2021
Pain Experience in Pancreatitis: Strong Association of Genetic Risk Loci for Anxiety and PTSD in Patients With Severe, Constant, and Constant-Severe Pain
Dunbar EK, Greer PJ, Amann ST, Alkaade S, Banks P, Brand R, Conwell DL, Forsmark CE, Gardner TB, Guda NM, Lewis MD, Machicado JD, Muniraj T, Papachristou GI, Romagnuolo J, Sandhu BS, Sherman S, Slivka A, Wilcox CM, Yadav D, Whitcomb DC, Consortium F. Pain Experience in Pancreatitis: Strong Association of Genetic Risk Loci for Anxiety and PTSD in Patients With Severe, Constant, and Constant-Severe Pain. The American Journal Of Gastroenterology 2021, 116: 2128-2136. PMID: 34236339, PMCID: PMC8531869, DOI: 10.14309/ajg.0000000000001366.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderChronic pancreatitisSevere painPain experienceThird of patientsPain management strategiesIdentification of patientsAbsence of painInflammatory syndromePain patternsCP patientsPain categoriesPain locusStudy cohortAcute pancreatitisAdrenal axisCP subjectsPainGenetic predispositionPatientsPsychiatric conditionsGenetic risk lociPTSD riskPancreatitisStress disorderHealthcare Disparities in the Management of Acute Cholecystitis: Impact of Race, Gender, and Socioeconomic Factors on Cholecystectomy vs Percutaneous Cholecystostomy
McCarty TR, Chouairi F, Hathorn KE, Sharma P, Muniraj T, Thompson CC. Healthcare Disparities in the Management of Acute Cholecystitis: Impact of Race, Gender, and Socioeconomic Factors on Cholecystectomy vs Percutaneous Cholecystostomy. Journal Of Gastrointestinal Surgery 2021, 25: 880-886. PMID: 33629232, DOI: 10.1007/s11605-021-04959-6.Peer-Reviewed Original ResearchConceptsLength of stayCharlson Comorbidity IndexPercutaneous cholecystostomyAcute cholecystitisRace/ethnicityU.S. Nationwide Inpatient Sample (NIS) databaseNationwide Inpatient Sample databaseAsian race/ethnicityHealthcare-related factorsHigher CCI scoresMedicare payer statusGood surgical candidatesMajority of patientsMultivariable logistic regressionUrban hospital locationUrban teaching hospitalSocioeconomic factorsCCI scoreComorbidity indexSurgical candidatesPayer statusMale genderHospital costsTeaching hospitalTreatment strategiesEvaluation of socioeconomic and healthcare disparities on same admission cholecystectomy after endoscopic retrograde cholangiopancreatography among patients with acute gallstone pancreatitis
Chouairi F, McCarty TR, Hathorn KE, Sharma P, Aslanian HR, Jamidar PA, Thompson CC, Muniraj T. Evaluation of socioeconomic and healthcare disparities on same admission cholecystectomy after endoscopic retrograde cholangiopancreatography among patients with acute gallstone pancreatitis. Surgical Endoscopy 2021, 36: 274-281. PMID: 33481109, DOI: 10.1007/s00464-020-08272-2.Peer-Reviewed Original ResearchConceptsSame-admission cholecystectomyAcute gallstone pancreatitisEndoscopic retrograde cholangiopancreatographyCharlson Comorbidity IndexGallstone pancreatitisRetrograde cholangiopancreatographyU.S. Nationwide Inpatient Sample (NIS) databaseHigher Charlson comorbidity indexNationwide Inpatient Sample databaseMedicare payer statusUrban-teaching hospitalsMajority of patientsMultivariable logistic regressionRace/ethnicitySocio-demographic factorsHospital mortalityComorbidity indexHospital stayPayer statusSurgical managementHospitalization costsResultsA totalBlack raceTreatment strategiesFemale gender
2020
Low serum trypsinogen levels in chronic pancreatitis: Correlation with parenchymal loss, exocrine pancreatic insufficiency, and diabetes but not CT-based cambridge severity scores for fibrosis
Zhan W, Akshintala V, Greer PJ, Greer JB, Alkaade S, Anderson MA, Muniraj T, Papachristou GI, Sandhu BS, Slivka A, Wilcox CM, Bellin MD, Singh VK, Yadav D, Brand RE, Whitcomb DC, Group F. Low serum trypsinogen levels in chronic pancreatitis: Correlation with parenchymal loss, exocrine pancreatic insufficiency, and diabetes but not CT-based cambridge severity scores for fibrosis. Pancreatology 2020, 20: 1368-1378. PMID: 32967795, DOI: 10.1016/j.pan.2020.08.025.Peer-Reviewed Original ResearchConceptsSerum trypsinogen levelsChronic pancreatitisTrypsinogen levelsAcinar cell functionCP patientsParenchymal lossCell functionComplex inflammatory disorderExocrine pancreatic insufficiencyCT-based criteriaNAPS2 studySerum trypsinogenAcinar cell lossSurgical resectionFinal cohortInflammatory cellsInflammatory disordersControl subjectsSeverity scoreClinical managementPancreatic insufficiencyStellate cellsNormal rangeCell lossIslet cellsConstant-severe pain in chronic pancreatitis is associated with genetic loci for major depression in the NAPS2 cohort
Dunbar E, Greer PJ, Melhem N, Alkaade S, Amann ST, Brand R, Coté GA, Forsmark CE, Gardner TB, Gelrud A, Guda NM, LaRusch J, Lewis MD, Machicado JD, Muniraj T, Papachristou GI, Romagnuolo J, Sandhu BS, Sherman S, Wilcox CM, Singh VK, Yadav D, Whitcomb DC. Constant-severe pain in chronic pancreatitis is associated with genetic loci for major depression in the NAPS2 cohort. Journal Of Gastroenterology 2020, 55: 1000-1009. PMID: 32681239, PMCID: PMC9124361, DOI: 10.1007/s00535-020-01703-w.Peer-Reviewed Original ResearchConceptsConstant severe painRecurrent acute pancreatitisChronic pancreatitisDepression-associated genesCP patientsPain severityAntidepressant usePancreatitis patientsPain experienceProspective randomized trialsAntidepressant medication usePattern of painCase report formsChronic opioidsIslet autotransplantationAntidepressant therapyTotal pancreatectomyMedication usePain managementRandomized trialsCounseling patientsRetrospective studyAcute pancreatitisClinical trialsMajor depression
2019
Genetic Risk Score in Diabetes Associated With Chronic Pancreatitis Versus Type 2 Diabetes Mellitus
Goodarzi MO, Nagpal T, Greer P, Cui J, Chen YI, Guo X, Pankow JS, Rotter JI, Alkaade S, Amann ST, Baillie J, Banks PA, Brand RE, Conwell DL, Cote GA, Forsmark CE, Gardner TB, Gelrud A, Guda N, LaRusch J, Lewis MD, Money ME, Muniraj T, Papachristou GI, Romagnuolo J, Sandhu BS, Sherman S, Singh VK, Wilcox CM, Pandol SJ, Park WG, Andersen DK, Bellin MD, Hart PA, Yadav D, Whitcomb DC. Genetic Risk Score in Diabetes Associated With Chronic Pancreatitis Versus Type 2 Diabetes Mellitus. Clinical And Translational Gastroenterology 2019, 10: e00057. PMID: 31232720, PMCID: PMC6708663, DOI: 10.14309/ctg.0000000000000057.Peer-Reviewed Original ResearchConceptsGenetic risk scoreDiabetes mellitusChronic pancreatitisCP-DMPancreatogenic diabetesRisk scoreNorth American Pancreatitis Study 2Type 2 diabetes mellitusLarge prospective studiesSingle nucleotide polymorphismsMulti-Ethnic StudyWeighted genetic risk scoreMean genetic risk scoreDiabetic groupNondiabetic controlsProspective studyNucleotide polymorphismsPathophysiologic entityFamily historyT2DMDiabetesType 2Separate disordersGold standardMellitusPostampullectomy syndrome: old mechanism, new location
Langberg K, Israel G, Kesar V, Muniraj T, Jamidar P. Postampullectomy syndrome: old mechanism, new location. Gastrointestinal Endoscopy 2019, 90: 314-315. PMID: 30995445, DOI: 10.1016/j.gie.2019.04.212.Peer-Reviewed Original Research
2017
Validation of Demographics, Etiology, and Risk Factors for Chronic Pancreatitis in the USA: A Report of the North American Pancreas Study (NAPS) Group
Conwell DL, Banks PA, Sandhu BS, Sherman S, Al-Kaade S, Gardner TB, Anderson MA, Wilcox CM, Lewis MD, Muniraj T, Forsmark CE, Cote GA, Guda NM, Tian Y, Romagnuolo J, Wisniewski SR, Brand R, Gelrud A, Slivka A, Whitcomb DC, Yadav D. Validation of Demographics, Etiology, and Risk Factors for Chronic Pancreatitis in the USA: A Report of the North American Pancreas Study (NAPS) Group. Digestive Diseases And Sciences 2017, 62: 2133-2140. PMID: 28600657, PMCID: PMC6040886, DOI: 10.1007/s10620-017-4621-z.Peer-Reviewed Original ResearchConceptsRisk factorsIdiopathic etiologyEpidemiologic trendsChronic pancreatitis patientsRecent epidemiologic trendsMultiple risk factorsCurrent epidemiologic trendsNAPS2 studyAlcohol etiologyCP patientsYounger patientsChronic pancreatitisCommon etiologyPancreatitis patientsMean ageConclusionOur dataUS CentersStudy groupEtiologyObjectivesOur aimPatientsGenetic etiologySmokingDemographic factorsValidation study
2016
Racial Differences in the Clinical Profile, Causes, and Outcome of Chronic Pancreatitis
Wilcox CM, Sandhu BS, Singh V, Gelrud A, Abberbock JN, Sherman S, Cote GA, Al-Kaade S, Anderson MA, Gardner TB, Lewis MD, Forsmark CE, Guda NM, Romagnuolo J, Baillie J, Amann ST, Muniraj T, Tang G, Conwell DL, Banks PA, Brand RE, Slivka A, Whitcomb D, Yadav D. Racial Differences in the Clinical Profile, Causes, and Outcome of Chronic Pancreatitis. The American Journal Of Gastroenterology 2016, 111: 1488. PMID: 27527745, PMCID: PMC6196097, DOI: 10.1038/ajg.2016.316.Peer-Reviewed Original ResearchMeSH KeywordsAbdominal PainAdultAgedAtrophyBlack or African AmericanCalcinosisCommon Bile Duct DiseasesConstriction, PathologicExocrine Pancreatic InsufficiencyFemaleHumansMaleMiddle AgedPain MeasurementPancreasPancreatic DiseasesPancreatic DuctsPancreatitis, AlcoholicPancreatitis, ChronicPrevalenceProspective StudiesRisk FactorsSex FactorsSmokingTime FactorsWhite PeopleYoung AdultConceptsChronic pancreatitisBlack patientsClinical profileDuration of CPNorth American Pancreatitis StudiesDuration of diseaseAlcoholic chronic pancreatitisProgression of pancreatitisRacial differencesPrior cholecystectomyPain characteristicsAlcohol etiologyCurrent smokersDisease durationSevere painEndoscopic treatmentWhite patientsRisk factorsPancreatic morphologyUS CentersEpidemiologic studiesPatientsAdvanced changesRetrospective dataDetailed questionnaireClinical Profile, Etiology, and Treatment of Chronic Pancreatitis in North American Women
Romagnuolo J, Talluri J, Kennard E, Sandhu BS, Sherman S, Cote GA, Al-Kaade S, Gardner TB, Gelrud A, Lewis MD, Forsmark CE, Guda NM, Conwell DL, Banks PA, Muniraj T, Wisniewski SR, Tian Y, Wilcox CM, Anderson MA, Brand RE, Slivka A, Whitcomb DC, Yadav D. Clinical Profile, Etiology, and Treatment of Chronic Pancreatitis in North American Women. Pancreas 2016, 45: 934-940. PMID: 26967451, PMCID: PMC4940220, DOI: 10.1097/mpa.0000000000000616.Peer-Reviewed Original ResearchConceptsChronic pancreatitisNonalcoholic etiologyMulticenter US cohortEndocrine insufficiencyAlcohol etiologyClinical profileMedical therapyNorth American womenUS cohortRisk factorsChronic diseasesMorphologic findingsAlcoholic malesPain experienceCP casesClinical phenotypeEtiologyDetailed questionnaireWomenDiseaseAmerican womenPancreatitisPatientsRecent dataDemographics
2014
Chronic Pancreatitis Pain Pattern and Severity Are Independent of Abdominal Imaging Findings
Wilcox CM, Yadav D, Ye T, Gardner TB, Gelrud A, Sandhu BS, Lewis MD, Al-Kaade S, Cote GA, Forsmark CE, Guda NM, Conwell DL, Banks PA, Muniraj T, Romagnuolo J, Brand RE, Slivka A, Sherman S, Wisniewski SR, Whitcomb DC, Anderson MA. Chronic Pancreatitis Pain Pattern and Severity Are Independent of Abdominal Imaging Findings. Clinical Gastroenterology And Hepatology 2014, 13: 552-560. PMID: 25424572, PMCID: PMC5019545, DOI: 10.1016/j.cgh.2014.10.015.Peer-Reviewed Original ResearchConceptsPain patternsChronic pancreatitisImaging findingsAbdominal painAbdominal imagingCross-sectional abdominal imagingAbdominal imaging featuresPancreatic ductal dilatationCommon imaging findingsSeverity of painAbdominal imaging findingsEvaluation of patientsPattern of painProspective multicenter studyAbdominal imaging techniquesEndoscopic retrograde cholangiopancreatographyCase report formsClinical research coordinatorsMild painDuctal dilatationPain severitySevere painPatient's painDuctal changesMulticenter study
2012
Hypertriglyceridemia Independent Propofol-Induced Pancreatitis
Muniraj T, Aslanian HR. Hypertriglyceridemia Independent Propofol-Induced Pancreatitis. JOP Journal Of The Pancreas 2012, 13: 451-453. PMID: 22797405, DOI: 10.6092/1590-8577/822.Peer-Reviewed Original Research