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 disorder
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 cellsIncreased awareness enhances physician recognition of the role of smoking in chronic pancreatitis
Muniraj T, Yadav D, Abberbock J, Alkaade S, Amann S, Anderson M, Banks P, Brand R, Conwell D, Cote G, Forsmark C, Gardner T, Gelrud A, Guda N, Lewis M, Romagnuolo J, Sandhu B, Sherman S, Singh V, Slivka A, Tang G, Whitcomb D, Wilcox C. Increased awareness enhances physician recognition of the role of smoking in chronic pancreatitis. Herald Of Pancreatic Club 2020, 48: 23-31. DOI: 10.33149/vkp.2020.03.04.Peer-Reviewed Original ResearchCP risk factorsPack/dayRisk factorsPhysician recognitionSmoking statusAS studiesIdentification of smokingPancreatitis risk factorsRole of smokingRisk of CPPhysician questionnairesStructured patientAlcohol etiologyCP patientsPast smokersChronic pancreatitisMultivariable analysisSmoking ratesUS CentersSmokingEmpiric dataPatientsPhysiciansWide-spread disseminationEtiologyConstant-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
Increased awareness enhances physician recognition of the role of smoking in chronic pancreatitis
Muniraj T, Yadav D, Abberbock JN, Alkaade S, Amann ST, Anderson MA, Banks PA, Brand RE, Conwell D, Cote GA, Forsmark CE, Gardner TB, Gelrud A, Guda N, Lewis MD, Romagnuolo J, Sandhu BS, Sherman S, Singh VK, Slivka A, Tang G, Whitcomb DC, Wilcox CM. Increased awareness enhances physician recognition of the role of smoking in chronic pancreatitis. Pancreatology 2019, 19: 500-506. PMID: 30910452, PMCID: PMC6619496, DOI: 10.1016/j.pan.2019.02.009.Peer-Reviewed Original ResearchConceptsCP risk factorsPack/dayRisk factorsPhysician recognitionSmoking statusAS studiesIdentification of smokingPancreatitis risk factorsRole of smokingRisk of CPPhysician questionnairesStructured patientAlcohol etiologyCP patientsPast smokersChronic pancreatitisMultivariable analysisSmoking ratesUS CentersSmokingEmpiric dataPatientsPhysiciansWide-spread disseminationEtiology
2018
Nutrition and Inflammatory Biomarkers in Chronic Pancreatitis Patients
Greer JB, Greer P, Sandhu BS, Alkaade S, Wilcox CM, Anderson MA, Sherman S, Gardner TB, Lewis MD, Guda NM, Muniraj T, Conwell D, Cote GA, Forsmark CE, Banks PA, Tang G, Stello K, Gelrud A, Brand RE, Slivka A, Whitcomb DC, Yadav D. Nutrition and Inflammatory Biomarkers in Chronic Pancreatitis Patients. Nutrition In Clinical Practice 2018, 34: 387-399. PMID: 30101991, PMCID: PMC6642676, DOI: 10.1002/ncp.10186.Peer-Reviewed Original ResearchConceptsC-reactive proteinCP patientsChronic pancreatitis patientsSerum prealbuminVitamin APancreatitis patientsVitamin supplementsHigher C-reactive proteinPancreatic enzyme replacement therapyInflammatory marker levelsPancreatic enzyme replacementSubset of patientsBody mass indexHigher serum levelsBone metabolism biomarkersTumor necrosis factorEnzyme replacement therapyLow levelsComorbid diabetesInflammatory biomarkersDiabetes mellitusSerum levelsMass indexPrimary etiologyReplacement therapy
2017
Patient and Disease Characteristics Associated With the Presence of Diabetes Mellitus in Adults With Chronic Pancreatitis in the United States
Bellin MD, Whitcomb DC, Abberbock J, Sherman S, Sandhu BS, Gardner TB, Anderson MA, Lewis MD, Alkaade S, Singh VK, Baillie J, Banks PA, Conwell D, Cote GA, Guda NM, Muniraj T, Tang G, Brand RE, Gelrud A, Amann ST, Forsmark CE, Wilcox CM, Slivka A, Yadav D. Patient and Disease Characteristics Associated With the Presence of Diabetes Mellitus in Adults With Chronic Pancreatitis in the United States. The American Journal Of Gastroenterology 2017, 112: 1457. PMID: 28741615, PMCID: PMC6168293, DOI: 10.1038/ajg.2017.181.Peer-Reviewed Original ResearchConceptsDiabetes mellitusChronic pancreatitisRisk factorsPancreas surgeryFamily historyType 2 diabetes mellitusMultivariate logistic regression modelingDM risk factorsLarge multicenter cohortStrong risk factorCross-sectional assessmentLogistic regression modelingCommon complicationCP patientsPatient demographicsMulticenter cohortExocrine insufficiencyPancreatic calcificationSingle centerDisease characteristicsDM diagnosisMultivariable modelSingle etiologyHigher oddsPatientsValidation 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 studyQuality of Life in Chronic Pancreatitis is Determined by Constant Pain, Disability/Unemployment, Current Smoking, and Associated Co-Morbidities
Machicado JD, Amann ST, Anderson MA, Abberbock J, Sherman S, Conwell DL, Cote GA, Singh VK, Lewis MD, Alkaade S, Sandhu BS, Guda NM, Muniraj T, Tang G, Baillie J, Brand RE, Gardner TB, Gelrud A, Forsmark CE, Banks PA, Slivka A, Wilcox CM, Whitcomb DC, Yadav D. Quality of Life in Chronic Pancreatitis is Determined by Constant Pain, Disability/Unemployment, Current Smoking, and Associated Co-Morbidities. The American Journal Of Gastroenterology 2017, 112: 633. PMID: 28244497, PMCID: PMC5828017, DOI: 10.1038/ajg.2017.42.Peer-Reviewed Original ResearchConceptsQuality of lifeMild-moderate painCurrent smokingChronic pancreatitisMCS scoresConstant painCP patientsSevere painShort Form-12 (SF-12) surveyMental component summary scoresConstant severe painComponent summary scoresMultivariable linear regression modelsAssociated co morbiditiesIndependent effectsFinal multivariable modelNAPS2 studySignificant independent effectDisease durationCo morbiditiesMean PCSIndependent predictorsMultivariable analysisPancreatic surgeryPCS scores