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Item External Validation of a Predictive Model for Acute Pancreatitis Risk in Patients With Severe Hypertriglyceridemia(AACE, 2019-08) Morkos, Michael; Amblee, Ambika; Henriquez, Andres; Basu, Sanjib; Fogelfeld, Leon; Medicine, School of MedicineObjective: We previously developed a predictive model to assess the risk of developing acute pancreatitis (AP) in patients with severe hypertriglyceridemia (HTG). In this study, we aimed to externally validate this model. Methods: The validation cohort included cross-sectional data between 2013 and 2017. Adult patients (≥18 years old) with triglyceride levels ≥1,000 mg/dL were identified. Based on our previous 4-factor predictive model (age, triglyceride [TG], excessive alcohol use, and gallstone disease), we estimated the probability of developing AP. Model performance was assessed using area under receiver operating characteristic curve (AUROC). Results: In comparison to the original cohort, patients in the validation cohort had more prevalent acute pancreatitis (16.2% versus 9.2%; P<.001) and gallstone disease (7.5% versus 2.1%; P<.001). Other characteristics were comparable and not statistically significant. The AUROCs were almost identical: 0.8337 versus 0.8336 in the validation and the original cohorts, respectively. In univariable analyses, the highest increase in odds of AP was associated with HTG, followed by gallstones, excessive alcohol use, and younger age. Conclusion: This study externally validates the 4-factor predictive model to estimate the risk of AP in adult patients with severe HTG (TG ≥1,000 mg/dL). Younger age was confirmed to place patients at high risk of AP. The clinical risk categories suggested in this study may be useful to guide treatment options.Item Novel Presentation of Pulmonary Atypical Carcinoid Tumor as Acute Pancreatitis(Cureus Inc, 2020-10) Bharat, Anchit; Duncan, Francesca; Williams, Mark; Medicine, School of MedicinePulmonary neuroendocrine tumors (NETs) are a group of rare tumors that pose a high financial burden on patients and the United States healthcare system. The usual presenting symptoms include cough or wheezing, hemoptysis, or chest pain. Due to bronchial obstruction, patients may also present with recurrent pneumonia. Acute pancreatitis has yet to be documented as the initial manifestation of this disease. Atypical carcinoids - a subtype of NETs - are heterogeneous regarding their site of origin, biological behavior, and malignant potential. Studies show that the most common primary tumor site varies by race, with the lung being the most common in white patients and the rectum being the most common in Asian/Pacific Islander, American Indian/Alaskan Native, and African American patients. Certain carcinoid tumors, such as those of the rectum, are over-represented among the Black and Asian populations within the United States, suggesting the role of genetics in the development of this intriguing disease. Furthermore, the pancreas is not a usual site of metastasis for primary lung NET. Our case study describes the rare occurrence of a primary pulmonary NET (atypical carcinoid) metastasizing to the pancreas and presenting as acute pancreatitis.Item SpHincterotomy for Acute Recurrent Pancreatitis Randomized Trial: Rationale, Methodology, and Potential Implications(Wolters Kluwer, 2019-09-01) Coté, Gregory A.; Durkalski-Mauldin, Valerie L.; Serrano, Jose; Klintworth, Erin; Williams, April W.; Cruz-Monserrate, Zobeida; Arain, Mustafa; Buxbaum, James L.; Conwell, Darwin L.; Fogel, Evan L.; Freeman, Martin L.; Gardner, Timothy B.; van Geenen, Erwin; Groce, J. Royce; Jonnalagadda, Sreenivasa S.; Keswani, Rajesh N.; Menon, Shyam; Moffatt, Dana C.; Papachristou, Georgios I.; Ross, Andrew; Tarnasky, Paul R.; Wang, Andrew Y.; Wilcox, C. Mel; Hamilton, Frank; Yadav, Dhiraj; Consortium for the SHARP; Medicine, School of MedicineObjectives: In patients with acute recurrent pancreatitis (ARP), pancreas divisum, and no other etiologic factors, endoscopic retrograde cholangiopancreatography (ERCP) with minor papilla endoscopic sphincterotomy (miES) is often performed to enlarge the minor papillary orifice, based on limited data. The aims of this study are to describe the rationale and methodology of a sham-controlled clinical trial designed to test the hypothesis that miES reduces the risk of acute pancreatitis. Methods: The SpHincterotomy for Acute Recurrent Pancreatitis (SHARP) trial is a multicenter, international, sham-controlled, randomized trial comparing endoscopic ultrasound + ERCP with miES vs. endoscopic ultrasound + sham for the management of ARP. A total of 234 consented patients having two or more discrete episodes of acute pancreatitis, pancreas divisum confirmed by magnetic resonance cholangiopancreatography, and no other clear etiology for acute pancreatitis will be randomized. Both cohorts will be followed for a minimum of 6 months and maximum of 48 months. Results: The trial is powered to detect a 33% risk reduction of acute pancreatitis frequency. Conclusions: The SHARP trial will determine whether ERCP with miES benefits patients with idiopathic ARP and pancreas divisum. Trial planning has informed the importance of blinded outcome assessors and long-term follow-up.