang V. Multivariate analysis identifies factors that affect survival after stereotactic radiosurgery for brain metastases. Journal Of Clinical Oncology 2006, 24: 11500-11500. DOI: 10.1200/jco.2006.24.18_suppl.11500.Peer-Reviewed Original ResearchCell lung carcinomaStereotactic radiosurgeryBrain metastasesCerebral metastasesSurgical resectionEsophageal cancerLung carcinomaBreast cancerNon-small cell lung carcinomaSmall cell lung carcinomaSystemic controlConnecticut Tumor RegistryLocation of metastasesNumber of metastasesPatient-related factorsTotal tumor burdenSystemic disease controlKaplan-Meier plotsSignificant independent predictorsSurvival dataTotal tumor volumeMedian survivalWorse survivalImproved survivalIndependent predictors