2023
Dose-Volume Predictors of Radiation Pneumonitis After Thoracic Hypofractionated Radiation Therapy
Sasse A, Oh P, Saeed N, Yang D, Hayman T, Knowlton C, Peters G, Campbell A, Laird J, Housri N, Park H. Dose-Volume Predictors of Radiation Pneumonitis After Thoracic Hypofractionated Radiation Therapy. Practical Radiation Oncology 2023, 14: e97-e104. PMID: 37984711, DOI: 10.1016/j.prro.2023.11.006.Peer-Reviewed Original ResearchMean lung doseHypofractionated radiation therapyRisk of gradeRadiation pneumonitisLung V20Lung V5Dose-volume predictorsDosimetric risk factorsLogistic regression analysisGrade 5 casesSingle healthcare systemPrimary endpointDose regimensMultivariable analysisLung doseThoracic tumorsDosimetric variablesRisk factorsPneumonitisRadiation therapyCommon treatmentClinical practicePatientsSignificant associationPotential predictors
2019
Emergency Department Visits for Opioid Overdoses Among Patients With Cancer
Jairam V, Yang DX, Yu JB, Park HS. Emergency Department Visits for Opioid Overdoses Among Patients With Cancer. Journal Of The National Cancer Institute 2019, 112: 938-943. PMID: 31845985, PMCID: PMC7492769, DOI: 10.1093/jnci/djz233.Peer-Reviewed Original ResearchConceptsOpioid-related ED visitsED visitsEmergency departmentOpioid overdoseComorbid diagnosesUtilization Project Nationwide Emergency Department SampleMultivariable logistic regression analysisNationwide Emergency Department SampleHigh opioid useOpioid-related visitsPrimary disease siteEmergency department visitsEmergency Department SampleLogistic regression analysisSubstance use disordersOpioid useDepartment visitsChronic painMultiple myelomaNeck cancerPrimary diagnosisRisk factorsPatient visitsBaseline differencesOpioid overdoses
2018
Impact of Health Insurance Status on Prostate Cancer Treatment Modality Selection in the United States
Bledsoe T, Park H, Rutter C, Aneja S, Nguyen PL, Yu J. Impact of Health Insurance Status on Prostate Cancer Treatment Modality Selection in the United States. American Journal Of Clinical Oncology 2018, 41: 1062-1068. PMID: 29521648, DOI: 10.1097/coc.0000000000000423.Peer-Reviewed Original ResearchTreatment modality selectionInsurance statusTreatment modalitiesProstate cancerPrivate insuranceProstate cancer treatment modalitiesMultivariable logistic regression analysisInvasive surgeryModality selectionCancer-directed treatmentD'Amico risk classificationTreatment modality choiceNational Cancer DatabaseLocalized prostate cancerPatient insurance statusExternal beam radiotherapyLogistic regression analysisHealth insurance statusStrongest predictorMen ages 18Cancer treatment modalitiesClinical factorsMultivariable analysisActive surveillanceCancer DatabaseAssociation Between Prostate Magnetic Resonance Imaging and Observation for Low-risk Prostate Cancer
Leapman MS, Wang R, Park HS, Yu JB, Weinreb JC, Gross CP, Ma X. Association Between Prostate Magnetic Resonance Imaging and Observation for Low-risk Prostate Cancer. Urology 2018, 124: 98-106. PMID: 30107188, DOI: 10.1016/j.urology.2018.07.041.Peer-Reviewed Original ResearchConceptsLow-risk prostate cancerProstate magnetic resonance imagingMagnetic resonance imagingProstate cancerDefinitive treatmentPCa diagnosisEnd Results-Medicare databaseResonance imagingMultivariable logistic regression analysisPropensity scoreDiagnosis of PCaUse of MRIConditional logistic regression modelsLogistic regression analysisLogistic regression modelsInitial managementMultivariable analysisGreater oddsPatientsSocioeconomic statusDiagnosisHigher likelihoodRegression analysisDemographic factorsCancer
2017
Patterns of care and outcomes for use of concurrent chemoradiotherapy over radiotherapy alone for anaplastic gliomas
Yeboa DN, Rutter CE, Park HS, Lester-Coll NH, Corso CD, Mancini BR, Bindra RS, Contessa J, Yu JB. Patterns of care and outcomes for use of concurrent chemoradiotherapy over radiotherapy alone for anaplastic gliomas. Radiotherapy And Oncology 2017, 125: 258-265. PMID: 29054377, DOI: 10.1016/j.radonc.2017.09.027.Peer-Reviewed Original ResearchConceptsUse of CCRTConcurrent chemoradiotherapyPatterns of careAnaplastic gliomasOverall survivalCox proportional hazards regression modelingProportional hazards regression modelingMultivariable logistic regression analysisConcurrent CRTNational Cancer DatabaseKaplan-Meier analysisLog-rank testLogistic regression analysisGrade III gliomasAdjusted hazardAdult patientsImproved survivalCancer DatabaseDesign cohortRadiotherapyPropensity scorePatientsGliomasChemoradiotherapyRegression modeling
2016
Elderly patients undergoing SBRT for inoperable early-stage NSCLC achieve similar outcomes to younger patients
Mancini BR, Park HS, Harder EM, Rutter CE, Corso CD, Decker RH, Husain ZA. Elderly patients undergoing SBRT for inoperable early-stage NSCLC achieve similar outcomes to younger patients. Lung Cancer 2016, 97: 22-27. PMID: 27237023, DOI: 10.1016/j.lungcan.2016.04.011.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerEarly-stage non-small cell lung cancerStereotactic body radiation therapyNon-elderly patientsElderly patientsDistant controlOverall survivalYounger patientsInoperable early-stage non-small cell lung cancerUse of SBRTStage non-small cell lung cancerLocal controlMultivariable Cox proportional hazards analysisCox proportional hazards analysisGrade 5 toxicityNon-elderly cohortProportional hazards analysisCell lung cancerRisk of complicationsRate of efficacyBody radiation therapyLogistic regression analysisLate gradeAcute gradeSurgical resection
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 systemPredictors of vaginal stenosis after intravaginal high-dose-rate brachytherapy for endometrial carcinoma
Park HS, Ratner ES, Lucarelli L, Polizzi S, Higgins SA, Damast S. Predictors of vaginal stenosis after intravaginal high-dose-rate brachytherapy for endometrial carcinoma. Brachytherapy 2015, 14: 464-470. PMID: 25887343, DOI: 10.1016/j.brachy.2015.03.001.Peer-Reviewed Original ResearchConceptsVaginal stenosisDilator useIndependent predictorsEndometrial carcinomaTotal doseRate brachytherapyMultivariable logistic regression analysisExternal beam radiation therapyCommon Terminology CriteriaEffective adjuvant treatmentMonths of followupPost-treatment factorsBeam radiation therapyHigher total doseLogistic regression analysisTerminology CriteriaAdjuvant treatmentFollowup visitMean followupAdverse eventsLast followupMultivariable analysisRisk factorsRadiation therapyPatientsThe evolving role of adjuvant radiotherapy for elderly women with early‐stage breast cancer
Rutter CE, Lester-Coll NH, Mancini BR, Corso CD, Park HS, Yeboa DN, Gross CP, Evans SB. The evolving role of adjuvant radiotherapy for elderly women with early‐stage breast cancer. Cancer 2015, 121: 2331-2340. PMID: 25810128, DOI: 10.1002/cncr.29377.Peer-Reviewed Original ResearchConceptsEarly-stage breast cancerER-positive early-stage breast cancerRT useElderly patientsLogistic regression analysisBoost radiotherapyAdjuvant radiotherapyBreast cancerLeukemia Group B (CALGB) 9343 trialPositive early-stage breast cancerNational Cancer Data BaseMultivariable logistic regression analysisAvoidance of radiotherapyLocal control benefitNegative resection marginsYear of diagnosisUse of radiotherapyRegression analysisClinicopathologic covariatesRT detailsOlder patientsOverall survivalHypofractionated radiotherapyResection marginsEvidence-based practice