2021
Association of Epigenetic Age Acceleration With Risk Factors, Survival, and Quality of Life in Patients With Head and Neck Cancer
Xiao C, Miller AH, Peng G, Levine ME, Conneely KN, Zhao H, Eldridge RC, Wommack EC, Jeon S, Higgins KA, Shin DM, Saba NF, Smith AK, Burtness B, Park HS, Irwin ML, Ferrucci LM, Ulrich B, Qian DC, Beitler JJ, Bruner DW. Association of Epigenetic Age Acceleration With Risk Factors, Survival, and Quality of Life in Patients With Head and Neck Cancer. International Journal Of Radiation Oncology • Biology • Physics 2021, 111: 157-167. PMID: 33882281, PMCID: PMC8802868, DOI: 10.1016/j.ijrobp.2021.04.002.Peer-Reviewed Original ResearchConceptsProgression-free survivalBody mass indexQuality of lifeHigher epigenetic age accelerationTreatment-related symptomsOverall survivalEpigenetic age accelerationRadiation therapyRisk factorsClinical characteristicsNeck cancerAge accelerationWorse overall survivalHuman papilloma virusFaster biological agingAdverse eventsDistant metastasisLifestyle factorsMass indexCancer outcomesBlood biomarkersPapilloma virusFunctional assessmentHigher HRPatients
2020
Nationwide Patterns of Pathologic Fractures Among Patients Hospitalized With Bone Metastases
Jairam V, Lee V, Yu JB, Park HS. Nationwide Patterns of Pathologic Fractures Among Patients Hospitalized With Bone Metastases. American Journal Of Clinical Oncology 2020, 43: 720-726. PMID: 32694296, DOI: 10.1097/coc.0000000000000737.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBone NeoplasmsFemaleFractures, SpontaneousHumansInpatientsMaleMiddle AgedRisk FactorsUnited StatesConceptsPathologic fractureBone metastasesMultiple myelomaUtilization Project National Inpatient SampleLonger inpatient staysMultivariable logistic regressionNational Inpatient SampleIntrahepatic bile ductsRenal pelvis cancerRenal cell carcinomaProphylactic stabilizationHospital admissionPrimary cancerBile ductInpatient stayPelvis cancerCell carcinomaInpatient SamplePrimary diagnosisRisk factorsBaseline differencesOutpatient monitoringHigh riskHealthcare costsPatientsNationwide patterns of hemorrhagic stroke among patients hospitalized with brain metastases: influence of primary cancer diagnosis and anticoagulation
Lee V, Jairam V, Yu JB, Park HS. Nationwide patterns of hemorrhagic stroke among patients hospitalized with brain metastases: influence of primary cancer diagnosis and anticoagulation. Scientific Reports 2020, 10: 10084. PMID: 32572113, PMCID: PMC7308286, DOI: 10.1038/s41598-020-67316-8.Peer-Reviewed Original ResearchConceptsBrain metastasesLong-term anticoagulationIntracerebral hemorrhageKidney cancerHigh riskUtilization Project Nationwide Inpatient SampleDiagnosis of ICHHospital-related characteristicsRisks of anticoagulationPrimary cancer diagnosisMultivariable logistic regressionNationwide Inpatient SampleLonger lengthDiagnosis of melanomaMann-Whitney UHemorrhagic strokeNeurologic dysfunctionConcurrent diagnosisSignificant morbiditySecondary diagnosisInpatient SampleBaseline differencesDecreased qualityAnticoagulationHealthcare costs
2019
Outcomes following Lower Extremity Amputation in Patients with Diabetes Mellitus and Peripheral Arterial Disease
Pourghaderi P, Yuquimpo KM, Roginski Guetter C, Mansfield L, Park HS. Outcomes following Lower Extremity Amputation in Patients with Diabetes Mellitus and Peripheral Arterial Disease. Annals Of Vascular Surgery 2019, 63: 259-268. PMID: 31626926, DOI: 10.1016/j.avsg.2019.08.084.Peer-Reviewed Original ResearchConceptsPeripheral arterial diseaseLower extremity amputationConcurrent diabetes mellitusDiabetes mellitusArterial diseaseExtremity amputationPresence of PADUtilization Project Nationwide Inpatient SampleICD-9 procedure codesNationwide Inpatient SampleBest practice careAdult patientsPatient characteristicsPostoperative outcomesSuch comorbiditiesAdditional patientsClinical outcomesMultivariable analysisEmergency admissionsMean agePatient morbidityPatient populationInpatient SampleHospital characteristicsHigh incidenceDefining an Intermediate-risk Group for Low-grade Glioma: A National Cancer Database Analysis
JAIRAM V, KANN BH, PARK HS, MICCIO JA, BECKTA JM, YU JB, PRABHU RS, GAO SJ, MEHTA MP, CURRAN WJ, BINDRA RS, CONTESSA JN, PATEL KR. Defining an Intermediate-risk Group for Low-grade Glioma: A National Cancer Database Analysis. Anticancer Research 2019, 39: 2911-2918. PMID: 31177129, DOI: 10.21873/anticanres.13420.Peer-Reviewed Original ResearchConceptsIntermediate-risk groupInferior overall survivalOverall survivalAdjuvant therapyLow-grade gliomasTumor sizePrognostic featuresMultivariate analysisPre-operative tumor sizeNational Cancer Database AnalysisNational Cancer DatabaseLow-risk patientsCohort of patientsKaplan-Meier methodPoor prognostic featuresGross total resectionHigh-risk groupPatterns of careAdditional prognostic featuresRTOG 9802Clinical factorsTotal resectionCancer DatabaseRisk groupsClinical classificationSuicide among cancer patients
Zaorsky NG, Zhang Y, Tuanquin L, Bluethmann SM, Park HS, Chinchilli VM. Suicide among cancer patients. Nature Communications 2019, 10: 207. PMID: 30643135, PMCID: PMC6331593, DOI: 10.1038/s41467-018-08170-1.Peer-Reviewed Original ResearchConceptsStandardized mortality ratioCancer patientsHigh riskHigher standardized mortality ratiosColorectal cancer patientsEnd Results ProgramPopulation-based studyYears of agePredominant patientsLocalized diseasePerson yearsResults ProgramHodgkin's lymphomaTesticular tumorsMortality ratioRates of suicideGeneral populationPatientsCommitted suicideUnmarried malesLungSuicideRiskRepresentative dataLymphoma
2018
Stereotactic body radiotherapy with adjuvant systemic therapy for early-stage non-small cell lung carcinoma: A multi-institutional analysis
Kann BH, Miccio JA, Stahl JM, Ross R, Verma V, Dosoretz AP, Park HS, Shafman TD, Gross CP, Yu JB, Decker RH. Stereotactic body radiotherapy with adjuvant systemic therapy for early-stage non-small cell lung carcinoma: A multi-institutional analysis. Radiotherapy And Oncology 2018, 132: 188-196. PMID: 30391106, DOI: 10.1016/j.radonc.2018.10.017.Peer-Reviewed Original ResearchConceptsNon-small cell lung carcinomaStereotactic body radiotherapyAdjuvant systemic therapyEarly-stage non-small cell lung carcinomaSystemic therapyMulti-institutional analysisCell lung carcinomaOverall survivalST patientsBody radiotherapyLung carcinomaDefinitive stereotactic body radiotherapyEarly-stage NSCLC patientsClinical risk factorsRetrospective cohort studyKaplan-Meier methodHigher T stageTreatment of patientsMulti-institutional databasePropensity-score matchingPlatinum doubletsST cohortST regimenCohort studyNSCLC patientsComplementary Medicine, Refusal of Conventional Cancer Therapy, and Survival Among Patients With Curable Cancers
Johnson SB, Park HS, Gross CP, Yu JB. Complementary Medicine, Refusal of Conventional Cancer Therapy, and Survival Among Patients With Curable Cancers. JAMA Oncology 2018, 4: 1375-1381. PMID: 30027204, PMCID: PMC6233773, DOI: 10.1001/jamaoncol.2018.2487.Peer-Reviewed Original ResearchConceptsConventional cancer treatmentsUse of CMOverall survivalComplementary medicineHormone therapyTreatment delayCharlson-Deyo comorbidity scoreCancer treatmentCancer-accredited centersNational Cancer DatabaseCharacteristics of patientsYear of diagnosisRetrospective observational studyConventional cancer therapiesHigh refusal rateRace/ethnicityNonmetastatic breastComorbidity scorePatient characteristicsCurable cancerEntire cohortColorectal cancerCancer DatabaseInsurance typeObservational study
2017
Predictors of Nonadherence to NCCN Guideline Recommendations for the Management of Stage I Anal Canal Cancer.
Kole AJ, Stahl JM, Park HS, Khan SA, Johung KL. Predictors of Nonadherence to NCCN Guideline Recommendations for the Management of Stage I Anal Canal Cancer. Journal Of The National Comprehensive Cancer Network 2017, 15: 355-362. PMID: 28275036, DOI: 10.6004/jnccn.2017.0035.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsAnus NeoplasmsCombined Modality TherapyDatabases, FactualDisease ManagementFemaleHumansMaleMedication AdherenceMiddle AgedNeoplasm GradingNeoplasm StagingOdds RatioPractice Guidelines as TopicPrognosisProportional Hazards ModelsRisk FactorsTreatment OutcomeConceptsAnal canal cancerAnal cancerNCCN recommendationsSurgical proceduresNCCN Clinical Practice GuidelinesNational Cancer Data BaseGuideline-discordant careAnal canal carcinomaPredictors of nonadherenceClinical practice guidelinesHigh tumor gradeLow-grade tumorsLogistic regression modelingNon-academic facilitiesChi-square testDefinitive chemoradiotherapyGuideline concordantConcurrent chemoradiotherapyAnal carcinomaStandard therapyClinicopathologic factorsGuideline recommendationsMultivariable analysisMale sexTumor size
2016
Pulmonary dose-volume predictors of radiation pneumonitis following stereotactic body radiation therapy
Harder EM, Park HS, Chen Z, Decker RH. Pulmonary dose-volume predictors of radiation pneumonitis following stereotactic body radiation therapy. Practical Radiation Oncology 2016, 6: e353-e359. PMID: 27156424, DOI: 10.1016/j.prro.2016.01.015.Peer-Reviewed Original ResearchConceptsMean lung doseStereotactic body radiation therapyRisk of gradeRadiation pneumonitisMultivariable logistic regressionBody radiation therapyDosimetric predictorsRadiation therapyMaximum doseLogistic regressionRP rateBest dosimetric predictorCardiac dosimetric parametersDose-volume predictorsPercent of lungVolume of lungGross tumor volumeBackward stepwise eliminationLung V10Lung doseMean doseTotal lungUnivariate analysisPulmonary volumesTumor volume
2015
Angiotensin-converting enzyme inhibitors decrease the risk of radiation pneumonitis after stereotactic body radiation therapy
Harder EM, Park HS, Nath SK, Mancini BR, Decker RH. Angiotensin-converting enzyme inhibitors decrease the risk of radiation pneumonitis after stereotactic body radiation therapy. Practical Radiation Oncology 2015, 5: e643-e649. PMID: 26412341, DOI: 10.1016/j.prro.2015.07.003.Peer-Reviewed Original ResearchConceptsStereotactic body radiation therapyACE inhibitor useNonsteroidal anti-inflammatory drugsAngiotensin receptor blockersRadiation pneumonitisSymptomatic radiation pneumonitisInhibitor useBody radiation therapyAnti-inflammatory drugsRadiation therapyReceptor blockersACE inhibitorsAngiotensin-converting enzyme inhibitor useACE inhibitor usersCommon Terminology CriteriaEnzyme inhibitor usePrimary lung cancerNormal lung tissuesAvailable medical recordsCox proportional hazardsPulmonary doseTerminology CriteriaInhibitor usersAdverse eventsOverall survivalRacial disparities in the use of SBRT for treating early-stage lung cancer
Corso CD, Park HS, Kim AW, Yu JB, Husain Z, Decker RH. Racial disparities in the use of SBRT for treating early-stage lung cancer. Lung Cancer 2015, 89: 133-138. PMID: 26051446, DOI: 10.1016/j.lungcan.2015.05.002.Peer-Reviewed Original ResearchConceptsStereotactic body radiotherapyUse of SBRTEarly-stage lung cancerBlack patientsExternal beam radiationWhite patientsAggressive therapyLung cancerRacial disparitiesNon-operative cohortNational Cancer DatabaseStage I NSCLCPrimary treatment modalitySurgical resection rateMultivariable logistic regressionPopulation-based studyPotential racial disparitiesInoperable candidatesSBRT useSBRT utilizationInoperable patientsResection rateSurgical resectionMultivariable analysisSurgical interventionPredictors 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 therapyPatients
2014
Prophylactic Cranial Irradiation for Patients With Locally Advanced Non–Small-Cell Lung Cancer at High Risk for Brain Metastases
Park HS, Decker RH, Wilson LD, Yu JB. Prophylactic Cranial Irradiation for Patients With Locally Advanced Non–Small-Cell Lung Cancer at High Risk for Brain Metastases. Clinical Lung Cancer 2014, 16: 292-297. PMID: 25499149, DOI: 10.1016/j.cllc.2014.11.005.Peer-Reviewed Original ResearchConceptsProphylactic cranial irradiationLA-NSCLC patientsSequential landmark analysesCell lung cancerBrain metastasesHigh riskCranial irradiationSurvival benefitLung cancerLandmark analysisEffect of PCICox proportional hazards regressionNon-PCI patientsOverall survival benefitEnd Results (SEER) databaseHigh-risk patientsStage III NSCLCGroup of patientsProportional hazards regressionLog-rank testSignificant survival differenceImmortal time biasPopulation-based analysisAdult patientsOnly patientsIncrease in the use of lung stereotactic body radiotherapy without a preceding biopsy in the United States
Rutter CE, Corso CD, Park HS, Mancini BR, Yeboa DN, Lester-Coll NH, Kim AW, Decker RH. Increase in the use of lung stereotactic body radiotherapy without a preceding biopsy in the United States. Lung Cancer 2014, 85: 390-394. PMID: 25001510, DOI: 10.1016/j.lungcan.2014.06.013.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerStereotactic body radiotherapyBody radiotherapyStage I non-small cell lung cancerEarly-stage non-small cell lung cancerStage non-small cell lung cancerMultivariate analysisUse of SBRTLung stereotactic body radiotherapyLogistic regressionNational Cancer DatabasePercentage of patientsYear of diagnosisSmaller tumor sizeCell lung cancerMultivariate logistic regressionMedical inoperabilityMedical comorbiditiesInoperable patientsTumor sizeLung cancerCancer DatabaseEfficacious treatmentSBRT deliveryBiopsy
2009
Outcomes From 3144 Adrenalectomies in the United States: Which Matters More, Surgeon Volume or Specialty?
Park HS, Roman SA, Sosa JA. Outcomes From 3144 Adrenalectomies in the United States: Which Matters More, Surgeon Volume or Specialty? JAMA Surgery 2009, 144: 1060-1067. PMID: 19917944, DOI: 10.1001/archsurg.2009.191.Peer-Reviewed Original ResearchMeSH KeywordsAdrenal Gland NeoplasmsAdrenalectomyAdultAgedClinical CompetenceCohort StudiesFemaleFollow-Up StudiesHospital CostsHospital MortalityHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisOutcome Assessment, Health CarePractice Patterns, Physicians'ProbabilityRegistriesRetrospective StudiesRisk FactorsSpecializationSurvival RateTreatment OutcomeUnited StatesWorkloadConceptsHigh-volume surgeonsSurgeon volumeHospital volumeMore complicationsGeneral surgeonsUtilization Project Nationwide Inpatient SampleRetrospective cohort analysisNationwide Inpatient SampleLow-volume surgeonsPredictors of costsInpatient hospital costsTotal inpatient hospital costsHospital complicationsHospital lengthAdrenal volumeClinical characteristicsHospital factorsAdrenal diseaseIndependent predictorsLonger LOSPatient ageSurgeon specialtyInpatient SampleHospital costsLaparoscopic expertise