2023
Utility of promoter hypermethylation in malignant risk stratification of intraductal papillary mucinous neoplasms
Chhoda A, Sharma A, Sailo B, Tang H, Ruzgar N, Tan W, Ying L, Khatri R, Narayanan A, Mane S, De Kumar B, Wood L, Iacobuzio-Donahue C, Wolfgang C, Kunstman J, Salem R, Farrell J, Ahuja N. Utility of promoter hypermethylation in malignant risk stratification of intraductal papillary mucinous neoplasms. Clinical Epigenetics 2023, 15: 28. PMID: 36803844, PMCID: PMC9942382, DOI: 10.1186/s13148-023-01429-5.Peer-Reviewed Original ResearchConceptsPapillary mucinous neoplasmMalignant risk stratificationCACNA1G geneRisk stratificationMucinous neoplasmsBiomarker panelBackgroundIntraductal papillary mucinous neoplasmIntraductal papillary mucinous neoplasmEarly detectionPrevious case-control studyHigh-grade dysplasiaCase-control studyPancreatic cancer precursorsReceiver Operating Characteristic (ROC) curve analysisSignificant diagnostic challengeCross-sectional imagingCharacteristic curve analysisOperating Characteristic curve analysisG geneHigh diagnostic specificityPrior validation studiesSignificant procedural riskIPMN tissuesSurgical resectionAdvanced neoplasia
2019
Operative Mortality Prediction for Primary Rectal Cancer: Age Matters
Li Z, Coleman J, D'Adamo CR, Wolf J, Katlic M, Ahuja N, Blumberg D, Ahuja V. Operative Mortality Prediction for Primary Rectal Cancer: Age Matters. Journal Of The American College Of Surgeons 2019, 228: 627-633. PMID: 30630082, DOI: 10.1016/j.jamcollsurg.2018.12.014.Peer-Reviewed Original ResearchConceptsPrimary rectal cancerRectal cancerLogistic regression modelsActual mortalityOlder patientsRisk calculatorAmerican CollegeCovariate-adjusted logistic regression modelsCurrent risk calculatorsICD-9/10 codesColorectal cancer increasesSurgeons NSQIP databaseYears age groupAge categoriesMortality risk estimatesOperative mortalityNSQIP databaseRegression modelsPrognostic valueFunctional statusCancer increasesCare discussionsMortality predictionCPT codesAge groups
2017
The independent effect of cancer on outcomes: a potential limitation of surgical risk prediction
Leeds IL, Canner JK, Efron JE, Ahuja N, Haut ER, Wick EC, Johnston FM. The independent effect of cancer on outcomes: a potential limitation of surgical risk prediction. Journal Of Surgical Research 2017, 220: 402-409.e6. PMID: 28923559, PMCID: PMC5712450, DOI: 10.1016/j.jss.2017.08.039.Peer-Reviewed Original ResearchConceptsCancer patientsDiagnosis of cancerBenign diseaseCancer populationNational Surgical Quality Improvement Program 2005Chronic obstructive pulmonary diseaseSurgical risk modelsSurgical risk predictionObstructive pulmonary diseaseWorse surgical outcomesMalignant gastrointestinal diseasesOdds of deathHigh complication rateMultivariable logistic regressionParticipant Use FileRisk of deathPrimary procedure codeHigh mortality rateComplication rateSurgical complicationsIndependent predictorsMultiple complicationsPulmonary diseaseElective surgeryNoncancer patients
2015
Intraductal papillary mucinous neoplasm (IPMN) with high-grade dysplasia is a risk factor for the subsequent development of pancreatic ductal adenocarcinoma
Rezaee N, Barbon C, Zaki A, He J, Salman B, Hruban RH, Cameron JL, Herman JM, Ahuja N, Lennon AM, Weiss MJ, Wood LD, Wolfgang CL. Intraductal papillary mucinous neoplasm (IPMN) with high-grade dysplasia is a risk factor for the subsequent development of pancreatic ductal adenocarcinoma. Hepato Pancreato Biliary 2015, 18: 236-246. PMID: 27017163, PMCID: PMC4814593, DOI: 10.1016/j.hpb.2015.10.010.Peer-Reviewed Original ResearchMeSH KeywordsAgedCarcinoma, Pancreatic DuctalDatabases, FactualDisease-Free SurvivalFemaleHumansKaplan-Meier EstimateLymphatic MetastasisMaleMiddle AgedNeoplasm GradingNeoplasm InvasivenessNeoplasms, Cystic, Mucinous, and SerousNeoplasms, Second PrimaryPancreatectomyPancreatic NeoplasmsProportional Hazards ModelsRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeConceptsIntraductal papillary mucinous neoplasmHigh-grade dysplasiaPancreatic ductal adenocarcinomaNon-invasive intraductal papillary mucinous neoplasmsIntermediate-grade dysplasiaPapillary mucinous neoplasmRemnant pancreasVascular invasionMucinous neoplasmsDuctal adenocarcinomaInvasive pancreatic ductal adenocarcinomaMedian overall survivalLymph node metastasisRate of progressionSubsequent developmentIntermediate dysplasiaPancreatic resectionOverall survivalNode metastasisPerineural invasionMalignant entitiesRisk factorsPatientsDysplasiaPancreas
2013
Is It Necessary to Follow Patients after Resection of a Benign Pancreatic Intraductal Papillary Mucinous Neoplasm?
He J, Cameron JL, Ahuja N, Makary MA, Hirose K, Choti MA, Schulick RD, Hruban RH, Pawlik TM, Wolfgang CL. Is It Necessary to Follow Patients after Resection of a Benign Pancreatic Intraductal Papillary Mucinous Neoplasm? Journal Of The American College Of Surgeons 2013, 216: 657-665. PMID: 23395158, PMCID: PMC3963007, DOI: 10.1016/j.jamcollsurg.2012.12.026.Peer-Reviewed Original ResearchConceptsIntraductal papillary mucinous neoplasmNoninvasive intraductal papillary mucinous neoplasmsPapillary mucinous neoplasmPancreatic cancerFamily historyMucinous neoplasmsNegative marginsInitial operationPancreatic intraductal papillary mucinous neoplasmsPartial pancreatic resectionMetastatic pancreatic adenocarcinomaInvasive pancreatic cancerRisk of developmentDegree of dysplasiaInitial surgeryMargin statusPancreatic resectionClose surveillanceInvasive adenocarcinomaPancreatic adenocarcinomaResectionPatientsCancerSurgeryAdenocarcinoma
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