2020
Association of Treatment Inequity and Ancestry With Pancreatic Ductal Adenocarcinoma Survival
Heller DR, Nicolson NG, Ahuja N, Khan S, Kunstman JW. Association of Treatment Inequity and Ancestry With Pancreatic Ductal Adenocarcinoma Survival. JAMA Surgery 2020, 155: e195047. PMID: 31800002, PMCID: PMC6902102, DOI: 10.1001/jamasurg.2019.5047.Peer-Reviewed Original ResearchConceptsPancreatic ductal adenocarcinomaNational Cancer DatabaseWhite patientsBlack patientsAdvanced diseaseOverall survivalClinical parametersDisease stageCancer DatabaseSurgical proceduresMultivariable Cox proportional hazards regression modelingTreatment inequitiesCox proportional hazards regression modelingPancreatic ductal adenocarcinoma (PDAC) survivalUnadjusted median overall survivalYounger ageProportional hazards regression modelingMedian overall survivalModest survival advantageStage II diseaseNew cancer diagnosesLess chemotherapyResectable cancerCohort studyPrimary outcome
2019
Hepatocellular carcinoma: Impact of academic setting and hospital volume on patient survival
Uhlig J, Sellers CM, Khan SA, Cha C, Kim HS. Hepatocellular carcinoma: Impact of academic setting and hospital volume on patient survival. Surgical Oncology 2019, 31: 111-118. PMID: 31654956, DOI: 10.1016/j.suronc.2019.10.009.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, HepatocellularCombined Modality TherapyDatabases, FactualFemaleFollow-Up StudiesHepatectomyHospitals, High-VolumeHospitals, Low-VolumeHumansLiver NeoplasmsLiver TransplantationMaleMiddle AgedPractice Patterns, Physicians'PrognosisRetrospective StudiesSurvival RateConceptsOverall survivalHepatocellular carcinomaAcademic centersHospital volumePatient survivalInterventional oncologyYoung African American patientsHigh-volume academic centersMultivariable Cox regressionFirst-line treatmentLow-volume centersLonger patient survivalAfrican American patientsHCC treatment modalitiesNon-academic centersLiver transplantMultivariable adjustmentPatient demographicsSurgical resectionLine treatmentCox regressionPotential confoundersVolume centersTreatment modalitiesAmerican patientsDigital Inference of Immune Microenvironment Reveals Low-Risk Subtype of Early Lung Adenocarcinoma
Kurbatov V, Balayev A, Saffarzadeh A, Heller DR, Boffa DJ, Blasberg JD, Lu J, Khan SA. Digital Inference of Immune Microenvironment Reveals Low-Risk Subtype of Early Lung Adenocarcinoma. The Annals Of Thoracic Surgery 2019, 109: 343-349. PMID: 31568747, DOI: 10.1016/j.athoracsur.2019.08.050.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinoma of LungAdultAgedCohort StudiesDatabases, FactualDisease-Free SurvivalFemaleHumansImmunotherapyKaplan-Meier EstimateLung NeoplasmsMaleMiddle AgedNeoplasm InvasivenessNeoplasm StagingPneumonectomyPrognosisProportional Hazards ModelsRetrospective StudiesRisk AssessmentSurvival AnalysisTumor MicroenvironmentConceptsTumor immune microenvironmentImmune microenvironmentLung adenocarcinomaOverall survivalRisk groupsMast cellsCox proportional hazard modelingEarly-stage lung adenocarcinomaLow-risk subtypesKaplan-Meier analysisPathological staging systemProportional hazard modelingImproved clinical outcomesCancer immune microenvironmentImmune cell typesEarly lung adenocarcinomaActivation stateClinical outcomesValidation cohortMacrophage contentStaging systemMultivariable modelCIBERSORT analysisPatientsClinical decisionPractice Patterns and Guideline Non-Adherence in Surgical Management of Appendiceal Carcinoid Tumors
Heller DR, Jean RA, Luo J, Kurbatov V, Grisotti G, Jacobs D, Chiu AS, Zhang Y, Khan SA. Practice Patterns and Guideline Non-Adherence in Surgical Management of Appendiceal Carcinoid Tumors. Journal Of The American College Of Surgeons 2019, 228: 839-851. PMID: 30898583, PMCID: PMC6751559, DOI: 10.1016/j.jamcollsurg.2019.02.050.Peer-Reviewed Original ResearchConceptsNational Comprehensive Cancer Network guidelinesAge 65 yearsAppendiceal carcinoid tumorsAppendiceal carcinoidsLarge tumorsPractice patternsOverall survivalCarcinoid tumorsSurgical managementNetwork guidelinesProcedure typeSmall tumorsHistory of malignancyNational Cancer DatabaseNational practice patternsMultivariable logistic regressionImpact of guidelinesCox proportional hazardsAggressive resectionLymphovascular invasionClinical factorsTreatment guidelinesTumor sizePatient groupNon-AdherenceIntrahepatic Cholangiocarcinoma: Socioeconomic Discrepancies, Contemporary Treatment Approaches and Survival Trends from the National Cancer Database
Uhlig J, Sellers CM, Cha C, Khan SA, Lacy J, Stein SM, Kim HS. Intrahepatic Cholangiocarcinoma: Socioeconomic Discrepancies, Contemporary Treatment Approaches and Survival Trends from the National Cancer Database. Annals Of Surgical Oncology 2019, 26: 1993-2000. PMID: 30693451, DOI: 10.1245/s10434-019-07175-4.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseIntrahepatic cholangiocarcinomaOverall survivalMedicaid insuranceCancer DatabaseLonger survivalTreatment allocationSurvival trendsTreatment approachesInterventional oncologySocioeconomic discrepanciesHigher surgery ratesMultivariable Cox modelFirst-line treatmentCurrent treatment approachesContemporary treatment approachesLow incomeMale African AmericansEligible patientsMethodsThe 2004ICC patientsSurgery ratesMale sexTreatment predictorsCancer stage
2018
Regional Differences in Palliative Care Utilization Among Geriatric Colorectal Cancer Patients Needing Emergent Surgery
Heller DR, Jean RA, Chiu AS, Feder SI, Kurbatov V, Cha C, Khan SA. Regional Differences in Palliative Care Utilization Among Geriatric Colorectal Cancer Patients Needing Emergent Surgery. Journal Of Gastrointestinal Surgery 2018, 23: 153-162. PMID: 30328071, PMCID: PMC6751557, DOI: 10.1007/s11605-018-3929-0.Peer-Reviewed Original ResearchConceptsMultivariable logistic regressionPalliative careColorectal cancerPC consultationEmergent surgerySurgical patientsOstomy formationMethodsThe National Inpatient SampleLogistic regressionComplicated colorectal cancerPalliative care utilizationColorectal cancer patientsNational Inpatient SampleMeeting inclusion criteriaQuality of lifeChi-square testingCritical illnessElderly patientsHospital factorsMetastatic diseasePC patientsCare utilizationGeriatric patientsCancer patientsInpatient Sample
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