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Stuart Amateau

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https://www.readbyqxmd.com/read/29329474/immediate-retrieval-of-a-maldeployed-lumen-apposing-metal-stent-from-a-walled-off-cavity
#1
Nabeel Azeem, Martin L Freeman, Stuart K Amateau
No abstract text is available yet for this article.
January 12, 2018: Endoscopy
https://www.readbyqxmd.com/read/29320750/the-many-faces-of-intestinal-tract-gastric-heterotopia-a-series-of-four-cases-highlighting-clinical-and-pathological-heterogeneity
#2
Aqsa Nasir, Stuart K Amateau, Sabina Khan, Ross W Simpson, Dale C Snover, Khalid Amin
Gastric heterotopia of the intestinal tract can have a diverse clinicopathologic presentation, resulting in a diagnostic dilemma. We present a series of four cases, two male and two female patients with age range of 31-82 year, found in the duodenum, jejunum, and transverse colon. The most common and rather unusual clinical presentation was iron deficiency anemia, seen in three cases, while one patient presented with abdominal pain. Endoscopically two cases were visualized as pedunculated polyps and two as sessile/plaques like lesions...
January 7, 2018: Human Pathology
https://www.readbyqxmd.com/read/28992638/percutaneous-cecostomy-with-fully-covered-self-expandable-metal-stent-for-initial-management-of-severe-malignant-colon-obstruction
#3
Chin Hong Lim, Nicholas M McDonald, Martin L Freeman, Stuart K Amateau
No abstract text is available yet for this article.
October 9, 2017: Endoscopy
https://www.readbyqxmd.com/read/28858292/endoscopic-drainage-of-50-of-liver-in-malignant-hilar-biliary-obstruction-using-metallic-or-fenestrated-plastic-stents
#4
Tossapol Kerdsirichairat, Mustafa A Arain, Rajeev Attam, Brooke Glessing, Yan Bakman, Stuart K Amateau, Martin L Freeman
OBJECTIVES: Endoscopic drainage of complex hilar tumors has generally resulted in poor outcomes. Drainage of >50% of liver volume has been proposed as optimal, but not evaluated using long multifenestrated plastic stents (MFPS) or self-expanding metal stents (SEMS). We evaluated outcomes of endoscopic drainage of malignant hilar strictures using optimal strategy and stents, and determined factors associated with stent patency, survival, and complications. METHODS: Cross-sectional study was conducted at an academic center over 5 years...
August 31, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28488091/outcomes-of-endoscopic-retrograde-cholangiopancreatography-ercp-and-sphincterotomy-for-suspected-sphincter-of-oddi-dysfunction-sod-post-roux-en-y-gastric-bypass
#5
Chin Hong Lim, Cyrus Jahansouz, Martin L Freeman, Daniel B Leslie, Sayeed Ikramuddin, Stuart K Amateau
BACKGROUND: Sphincter of Oddi dysfunction (SOD) is thought to be a cause of chronic abdominal pain post Roux-en-Y gastric bypass, and current practice of performing endoscopic retrograde cholangiopancreatography (ERCP) with or without sphincterotomy is not supported by evidence. In addition to the complexity and risks of the procedure in patients with Roux-en-Y anatomy, the outcomes are uncertain and debatable. We performed a retrospective review and analysis of post-gastric bypass patients who had undergone ERCP with sphincterotomy to determine the effectiveness in patients with suspected SOD...
October 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28025154/increasing-number-of-passes-beyond-4-does-not-increase-sensitivity-of-detection-of-pancreatic-malignancy-by-endoscopic-ultrasound-guided-fine-needle-aspiration
#6
Mehdi Mohamadnejad, Daniel Mullady, Dayna S Early, Brian Collins, Carrie Marshall, Sharon Sams, Roy Yen, Mona Rizeq, Maria Romanas, Samia Nawaz, Ozlem Ulusarac, Thomas Hollander, Robert H Wilson, Violette C Simon, Vladimir Kushnir, Stuart K Amateau, Brian C Brauer, Srinivas Gaddam, Riad R Azar, Srinadh Komanduri, Raj Shah, Ananya Das, Steven Edmundowicz, V Raman Muthusamy, Amit Rastogi, Sachin Wani
BACKGROUND & AIMS: It is not clear exactly how many passes are required to determine whether pancreatic masses are malignant using endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA). We aimed to define the per-pass diagnostic yield of EUS-FNA for establishing the malignancy of a pancreatic mass, and identify factors associated with detection of malignancies. METHODS: In a prospective study, 239 patients with solid pancreatic masses were randomly assigned to groups that underwent EUS-FNA, with the number of passes determined by an on-site cytopathology evaluation or set at 7 passes, at 3 tertiary referral centers...
December 23, 2016: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27866300/endoscopic-management-of-biliary-leaks-and-strictures-after-living-donor-liver-transplantation-optimizing-techniques-for-successful-management
#7
Saleh Elwir, Julie Thompson, Stuart K Amateau, Guru Trikudanathan, Rajeev Attam, Mohamed Hassan, Raja Kandaswamy, Timothy Pruett, John Lake, Srinath Chinnakotla, Martin L Freeman, Mustafa A Arain
BACKGROUND AND AIMS: Biliary complications (BCs) occur in up to 40% of living donor liver transplant (LDLT) recipients. The aim of this study was to evaluate the efficacy of endoscopic therapy in the management of LDLT-related BCs. METHODS: A retrospective study of 100 LDLT recipients at a single transplant center over a 9-year period was conducted. BC was defined as a biliary leak and/or a stricture. Patient records were used to identify time to diagnosis, type of intervention, and time to resolution...
January 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27836330/evaluation-of-rosemont-criteria-for-non-calcific-chronic-pancreatitis-nccp-based-on-histopathology-a-retrospective-study
#8
Guru Trikudanathan, Satish Munigala, Usman Barlass, Ahmad Malli, Yusheng Han, Miroslav Sekulic, Melena Bellin, Srinath Chinnakotla, Ty Dunn, Timothy Pruett, Gregory Beilman, Jose-Vega Peralta, Mustafa Arain, Stuart Amateau, Shawn Mallery, Martin L Freeman, Rajeev Attam
BACKGROUND: Rosemont classification for chronic pancreatitis has not been evaluated specifically in non-calcific chronic pancreatitis (NCCP) patients and to this date, it has not been correlated with the gold standard namely histopathology. OBJECTIVE: To assess the correlation of EUS Rosemont criteria for NCCP with histopathology from surgical specimens and evaluate the impact of age, sex, BMI, smoking and alcohol on Rosemont classification. METHODS: Adult patients undergoing TPIAT for NCCP between July 2009 and January 2013 were identified from our institutional database...
January 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/27694871/palliative-decompression-of-a-symptomatic-mucinous-adenocarcinoma-of-the-pancreas
#9
Nicholas M McDonald, Mustafa A Arain, James S Mallery, Martin L Freeman, Stuart K Amateau
No abstract text is available yet for this article.
October 2016: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/27694865/treatment-of-diffuse-esophageal-squamous-papillomatosis-with-cryotherapy
#10
Nicholas M McDonald, Stuart K Amateau
No abstract text is available yet for this article.
October 2016: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/27573512/endoscopic-management-of-vertical-banded-gastroplasty-stricture-feasibility-safety-and-efficacy
#11
Chin Hong Lim, Stuart K Amateau, Sayeed Ikramuddin, Daniel B Leslie
BACKGROUND: Although vertical banded gastroplasty (VBG) is no longer performed in the USA, due to its popularity in 1980s, many patients still possess this anatomy with its inherent complications. The stomal stenosis secondary to tight ring or mesh is traditionally treated with surgical removal of the silastic ring or a complex revision, which was hampered by complications, technical complexity, and invasiveness. We described our experience of endoscopic management of this complex problem and the early outcomes...
November 2016: Obesity Surgery
https://www.readbyqxmd.com/read/27556103/interobserver-agreement-among-cytopathologists-in-the-evaluation-of-pancreatic-endoscopic-ultrasound-guided-fine-needle-aspiration-cytology-specimens
#12
Rawad Mounzer, Roy Yen, Carrie Marshall, Sharon Sams, Sanjana Mehrotra, Mohamed Sherif Said, Joshua C Obuch, Brian Brauer, Augustin Attwell, Norio Fukami, Raj Shah, Stuart Amateau, Matthew Hall, Lindsay Hosford, Robert Wilson, Amit Rastogi, Sachin Wani
BACKGROUND AND AIMS: Endoscopic ultrasound with fine needle aspiration (EUS-FNA) has become the standard of care in the evaluation of solid pancreatic lesions. Limited data exist on interobserver agreement (IOA) among cytopathologists in assessing solid pancreatic EUS-FNA specimens. This study aimed to evaluate IOA among cytopathologists in assessing EUS-FNA cytology specimens of solid pancreatic lesions using a novel standardized scoring system and to assess individual clinical and cytologic predictors of IOA...
July 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27327848/videoconferencing-for-multidisciplinary-evaluation-in-single-session-cholecystectomy-and-ercp
#13
Nicholas M McDonald, Kaysie L Banton, Sayeed Ikramuddin, Martin L Freeman, Stuart K Amateau
No abstract text is available yet for this article.
December 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27032882/dual-device-cannulation-of-an-intradiverticular-minor-papilla
#14
Stuart K Amateau, Martin L Freeman
No abstract text is available yet for this article.
September 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27008565/novel-endoscopic-management-of-a-pancreatico-biliary-limb-obstruction-by-the-creation-of-an-entero-enterostomy-following-roux-en-y-gastric-bypass
#15
Chin Hong Lim, Sayeed Ikramuddin, Daniel B Leslie, Mustafa A Arain, Stuart K Amateau
No abstract text is available yet for this article.
2016: Endoscopy
https://www.readbyqxmd.com/read/27000426/successful-endoscopic-ultrasound-guided-alcohol-ablation-of-sporadic-insulinoma-using-three-dimensional-targeting-with-video
#16
Guru Trikudanathan, Shawn J Mallery, Stuart K Amateau
Surgical resection is considered the standard of care in the management of symptomatic insulinoma. In this video, we describe the successful management of a symptomatic insulinoma by using linear array endoscopic ultrasound (EUS)-guided ethanol ablation in a poor surgical candidate. EUS-guided ethanol ablation of insulinoma offers a safer, effective, and less invasive alternative to surgery.
July 2016: Clinical Endoscopy
https://www.readbyqxmd.com/read/26989038/endoscopic-guided-transgastric-stapled-stricturoplasty
#17
Chin Hong Lim, Stuart K Amateau, Arain Mustafa, Sayeed Ikramuddin, Daniel B Leslie
No abstract text is available yet for this article.
August 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/26975235/single-session-laparoscopic-cholecystectomy-and-ercp-a-valid-option-for-the-management-of-choledocholithiasis
#18
Reema Mallick, Kevin Rank, Carrie Ronstrom, Stuart K Amateau, Mustafa Arain, Rajeev Attam, Martin L Freeman, James V Harmon
BACKGROUND AND AIMS: The option for performing ERCP and laparoscopic cholecystectomy (LC) for the management of choledocholithiasis in the same operative session is often overlooked. We compared the success, safety, and cost of ERCP and LC when performed in either a single session or in separate sessions. METHODS: We conducted a retrospective cohort study at a U.S. tertiary care hospital. We identified patients undergoing ERCP and LC between April 2011 and August 2014 in either a single operative session (n = 33) or in 2 separate sessions within a 30-day period (n = 80)...
October 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/26952577/diagnostic-performance-of-endoscopic-ultrasound-eus-for-non-calcific-chronic-pancreatitis-nccp-based-on-histopathology
#19
Guru Trikudanathan, Jose Vega-Peralta, Ahmad Malli, Satish Munigala, Yusheng Han, Melena Bellin, Usman Barlass, Srinath Chinnakotla, Ty Dunn, Timothy Pruett, Gregory Beilman, Mustafa Arain, Stuart K Amateau, Shawn Mallery, Martin L Freeman, Rajeev Attam
OBJECTIVES: Studies correlating endoscopic ultrasound (EUS) with histopathology for chronic pancreatitis (CP) are limited by small sample size, and/or inclusion of many patients without CP, limiting applicability to patients with painful CP. The aim of this study was to assess correlation of standard EUS features for CP with surgical histopathology in a large cohort of patients with non-calcific CP (NCCP). METHODS: Adult patients undergoing total pancreatectomy and islet autotransplantation (TPIAT) for NCCP, between 2008 and 2013, with EUS <1 year before surgery...
April 2016: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/26515957/variation-in-learning-curves-and-competence-for-ercp-among-advanced-endoscopy-trainees-by-using-cumulative-sum-analysis
#20
MULTICENTER STUDY
Sachin Wani, Matthew Hall, Andrew Y Wang, Christopher J DiMaio, V Raman Muthusamy, Rajesh N Keswani, Brian C Brauer, Jeffrey J Easler, Roy D Yen, Ihab El Hajj, Norio Fukami, Kourosh F Ghassemi, Susana Gonzalez, Lindsay Hosford, Thomas G Hollander, Robert Wilson, Vladimir M Kushnir, Jawad Ahmad, Faris Murad, Anoop Prabhu, Rabindra R Watson, Daniel S Strand, Stuart K Amateau, Augustin Attwell, Raj J Shah, Dayna Early, Steven A Edmundowicz, Daniel Mullady
BACKGROUND AND AIMS: There are limited data on learning curves and competence in ERCP. By using a standardized data collection tool, we aimed to prospectively define learning curves and measure competence among advanced endoscopy trainees (AETs) by using cumulative sum (CUSUM) analysis. METHODS: AETs were evaluated by attending endoscopists starting with the 26th hands-on ERCP examination and then every ERCP examination during the 12-month training period. A standardized ERCP competency assessment tool (using a 4-point scoring system) was used to grade the examination...
April 2016: Gastrointestinal Endoscopy
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