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Browsing by Author "Kushnir, Vladimir M."

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Browsing by Author "Kushnir, Vladimir M."

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  • Accuracy of Endoscopic Ultrasound (EUS) for Staging Ampullary Tumors 
    Azar, Riad R.; Wani, Sachin B.; Kushnir, Vladimir M.; John, Hornick; Hovis, Christine E.; Early, Dayna S.; Mullady, Daniel (2016-09-22)
    EUS is frequently used in the evaluation of ampullary tumors. With the advent of endoscopic ampullectomy that offers diagnostic and therapeutic potential for ampullary adenoma and early cancer, accurate staging is critical
  • Accuracy of Endoscopic Ultrasound (EUS) in T-Staging of Ampullary Tumors 
    Azar, Riad R.; Wani, Sachin B.; Kushnir, Vladimir M.; Gaddam, Srinivas; Madhoun, Mohammad; Rastogi, Amit; Early, Dayna S.; Mullady, Daniel (2016-09-19)
    EUS is routinely used for confirming the diagnosis and staging ampullary tumors. EUS staging helps to identify patients optimal candidates for endoscopic ampullectomy and avoid surgery in this group or those with unresectable ...
  • The Accuracy of Magnetic Resonance Cholangiopancreatography (MRCP), Endoscopic Ultrasound (EUS) and Pancreatic Protocol CT (PPCT) in Diagnosing Main Pancreatic Duct Stones 
    Azar, Riad R.; Hagan, Michael; Kushnir, Vladimir M.; Wani, Sachin; Gupta, Neil; Mullady, Daniel; Murad, Faris (2016-09-09)
    Obstruction of the main pancreatic duct (MPD) by stones can cause debilitating pain in patients with chronic pancreatitis (CP). Endoscopic retrograde cholangiopancreatography (ERCP) is the gold standard for detecting MPD ...
  • Advanced Colorectal Adenomas in Patients Under 45 Years of Age 
    Azar, Riad R.; Kushnir, Vladimir M.; Goodwin, Jonathan; Safar, Elyas; Chokshi, Reena V.; Davidson, Nicholas O. (2016-09-27)
  • Advanced Colorectal Adenomas in Patients Under 45 Years of Age Are Mostly Sporadic 
    Azar, Riad R.; Kushnir, Vladimir M.; Nalbantoglu, ILKe; Watson, Rao; Goodwin, Johnathan; Safar, Elyas; Chokshi, Reena V.; Davidson, Nicholas O. (2016-10-07)
    Background The presence of advanced adenomas in younger individuals is a criterion for Lynch syndrome (LS). However, the utility of screening advanced adenomas for loss of mismatch repair (MMR) protein expression to ...
  • Advanced Colorectal Adenomas in Patients Under 45 Years of Age Are Mostly Sporadic 
    Azar, Riad R.; Kushnir, Vladimir M.; Nalbantoglu, ILKe; Watson, Rao; Chokshi, Reena V.; Safar, Elyas; Goodwin, Johnathan; Davidson, Nicholas (2016-10-07)
  • Bilateral Self-Expanding Metal Stent Placement for the Management of Malignant Hilar Strictures 
    Azar, Riad R.; Kushnir, Vladimir M.; Almaskeen, Sami A.; Bill, Jason; Mullady, Daniel; Early, Dayna S.; Edmundowicz, ste; Murad, Faris (2016-10-03)
    Bilateral endoscopic placement of self-expanding metal stents (SEMS) is an attractive option for palliative drainage of malignant biliary hilar strictures, however the optimal method of SEMS placement across the liver hilum ...
  • Compliance with surveillance recommendations for foregut subepithelial tumors is poor 
    Azar, Riad R.; Kushnir, Vladimir M.; Keswani, Rajesh N.; Hollander, Thomas G.; Kohlmeier, Cara; Mullady, Daniel K.; Murad, Faris M.; Komanduri, Srinadh; Edmundowicz, Steven A.; Early, Dayna S. (2016-09-28)
    Background American Gastroenterological Association guidelines recommend performing EUS to characterize subepithelial lesions (SELs) discovered on upper endoscopy (EGD), followed by surveillance if no high-risk features ...
  • Efficacy of Endoscopic Mucosal Resection (EMR) for Management of Small Duodenal Carcinoids 
    Azar, Riad R.; Shroff, Sagar R.; Kushnir, Vladimir M.; Brunt, Elizabeth M.; Wani, Sachin; Gupta, Neil; Jonnalagadda, Sreenivasa S.; Murad, Faris (2016-09-19)
    Duodenal Carcinoids (Neuroendocrine tumors, NETs) account for <2% of duodenal tumors found on endoscopy. The behavior of duodenal NETs remains unclear and consensus regarding management is lacking. There is limited data ...
  • Efficacy of Endoscopic Mucosal Resection for Management of Small Duodenal Neuroendocrine Tumors 
    Azar, Riad R.; Shroff, Sagar R.; Kushnir, Vladimir M.; Wani, Sachin B.; Gupta, Neil; Jonnalagadda, Sreenivasa S.; Murad, Faris; Early, Dayna S.; Mullady, Daniel K.; Edmundowicz, Steven A. (2016-10-07)
    Background: Endoscopic mucosal resection (EMR) for small (<20 mm) duodenal neuroendocrine tumors (NETs) remains controversial because of their rarity. Materials and Methods: This is a retrospective cohort study of ...
  • Endoscopic Ultrasound Fine Needle Aspiration of Solid Pancreatic Lesions 
    Azar, Riad R.; Weaver, Michael; Regan, Kara; Early, Dayna S.; Edmundowicz, Steven A.; Murad, Faris; Mullady, Daniel; Kushnir, Vladimir M. (2016-10-07)
    Endoscopic ultrasound fine needle aspiration (EUS-FNA) is used frequently to diagnose pancreatic lesions. Despite the utilization of this practice, the relationship of pancreatic lesion characteristics, EUS-FNA techniques ...
  • EUS Is Superior to CT and MRCP in the Diagnosis of Pancreas Divisum 
    Azar, Riad R.; Kushnir, Vladimir M.; Wani, Sachin B.; Hovis, Christine E.; Early, Dayna S.; Jin, David X.; Mullady, Daniel (2016-09-08)
    Pancreas divisum (PD), is the most common congenital variant of pancreatic anatomy, and is found in ∼10% of the population. It may account for up to 25% of cases of unexplained acute and chronic pancreatitis. ERCP, the ...
  • Evaluating Subepithelial Lesions in the Foregut 
    Azar, Riad R.; Kushnir, Vladimir M.; Hollander, Thomas G.; Kohlmeier, Cara; Mullady, Daniel; Murad, Faris; Edmundowicz, Steven A.; Early, Dayna S. (2016-09-29)
    The majority of foregut subepithelial lesions (SEL) are discovered incidentally during endoscopy or cross-sectional imaging. Consensus guidelines recommend performing EUS to further characterize and sample SELs. For suspected ...
  • Evaluation of patients with abnormalities on intraoperative cholangiogram 
    Azar, Riad R.; Bill, Jason G.; Kushnir, Vladimir M.; Mullady, Daniel K.; Murad, Faris M.; Easler, Jeffrey J.; Early, Dayna S.; Edmundowicz, Steven A. (2016-09-29)
    Background Endoscopic retrograde cholangiopancreatography (ERCP) is currently the method of choice for the postoperative evaluation of suspected bile duct stones seen on intraoperative cholangiogram (IOC); however, the ...
  • Evaluation of Patients With Suspected Bile Duct Stone on Intraoperative Cholangiogram (IOC) 
    Azar, Riad R.; Bill, Jason; Mullady, Daniel; Murad, Faris; Early, Dayna S.; Edmundowicz, Steven A.; Kushnir, Vladimir M. (2016-09-29)
    ERCP is currently the method of choice for the postoperative evaluation of suspected bile duct stones seen on IOC. The false positive rate of IOC has ranged widely in prior studies, from 2-60% and it is unclear whether ...
  • Incidence and Predictors of Residual Adenoma After Endoscopic Mucosal Resection (EMR) of Large Sessile Colon Polyps 
    Azar, Riad R.; Wani, Sachin B.; Hovis, Christine E.; Kanuri, Navya D.; Kushnir, Vladimir M.; Geisman, Taylor; Mullady, Daniel; Murad, Faris (2016-09-26)
    The risk of residual adenomatous polyp at first f/u colonoscopy after EMR of large sessile polyps is unclear and ranges from 0-55%. Data on predictors of residual adenoma at first f/u are sparse.
  • Long-Term Outcomes After Single Balloon Enteroscopy in Patients With Obscure Gastrointestinal Bleeding 
    Azar, Riad R.; Kushnir, Vladimir M.; Tang, Michael; Hollander, Thomas G.; Hovis, Christine E.; Early, Dayna S.; Mullady, Daniel; Murad, Faris (2016-09-19)
    The small bowel (SB) is the most common source of blood loss in patients with obscure gastrointestinal bleeding (OGIB). Without specific therapy 60-75% of patients with OGIB experience continued GI blood loss. The rate of ...
  • Long-Term Outcomes After Single-Balloon Enteroscopy in Patients with Obscure Gastrointestinal Bleeding 
    Azar, Riad R.; Kushnir, Vladimir M.; Tang, Michael; Goodwin, Johnathan; Hollander, Thomas G.; Hovis, Christine E.; Murad, Faris M.; Mullady, Daniel K. (2016-09-09)
    Background Limited data exists on the long-term outcomes of patients with obscure gastrointestinal bleeding (OGIB) following single-balloon enteroscopy (SBE). Aim To examine the long-term outcomes of patients undergoing ...
  • Minimally Invasive Therapy for Concomitant Malignant Biliary and Duodenal Strictures 
    Azar, Riad R.; Kushnir, Vladimir M.; Almaskeen, Sami A.; Bill, Jason; Early, Dayna S.; Murad, Faris; Edmundowicz, Steven A.; Mullady, Daniel (2016-09-29)
    Endoscopically placed self-expanding metal stents (SEMS) offer an effective palliative treatment for patients with malignant duodenal (DS) and biliary strictures (BS). Endoscopic biliary SEMS (EBS) placement is challenging, ...
  • Open Cell Versus Narrow Cell Uncovered Self-Expanding Metal Stents in the Treatment of Malignant Distal Biliary Obstruction 
    Azar, Riad R.; Almaskeen, Sami A.; Bill, Jason; Kushnir, Vladimir M.; Early, Dayna S.; Mullady, Daniel; Edmundowicz, Steven A.; Murad, Faris (2016-10-06)
    Endoscopic placement of biliary uncovered self-expanding metal stents (SEMS) offers effective long-term palliation to patients with malignant obstruction of the common bile or common hepatic duct. Nitinol SEMS with narrow ...