2015
Early hospital readmission for gastrointestinal-related complications predicts long-term mortality after pancreatectomy
Hicks CW, Tosoian JJ, Craig-Schapiro R, Valero V, Cameron JL, Eckhauser FE, Hirose K, Makary MA, Pawlik TM, Ahuja N, Weiss MJ, Wolfgang CL. Early hospital readmission for gastrointestinal-related complications predicts long-term mortality after pancreatectomy. The American Journal Of Surgery 2015, 210: 636-642.e1. PMID: 26384793, PMCID: PMC4634566, DOI: 10.1016/j.amjsurg.2015.05.009.Peer-Reviewed Original ResearchConceptsEarly hospital readmissionHospital readmissionOverall mortalityLong-term mortalitySignificant independent predictorsBaseline group differencesPancreatectomy patientsIndependent predictorsPrognostic significanceInstitutional databaseRisk factorsPancreatectomyMultivariate analysisReadmissionMortalityComplicationsPatientsAdditional studiesGroup differencesStatewide datasetMorbiditySocial factors
2014
Hospital Volume and Patient Outcomes in Hepato-Pancreatico-Biliary Surgery: Is Assessing Differences in Mortality Enough?
Schneider EB, Ejaz A, Spolverato G, Hirose K, Makary MA, Wolfgang CL, Ahuja N, Weiss M, Pawlik TM. Hospital Volume and Patient Outcomes in Hepato-Pancreatico-Biliary Surgery: Is Assessing Differences in Mortality Enough? Journal Of Gastrointestinal Surgery 2014, 18: 2105-2115. PMID: 25297443, DOI: 10.1007/s11605-014-2619-9.Peer-Reviewed Original ResearchConceptsLength of stayHV hospitalsHV centersHospital volumeMajor complicationsLV centersBiliary surgeryHPB surgeryHospital patientsShorter median LOSMedian LOSComplex HPB surgeryHospital volume strataIncidence of complicationsPost-operative complicationsOverall mean ageHepato-PancreaticoLV hospitalsMedical comorbiditiesImpact of regionalizationMean ageBiliary proceduresHemorrhagic anemiaPatient outcomesIndex mortalityA comparison of open and minimally invasive surgery for hepatic and pancreatic resections using the nationwide inpatient sample
Ejaz A, Sachs T, He J, Spolverato G, Hirose K, Ahuja N, Wolfgang CL, Makary MA, Weiss M, Pawlik TM. A comparison of open and minimally invasive surgery for hepatic and pancreatic resections using the nationwide inpatient sample. Surgery 2014, 156: 538-547. PMID: 25017135, PMCID: PMC4316739, DOI: 10.1016/j.surg.2014.03.046.Peer-Reviewed Original ResearchConceptsMIS patientsInpatient outcomesLiver operationsNationwide Inpatient Sample databasePreoperative medical comorbiditiesIncidence of complicationsMultiple comorbid conditionsShorter median lengthAppropriate International ClassificationNationwide Inpatient SampleInvasive surgery techniquesDuration of stayHospital mortalityPostoperative morbidityHepatic resectionMedical comorbiditiesPancreatic resectionComorbid conditionsMIS groupMedian lengthOpen surgeryInpatient SampleOpen procedureRobotic assistInternational ClassificationRace-based differences in length of stay among patients undergoing pancreatoduodenectomy
Schneider EB, Calkins KL, Weiss MJ, Herman JM, Wolfgang CL, Makary MA, Ahuja N, Haider AH, Pawlik TM. Race-based differences in length of stay among patients undergoing pancreatoduodenectomy. Surgery 2014, 156: 528-537. PMID: 24973128, DOI: 10.1016/j.surg.2014.04.004.Peer-Reviewed Original ResearchMeSH KeywordsAgedBlack or African AmericanCross-Sectional StudiesFemaleGeneral SurgeryHealthcare DisparitiesHispanic or LatinoHospital MortalityHospitalsHumansLength of StayLogistic ModelsMaleMiddle AgedPancreaticoduodenectomyPostoperative ComplicationsRacial GroupsRetrospective StudiesUnited StatesWhite PeopleConceptsHigh-volume hospitalsHigh-volume surgeonsHispanic patientsRace-based differencesWhite patientsMedian annual surgeon volumeAnnual hospital volumeAnnual surgeon volumeOverall median LOSNationwide Inpatient SampleMultivariable logistic regressionLength of stayHospital mortalityHospital lengthMedian LOSHospital volumeOperative morbidityProvider volumeSurgeon volumeMedian lengthPD patientsInpatient SamplePatient racePancreatoduodenectomyEligible individualsInpatient survival after gastrectomy for gastric cancer in the 21st century
Wang H, Pawlik TM, Duncan MD, Hui X, Selvarajah S, Canner JK, Haider AH, Ahuja N, Schneider EB. Inpatient survival after gastrectomy for gastric cancer in the 21st century. Journal Of Surgical Research 2014, 190: 72-78. PMID: 24725677, DOI: 10.1016/j.jss.2014.03.015.Peer-Reviewed Original ResearchMeSH KeywordsAgedCross-Sectional StudiesFemaleGastrectomyHospital MortalityHumansInpatientsMaleRetrospective StudiesStomach NeoplasmsConceptsLength of stayHospital-level factorsHospital mortalityGastric cancerNonelective admissionsLonger LOSBetter patient selectionNationwide Inpatient SampleMultivariable regression modelingRegionalization of careType of procedureInpatient survivalSurgery typeSurgical treatmentMultivariable analysisPatient selectionInpatient SamplePrimary diagnosisMale genderPrimary procedureProcedure typeTeaching hospitalLower oddsGastrectomyPatientsIs Minimally Invasive Colon Resection Better Than Traditional Approaches?: First Comprehensive National Examination With Propensity Score Matching
Juo YY, Hyder O, Haider AH, Camp M, Lidor A, Ahuja N. Is Minimally Invasive Colon Resection Better Than Traditional Approaches?: First Comprehensive National Examination With Propensity Score Matching. JAMA Surgery 2014, 149: 177-184. PMID: 24352653, PMCID: PMC4036435, DOI: 10.1001/jamasurg.2013.3660.Peer-Reviewed Original ResearchConceptsRoutine discharge ratesLaparoscopic colectomyOpen colectomyOstomy ratesColon resectionHospital mortalityComplication rateClinical outcomesUS Nationwide Inpatient Sample databaseNationwide Inpatient Sample databaseInvasive colon resectionPatients 21 yearsUS hospital dischargesShorter median lengthFavorable clinical outcomeLow complication rateLength of stayMost clinical outcomesOverall hospitalization costsLower mortality rateElective colectomyPerioperative outcomesDischarge dispositionHospital dischargeHospitalization costs
2011
Predicting the Risk of Perioperative Mortality in Patients Undergoing Pancreaticoduodenectomy: A Novel Scoring System
Venkat R, Puhan MA, Schulick RD, Cameron JL, Eckhauser FE, Choti MA, Makary MA, Pawlik TM, Ahuja N, Edil BH, Wolfgang CL. Predicting the Risk of Perioperative Mortality in Patients Undergoing Pancreaticoduodenectomy: A Novel Scoring System. JAMA Surgery 2011, 146: 1277-1284. PMID: 22106320, DOI: 10.1001/archsurg.2011.294.Peer-Reviewed Original ResearchConceptsTotal pancreatectomyCharlson indexInstitutional databaseRisk scorePreoperative serum albumin levelHigher Charlson indexPreoperative risk factorsHigh-risk patientsSerum albumin levelTertiary referral centerMultivariate logistic regressionHosmer-Lemeshow testNovel scoring systemSimple integer scoreHigh-volume programPerioperative mortalityReferral centerAlbumin levelsMale sexTumor sizeTraining cohortRisk factorsTherapeutic decisionsObservational studyPancreatectomy
2010
Teaching Hospital Status and Operative Mortality in the United States: Tipping Point in the Volume-Outcome Relationship Following Colon Resections?
Hayanga AJ, Mukherjee D, Chang D, Kaiser H, Lee T, Gearhart S, Ahuja N, Freischlag J. Teaching Hospital Status and Operative Mortality in the United States: Tipping Point in the Volume-Outcome Relationship Following Colon Resections? JAMA Surgery 2010, 145: 346-350. PMID: 20404284, PMCID: PMC4036455, DOI: 10.1001/archsurg.2010.24.Peer-Reviewed Original ResearchConceptsNationwide Inpatient SampleLength of stayVolume-outcome relationshipColon resectionTeaching hospitalBenign diseaseOperative mortalityMean LOSColorectal surgery fellowshipsOdds of deathVolume-outcome effectRetrospective data analysisFederal poverty levelArea Resource FileComorbidity scoreSurgical resectionColon surgeryHospital covariatesNinth RevisionInpatient SampleInsurance statusPatient covariatesSurgeon characteristicsTH statusHospital status
2006
Disparities in Colon Cancer Presentation and In-Hospital Mortality in Maryland: A Ten-Year Review
Ahuja N, Chang D, Gearhart SL. Disparities in Colon Cancer Presentation and In-Hospital Mortality in Maryland: A Ten-Year Review. Annals Of Surgical Oncology 2006, 14: 411-416. PMID: 17080235, DOI: 10.1245/s10434-006-9130-9.Peer-Reviewed Original ResearchMeSH KeywordsAgedBlack or African AmericanColonic NeoplasmsFemaleHospital MortalityHumansMaleMarylandSocioeconomic FactorsWhite PeopleConceptsLife-threatening symptomsHospital mortalityColon cancerSocioeconomic statusAfrican AmericansMaryland hospital discharge databaseColon cancer presentationHospital mortality rateIn-Hospital MortalityHospital discharge databaseColon cancer outcomesPrimary colon cancerColon cancer patientsHealth care accessOutcomes of interestTen-year reviewHigher socioeconomic statusConclusionsRacial disparitiesUnderwent resectionHospital outcomesCancer presentationSurgical resectionSymptomatic patientsPrehospital factorsPoor outcome