2022
Thoracic CT follow-up after non-small-cell lung cancer resection
Woodard G, Boffa D, Blasberg J. Thoracic CT follow-up after non-small-cell lung cancer resection. The Lancet Oncology 2022, 23: e484. PMID: 36328013, DOI: 10.1016/s1470-2045(22)00618-0.Commentaries, Editorials and Letters
2021
A Lower Tidal Volume Regimen during One-lung Ventilation for Lung Resection Surgery Is Not Associated with Reduced Postoperative Pulmonary Complications.
Colquhoun DA, Leis AM, Shanks AM, Mathis MR, Naik BI, Durieux ME, Kheterpal S, Pace NL, Popescu WM, Schonberger RB, Kozower BD, Walters DM, Blasberg JD, Chang AC, Aziz MF, Harukuni I, Tieu BH, Blank RS. A Lower Tidal Volume Regimen during One-lung Ventilation for Lung Resection Surgery Is Not Associated with Reduced Postoperative Pulmonary Complications. Anesthesiology 2021, 134: 562-576. PMID: 33635945, PMCID: PMC8274370, DOI: 10.1097/aln.0000000000003729.Peer-Reviewed Original ResearchMeSH KeywordsFemaleHumansLungMaleMiddle AgedOne-Lung VentilationPostoperative ComplicationsRetrospective StudiesTidal VolumeConceptsPositive end-expiratory pressureOne-lung ventilationPostoperative pulmonary complicationsEnd-expiratory pressurePulmonary complicationsProtective ventilationTidal volumeThoracic surgeryMajor postoperative pulmonary complicationsVentilation regimenLung resection surgeryRetrospective observational analysisThoracic Surgeons databaseMedian tidal volumeLung resection proceduresUnmatched cohortMajor surgeryPrimary outcomeResection surgerySurgeons databaseIndependent associationResection proceduresDecreased oddsIntraoperative dataComplications
2019
Digital 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 decisionComparison of Survival Rates After a Combination of Local Treatment and Systemic Therapy vs Systemic Therapy Alone for Treatment of Stage IV Non–Small Cell Lung Cancer
Uhlig J, Case MD, Blasberg JD, Boffa DJ, Chiang A, Gettinger SN, Kim HS. Comparison of Survival Rates After a Combination of Local Treatment and Systemic Therapy vs Systemic Therapy Alone for Treatment of Stage IV Non–Small Cell Lung Cancer. JAMA Network Open 2019, 2: e199702. PMID: 31433481, PMCID: PMC6707019, DOI: 10.1001/jamanetworkopen.2019.9702.Peer-Reviewed Original ResearchMeSH KeywordsAblation TechniquesAdolescentAdultAgedAged, 80 and overAntineoplastic AgentsCarcinoma, Non-Small-Cell LungChemotherapy, AdjuvantComparative Effectiveness ResearchDatabases, FactualFemaleFollow-Up StudiesHumansLung NeoplasmsMaleMiddle AgedNeoplasm MetastasisNeoplasm StagingPneumonectomyProportional Hazards ModelsRadiotherapy, AdjuvantRetrospective StudiesSurvival RateTreatment OutcomeYoung AdultConceptsStage IV non-small cell lung cancerNon-small cell lung cancerPrimary tumor siteSuperior overall survivalSystemic therapySurgical resectionCell lung cancerExternal beam radiotherapyOverall survivalSurvival benefitLocal treatmentTumor siteTumor characteristicsLung cancerTreatment groupsMultivariable Cox proportional hazards regression modelsOligometastatic non-small cell lung cancerStage IV squamous cell carcinomaSurvival rateCox proportional hazards regression modelProportional hazards regression modelsComparative effectiveness research studyCancer-specific factorsNational Cancer DatabaseStage IV diseaseQuality Versus Quantity
Chiu AS, Arnold BN, Hoag JR, Herrin J, Kim CH, Salazar MC, Monsalve AF, Jean RA, Blasberg JD, Detterbeck FC, Gross CP, Boffa DJ. Quality Versus Quantity. Annals Of Surgery 2019, Publish Ahead of Print: &na;. PMID: 29697446, DOI: 10.1097/sla.0000000000002762.Peer-Reviewed Original ResearchConceptsComplex cancer surgeryCancer surgerySafe hospitalComplex oncologic surgeryPotential mortality reductionNational Cancer DatabaseHigh-volume hospitalsHospital quality measuresSurgical mortalityPrimary cancerHospital rating systemsOncologic surgeryCancer DatabaseMortality reductionSurgical volumeHospital safetyPatient realignmentPatientsHospitalSurgeryMeaningful reductionPublic reportingMortalityRSMRCancer
2018
Identifying Drivers of Multiple Readmissions After Pulmonary Lobectomy
Jean RA, Chiu AS, Hoag JR, Blasberg JD, Boffa DJ, Detterbeck FC, Kim AW. Identifying Drivers of Multiple Readmissions After Pulmonary Lobectomy. The Annals Of Thoracic Surgery 2018, 107: 947-953. PMID: 30336117, DOI: 10.1016/j.athoracsur.2018.08.070.Peer-Reviewed Original ResearchConceptsPulmonary lobectomyMultiple readmissionsSecond readmissionFirst readmissionIndex hospitalizationPostoperative infectionLung cancerPrimary diagnosisHeart diseaseClinical Classification Software codesNationwide Readmissions DatabaseTime of readmissionPostoperative arrhythmiasPostoperative complicationsPostoperative sepsisPerioperative periodPostoperative periodClinical factorsReadmissionLobectomyPatientsStudy periodImportant markerDiagnosisHealthcare qualitySurvival Rates after Thermal Ablation versus Stereotactic Radiation Therapy for Stage 1 Non-Small Cell Lung Cancer: A National Cancer Database Study.
Uhlig J, Ludwig JM, Goldberg SB, Chiang A, Blasberg JD, Kim HS. Survival Rates after Thermal Ablation versus Stereotactic Radiation Therapy for Stage 1 Non-Small Cell Lung Cancer: A National Cancer Database Study. Radiology 2018, 289: 862-870. PMID: 30226453, DOI: 10.1148/radiol.2018180979.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerStage 1 non-small cell lung cancerStereotactic radiation therapyCell lung cancerOverall survivalLung cancerThermal ablationRadiation therapySurvival ratePropensity score-matched cohortUnplanned hospital readmission ratesNational Cancer DatabaseUnplanned hospital readmissionOverall survival rateHospital readmission ratesSmaller tumor sizeMore comorbiditiesReadmission ratesHospital readmissionRetrospective studyTumor sizePotential confoundersCancer DatabasePrimary treatmentPatientsDelayed discharge does not decrease the cost of readmission after pulmonary lobectomy
Jean RA, Chiu AS, Boffa DJ, Detterbeck FC, Kim AW, Blasberg JD. Delayed discharge does not decrease the cost of readmission after pulmonary lobectomy. Surgery 2018, 164: 1294-1299. PMID: 30064733, DOI: 10.1016/j.surg.2018.05.049.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overFemaleHumansMaleMiddle AgedPatient DischargePatient ReadmissionPneumonectomyRetrospective StudiesYoung AdultConceptsRisk-adjusted readmission ratesReadmission ratesLate dischargeDischarge groupPulmonary lobectomyCostly readmissionsLung cancerHospital costsOverall health care utilizationExcess health care costsRoutine dischargeCosts of readmissionIndex hospital costsLate discharge groupRoutine discharge groupPatients 65 yearsNationwide Readmissions DatabaseHospital day 1Hospital day 4Health care utilizationCases of lobectomyHealth care costsIndex hospitalHospital durationCare utilizationWhen good operations go bad: The additive effect of comorbidity and postoperative complications on readmission after pulmonary lobectomy
Jean RA, Chiu AS, Boffa DJ, Detterbeck FC, Blasberg JD, Kim AW. When good operations go bad: The additive effect of comorbidity and postoperative complications on readmission after pulmonary lobectomy. Surgery 2018, 164: 294-299. PMID: 29801731, DOI: 10.1016/j.surg.2018.03.019.Peer-Reviewed Original ResearchConceptsPostoperative complicationsReadmission ratesPulmonary lobectomyAdditional comorbiditiesThoracic surgeryCause readmission rateDays of dischargeNationwide Readmissions DatabaseNumber of comorbiditiesRisk of readmissionMajor thoracic surgeryProbability of readmissionLow risk profileHealth care deliveryHospital factorsHospital readmissionLow comorbidityElixhauser comorbiditiesThoracic lobectomyLung cancerPrimary diagnosisChronic diseasesHigh burdenMean changeValue-based reimbursementDepth of Muscularis Propria Invasion Does Not Prognosticate Survival in T2 Esophageal Adenocarcinoma
SEDER CW, MAHON B, HENNON M, THOMAS M, LEVEA CM, MATKOWSKYJ KA, KRISHNA M, MEDAIROS R, MACKE RA, BASU S, BLASBERG JD. Depth of Muscularis Propria Invasion Does Not Prognosticate Survival in T2 Esophageal Adenocarcinoma. Anticancer Research 2018, 38: 2195-2200. PMID: 29599339, DOI: 10.21873/anticanres.12461.Peer-Reviewed Original ResearchConceptsMuscularis propria invasionEsophageal adenocarcinomaPrognostic factorsCox proportional hazards regression analysisInferior long-term outcomesProportional hazards regression analysisPercent of patientsDisease-free survivalKaplan-Meier analysisRisk of lymphHazards regression analysisLong-term outcomesU.S. academic medical centersLong-term survivalAcademic medical centerInduction therapyMedian OSMedian ageNodal statusPerineural invasionTherapy statusSurvival differencesTumor gradeBlinded pathologistMedical CenterTiming and Risk Factors Associated With Venous Thromboembolism After Lung Cancer Resection
Thomas DC, Arnold BN, Hoag JR, Salazar MC, Detterbeck FC, Boffa DJ, Kim AW, Blasberg JD. Timing and Risk Factors Associated With Venous Thromboembolism After Lung Cancer Resection. The Annals Of Thoracic Surgery 2018, 105: 1469-1475. PMID: 29501644, DOI: 10.1016/j.athoracsur.2018.01.072.Peer-Reviewed Original ResearchConceptsPostdischarge venous thromboembolismVenous thromboembolismHospital dischargeOperative timeRisk factorsPostdischarge prophylaxisVTE eventsMultivariable analysisLung cancerNational Surgical Quality Improvement Program databaseQuality Improvement Program databaseExtended VTE prophylaxisLung cancer resectionImprovement Program databaseShorter operative timeLengthy resectionsVTE prophylaxisAnatomic resectionClinical characteristicsInvasive resectionLung resectionOlder patientsOpen resectionCancer resectionIndependent predictorsPrimary Salivary Type Lung Cancers in the National Cancer Database
Resio BJ, Chiu AS, Hoag J, Dhanasopon AP, Blasberg JD, Boffa DJ. Primary Salivary Type Lung Cancers in the National Cancer Database. The Annals Of Thoracic Surgery 2018, 105: 1633-1639. PMID: 29486180, DOI: 10.1016/j.athoracsur.2018.01.055.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedCarcinoma, Adenoid CysticCarcinoma, MucoepidermoidConfidence IntervalsDatabases, FactualFemaleFollow-Up StudiesHumansLung NeoplasmsMaleMiddle AgedNeoplasm InvasivenessNeoplasm StagingPneumonectomyProportional Hazards ModelsRetrospective StudiesRisk AssessmentSalivary Gland NeoplasmsSurvival AnalysisConceptsNational Cancer DatabaseAdenoid cystic carcinomaMucoepidermoid carcinomaLung cancerCancer DatabaseMEC patientsACC patientsMortality riskMultivariable Cox proportional hazards regression modelsCox proportional hazards regression modelProportional hazards regression modelsAdjusted mortality riskPulmonary mucoepidermoid carcinomaLymph node metastasisPrimary lung tumorsIncomplete tumor resectionRisk of deathHazards regression modelsHigh tumor gradeOverall prognosisPrimary lungPulmonary malignancyWedge resectionNode metastasisDistant metastasis
2017
Fate of Pneumonectomy Patients Variably Captured by Non-Small Cell Lung Cancer Staging System
Dhanasopon AP, Salazar MC, Hoag JR, Rosen JE, Kim AW, Detterbeck FC, Blasberg JD, Boffa DJ. Fate of Pneumonectomy Patients Variably Captured by Non-Small Cell Lung Cancer Staging System. The Annals Of Thoracic Surgery 2017, 104: 1829-1836. PMID: 29074151, DOI: 10.1016/j.athoracsur.2017.06.073.Peer-Reviewed Original ResearchConceptsLung cancer staging systemCancer (AJCC) staging systemPneumonectomy patientsLung cancerMortality riskStage IStaging systemLobectomy patientsCox modelNon-small cell lung cancerMultivariable Cox modelNational Cancer DatabaseTreatment-naive patientsOverall survival curvesCell lung cancerLung cancer patientsBenefits of treatmentHigher mortality riskStage-specific survivalRight pneumonectomyLeft pneumonectomyCancer patientsCancer DatabaseInclusion criteriaPneumonectomyThe Significance of Upfront Knowledge of N2 Disease in Non‐small Cell Lung Cancer
Thomas DC, Arnold BN, Rosen JE, Salazar MC, Detterbeck FC, Blasberg JD, Boffa DJ, Kim AW. The Significance of Upfront Knowledge of N2 Disease in Non‐small Cell Lung Cancer. World Journal Of Surgery 2017, 42: 161-171. PMID: 28799084, DOI: 10.1007/s00268-017-4165-6.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerUnsuspected N2 diseaseIII-N2 non-small cell lung cancerN2 diseaseCell lung cancerSurgical resectionAdjuvant chemotherapyAdjuvant therapyOverall survivalPathologic stageLung cancerMultivariate analysisCurative-intent surgical resectionStage IIIA NSCLCHigher comorbidity scoreNational Cancer DatabaseIndependent risk factorKaplan-Meier analysisCN2 diseaseIIIA NSCLCComorbidity scoreCancer DatabaseRisk factorsRetrospective analysisRadiation therapyAssociation of Delayed Adjuvant Chemotherapy With Survival After Lung Cancer Surgery
Salazar MC, Rosen JE, Wang Z, Arnold BN, Thomas DC, Herbst RS, Kim AW, Detterbeck FC, Blasberg JD, Boffa DJ. Association of Delayed Adjuvant Chemotherapy With Survival After Lung Cancer Surgery. JAMA Oncology 2017, 3: 610-619. PMID: 28056112, PMCID: PMC5824207, DOI: 10.1001/jamaoncol.2016.5829.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, Non-Small-Cell LungChemotherapy, AdjuvantDrug Administration ScheduleFemaleHumansLung NeoplasmsMaleMiddle AgedNeoplasm GradingNeoplasm StagingPneumonectomyPostoperative PeriodProportional Hazards ModelsRetrospective StudiesTreatment OutcomeUnited StatesConceptsLung cancer surgeryCell lung cancer resectionAdjuvant chemotherapyLung cancer resectionNational Cancer DatabaseCell lung cancerLower mortality riskCancer surgeryCox modelCancer resectionLung cancerCancer DatabaseMortality riskCell lung cancer surgeryHospital-based tumor registryIncident lung cancer casesPostoperative multiagent chemotherapyInitiation of chemotherapyTreatment-naive patientsPropensity-matched pairsRetrospective observational studyLymph node metastasisLung cancer casesChemotherapy initiationPostoperative chemotherapy
2016
Role of Adjuvant Therapy for Node-Negative Lung Cancer Invading the Chest Wall
Gao SJ, Corso CD, Blasberg JD, Detterbeck FC, Boffa DJ, Decker RH, Kim AW. Role of Adjuvant Therapy for Node-Negative Lung Cancer Invading the Chest Wall. Clinical Lung Cancer 2016, 18: 169-177.e4. PMID: 27890561, DOI: 10.1016/j.cllc.2016.08.005.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerAdjuvant chemotherapyAdjuvant chemoradiation therapyUnderwent surgeryChemoradiation therapyChest wall resectionRadiation therapyMargin statusTumor sizeLung cancerWall resectionNode-negative lung cancerNational Cancer Data BaseCox proportional hazards modelMargin-positive patientsChest wall invasionCell lung cancerLog-rank testStage IIB tumorsProportional hazards modelAdjuvant therapyAdjuvant treatmentOverall survivalMultivariable analysisIIB tumorsTiming of Surgery after Neoadjuvant Chemoradiation in Locally Advanced Non–Small Cell Lung Cancer
Gao SJ, Corso CD, Wang EH, Blasberg JD, Detterbeck FC, Boffa DJ, Decker RH, Kim AW. Timing of Surgery after Neoadjuvant Chemoradiation in Locally Advanced Non–Small Cell Lung Cancer. Journal Of Thoracic Oncology 2016, 12: 314-322. PMID: 27720827, DOI: 10.1016/j.jtho.2016.09.122.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaCarcinoma, Large CellCarcinoma, Non-Small-Cell LungCarcinoma, Squamous CellChemoradiotherapy, AdjuvantCombined Modality TherapyFemaleFollow-Up StudiesHumansLung NeoplasmsMaleMiddle AgedNeoadjuvant TherapyNeoplasm StagingPneumonectomyPrognosisRetrospective StudiesSurvival RateTime FactorsConceptsNational Cancer Data BaseNeoadjuvant chemoradiationTiming of surgeryOverall survivalAdvanced non-small cell lung cancerNon-small cell lung cancerStage IIIA-N2 NSCLCStage IIIA NSCLCKaplan-Meier methodOverall survival rateSubset of patientsCell lung cancerLog-rank testMultivariate survival analysisProportional hazards modelIIIA NSCLCN2 NSCLCNeoadjuvant therapyTrimodality therapySurgical resectionClinical stageRetrospective studyLung cancerHazards modelSurvival rateHospital Volume and Outcomes of Robot-Assisted Lobectomies
Tchouta LN, Park HS, Boffa DJ, Blasberg JD, Detterbeck FC, Kim AW. Hospital Volume and Outcomes of Robot-Assisted Lobectomies. CHEST Journal 2016, 151: 329-339. PMID: 27687847, DOI: 10.1016/j.chest.2016.09.008.Peer-Reviewed Original ResearchMeSH KeywordsAgedCase-Control StudiesCohort StudiesDatabases, FactualFemaleHospital MortalityHospitals, High-VolumeHospitals, Low-VolumeHumansLength of StayLinear ModelsLogistic ModelsLungLung NeoplasmsMaleMiddle AgedMultivariate AnalysisPneumonectomyPostoperative ComplicationsRetrospective StudiesRobotic Surgical ProceduresThoracic Surgery, Video-AssistedTreatment OutcomeConceptsLength of stayLow-volume centersHospital volumeClinical impactHealth care system-related factorsShorter mean LOSUtilization Project National Inpatient Sample databaseVolume/outcome relationshipLong-term clinical impactMean LOSNational Inpatient Sample databaseShorter LOSVideo-assisted thoracoscopic surgeryHospital operative volumeHigh-volume hospitalsIncidence of complicationsHigher hospital volumeThoracoscopic surgery lobectomyAnnual case volumeSystem-related factorsOutcomes of interestLOS outcomesInfectious complicationsInpatient mortalityIndependent predictorsThe differential impact of preoperative comorbidity on perioperative outcomes following thoracoscopic and open lobectomies
Jawitz OK, Wang Z, Boffa DJ, Detterbeck FC, Blasberg JD, Kim AW. The differential impact of preoperative comorbidity on perioperative outcomes following thoracoscopic and open lobectomies. European Journal Of Cardio-Thoracic Surgery 2016, 51: 169-174. PMID: 27458143, DOI: 10.1093/ejcts/ezw239.Peer-Reviewed Original ResearchConceptsNationwide Inpatient SampleOpen lobectomyPostoperative lengthVATS lobectomyLobectomy patientsVideo-assisted thoracoscopic surgery lobectomyBenign lung conditionsOpen lobectomy patientsPerioperative pulmonary complicationsVATS lobectomy patientsNumber of comorbiditiesNon-elective admissionsCell lung cancerMultivariable logistic regressionThoracoscopic surgery lobectomyStandard of careUtilization Project databasePreoperative patient comorbiditiesCumulative incidence modelsLogistic regression modellingHospital mortalityPreoperative comorbiditiesPulmonary complicationsGreater comorbidityPerioperative outcomesOutpatient air leak management after lobectomy: a CMS cost analysis
Schmocker RK, Vanness DJ, Macke RA, Akhter SA, Maloney JD, Blasberg JD. Outpatient air leak management after lobectomy: a CMS cost analysis. Journal Of Surgical Research 2016, 203: 390-397. PMID: 27363648, PMCID: PMC4926869, DOI: 10.1016/j.jss.2016.03.043.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAmbulatory CareCarcinoma, Non-Small-Cell LungCenters for Medicare and Medicaid Services, U.S.Cost SavingsCost-Benefit AnalysisFemaleFollow-Up StudiesHospital CostsHumansLength of StayLung NeoplasmsMaleMiddle AgedPatient ReadmissionPneumonectomyPneumothoraxPostoperative CarePostoperative ComplicationsRetrospective StudiesTreatment OutcomeUnited StatesConceptsLength of stayCell lung cancerAir leakOutpatient managementLung cancerStudy groupDischarge criteriaShorter LOSCohort of patientsAir leak managementPostoperative milestonesStudy patientsHospital daysPostoperative complicationsPostoperative careOutpatient daysHospital costsThoracic proceduresLobectomyPatientsReadmissionEnd pointLeak managementStudy periodModest reduction