Browsing by Author "Gaddam, Srinivas"

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    A Prospective Multicenter Study Evaluating Learning Curves and Competence in Endoscopic Ultrasound and Endoscopic Retrograde Cholangiopancreatography Among Advanced Endoscopy Trainees: The Rapid Assessment of Trainee Endoscopy Skills (RATES) Study
    (Elsevier, 2017) Wani, Sachin; Keswani, Rajesh; Hall, Matt; Han, Samuel; Ali, Meer Akbar; Brauer, Brian; Carlin, Linda; Chak, Amitabh; Collins, Dan; Cote, Gregory A.; Diehl, David L.; DiMaio, Christopher J.; Dries, Andrew; El-Hajj, Ihab; Ellert, Swan; Fairley, Kimberley; Faulx, Ashley; Fujii-Lau, Larissa; Gaddam, Srinivas; Gan, Seng-Ian; Gaspar, Jonathan P.; Gautamy, Chitiki; Gordon, Stuart; Harris, Cynthia; Hyder, Sarah; Jones, Ross; Kim, Stephen; Komanduri, Srinadh; Law, Ryan; Lee, Linda; Mounzer, Rawad; Mullady, Daniel; Muthusamy, V. Raman; Olyaee, Mojtaba; Pfau, Patrick; Saligram, Shreyas; Piraka, Cyrus; Rastogi, Amit; Rosenkranz, Laura; Rzouq, Fadi; Saxena, Aditi; Shah, Raj J.; Simon, Violette C.; Small, Aaron; Sreenarasimhaiah, Jayaprakash; Walker, Andrew; Wang, Andrew Y.; Watson, Rabindra R.; Wilson, Robert H.; Yachimski, Patrick; Yang, Dennis; Edmundowicz, Steven; Early, Dayna S.; Department of Medicine, IU School of Medicine
    Background and aims Based on the Next Accreditation System, trainee assessment should occur on a continuous basis with individualized feedback. We aimed to validate endoscopic ultrasound (EUS) and endoscopic retrograde cholangiopancreatography (ERCP) learning curves among advanced endoscopy trainees (AETs) using a large national sample of training programs and to develop a centralized database that allows assessment of performance in relation to peers. Methods ASGE recognized training programs were invited to participate and AETs were graded on ERCP and EUS exams using a validated competency assessment tool that assesses technical and cognitive competence in a continuous fashion. Grading for each skill was done using a 4-point scoring system and a comprehensive data collection and reporting system was built to create learning curves using cumulative sum analysis. Individual results and benchmarking to peers were shared with AETs and trainers quarterly. Results Of the 62 programs invited, 20 programs and 22 AETs participated in this study. At the end of training, median number of EUS and ERCP performed/AET was 300 (range 155-650) and 350 (125-500). Overall, 3786 exams were graded (EUS:1137; ERCP–biliary 2280, pancreatic 369). Learning curves for individual endpoints, and overall technical/cognitive aspects in EUS and ERCP demonstrated substantial variability and were successfully shared with all programs. The majority of trainees achieved overall technical (EUS: 82%; ERCP: 60%) and cognitive (EUS: 76%; ERCP: 100%) competence at conclusion of training. Conclusions These results demonstrate the feasibility of establishing a centralized database to report individualized learning curves and confirm the substantial variability in time to achieve competence among AETs in EUS and ERCP.
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    Transpapillary drainage has no added benefit on treatment outcomes in patients undergoing EUS-guided transmural drainage of pancreatic pseudocysts: a large multicenter study
    (Elsevier, 2016-04) Yang, Dennis; Amin, Sunil; Gonzalez, Susana; Mullady, Daniel; Hasak, Stephen; Gaddam, Srinivas; Edmundowicz, Steven A.; Gromski, Mark A.; DeWitt, John M.; El Zein, Mohamad; Khashab, Mouen A.; Wang, Andrew Y.; Gaspar, Jonathan P.; Uppal, Dushant S.; Nagula, Satish; Kapadia, Samir; Buscaglia, Jonathan M.; Bucobo, Juan Carlos; Schlachterman, Alex; Wagh, Mihir S.; Draganov, Peter V.; Jung, Min Kyu; Stevens, Tyler; Vargo, John J.; Khara, Harshit S.; Huseini, Mustafa; Diehl, David L.; Keswani, Rajesh N.; Law, Ryan; Komanduri, Srinadh; Yachimski, Patrick S.; DaVee, Tomas; Prabhu, Anoop; Lapp, Robert T.; Kwon, Richard S.; Watson, Rabindra R.; Goodman, Adam J.; Chhabra, Natasha; Wang, Wallace J.; Benias, Petros; Carr-Locke, David L.; DiMaio, Christopher J.; Department of Medicine, IU School of Medicine
    Background and Aims The need for transpapillary drainage (TPD) in patients undergoing transmural drainage (TMD) of pancreatic fluid collections (PFCs) remains unclear. The aims of this study were to compare treatment outcomes between patients with pancreatic pseudocysts undergoing TMD versus combined (TMD and TPD) drainage (CD) and to identify predictors of symptomatic and radiologic resolution. Methods This is a retrospective review of 375 consecutive patients with PFCs who underwent EUS-guided TMD from 2008 to 2014 at 15 academic centers in the United States. Main outcome measures included TMD and CD technical success, treatment outcomes (symptomatic and radiologic resolution) at follow-up, and predictors of treatment outcomes on logistic regression. Results A total of 375 patients underwent EUS-guided TMD of PFCs, of which 174 were pseudocysts. TMD alone was performed in 95 (55%) and CD in 79 (45%) pseudocysts. Technical success was as follows: TMD, 92 (97%) versus CD, 35 (44%) (P = .0001). There was no difference in adverse events between the TMD (15%) and CD (14%) cohorts (P = .23). Median long-term (LT) follow-up after transmural stent removal was 324 days (interquartile range, 72-493 days) for TMD and 201 days (interquartile range, 150-493 days) (P = .37). There was no difference in LT symptomatic resolution (TMD, 69% vs CD, 62%; P = .61) or LT radiologic resolution (TMD, 71% vs CD, 67%; P = .79). TPD attempt was negatively associated with LT radiologic resolution of pseudocyst (odds ratio, 0.11; 95% confidence interval, 0.02-0.8; P = .03). Conclusions TPD has no benefit on treatment outcomes in patients undergoing EUS-guided TMD of pancreatic pseudocysts and negatively affects LT resolution of PFCs.