2014
A 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 ResearchConceptsLength 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 oddsGastrectomyPatientsA Comparison of Open and Minimally Invasive Surgery for Hepatic & Pancreatic Resections Using the Nationwide Inpatient Sample (NIS)
Ejaz A, Sachs T, Spolverato G, Ahuja N, Makary M, Wolfgang C, Hirose K, Weiss M, Pawlik T. A Comparison of Open and Minimally Invasive Surgery for Hepatic & Pancreatic Resections Using the Nationwide Inpatient Sample (NIS). Journal Of Surgical Research 2014, 186: 641-642. DOI: 10.1016/j.jss.2013.11.665.Peer-Reviewed Original Research
2010
Asian Race/Ethnicity as a Risk Factor for Bile Duct Injury During Cholecystectomy
Downing SR, Datoo G, Oyetunji TA, Fullum T, Chang DC, Ahuja N. Asian Race/Ethnicity as a Risk Factor for Bile Duct Injury During Cholecystectomy. JAMA Surgery 2010, 145: 785-787. PMID: 20713933, PMCID: PMC4086633, DOI: 10.1001/archsurg.2010.131.Peer-Reviewed Original ResearchConceptsBile duct injuryAsian race/ethnicityRace/ethnicitySignificant risk factorsRisk factorsDuct injuryIatrogenic bile duct injuryMultivariate logistic regression analysisAberrant biliary anatomyHospital days 0Nationwide Inpatient SampleLogistic regression analysisAcute cholecystitisOpen cholecystectomySerious complicationsMale sexBiliary anatomyInpatient SampleCholecystectomyDay 0Older ageLaparoscopicRegression analysisInjuryProcedure codesTeaching 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
2009
Variations in Referral Patterns to High-Volume Centers for Pancreatic Cancer
Chang DC, Zhang Y, Mukherjee D, Wolfgang CL, Schulick RD, Cameron JL, Ahuja N. Variations in Referral Patterns to High-Volume Centers for Pancreatic Cancer. Journal Of The American College Of Surgeons 2009, 209: 720-726. PMID: 19959040, PMCID: PMC4036485, DOI: 10.1016/j.jamcollsurg.2009.09.011.Peer-Reviewed Original ResearchConceptsHigh-volume centersHigh-volume hospitalsNationwide Inpatient SamplePancreatic cancer patientsArea Resource FilePancreatic resectionCancer patientsInpatient SamplePancreatic cancerRadiation oncologistsCharlson Comorbidity Index scoreComorbidity Index scoreOdds of referralPrimary outcome variableResource FileCommunity poverty levelCalendar yearPatient ageOverall referralsReferral patternsVolume centersInsurance statusPrimary diagnosisInclusion criteriaRetrospective analysis
2008
What Constitutes a “High-Volume” Hospital for Pancreatic Resection?
Meguid RA, Ahuja N, Chang DC. What Constitutes a “High-Volume” Hospital for Pancreatic Resection? Journal Of The American College Of Surgeons 2008, 206: 622.e1-622.e9. PMID: 18387466, DOI: 10.1016/j.jamcollsurg.2007.11.011.Peer-Reviewed Original ResearchConceptsPancreatic resectionResection volumeCenters of excellenceNationwide Inpatient SampleMultivariable logistic regressionImproved postoperative outcomesHospital mortalityPostoperative mortalityPerioperative deathsPostoperative outcomesInpatient SampleRetrospective analysisResectionVolume thresholdImperfect surrogateLogistic regressionPatients