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Browsing Gilbert and Rose-Marie Chagoury School of Medicine by Author "Ammar, Tarek"

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Browsing Gilbert and Rose-Marie Chagoury School of Medicine by Author "Ammar, Tarek"

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  • Experience With Endoscopic Therapy in Patients With Primary Sclerosing Cholangitis 
    Azar, Riad R.; Al-Lehibi, Abed H.; Kumar, Nitin; Ammar, Tarek; Murad, Faris; Mullady, Daniel; Early, Dayna S. (2016-09-19)
    Primary sclerosing cholangitis (PSC) is a chronic, progressive cholestatic disease. Strictures of major bile ducts are a frequent complication. No effective medical treatment exists; endoscopic therapies have been studied, ...
  • Fiducial placement for stereotactic radiation by using EUS 
    Azar, Riad; Ammar, Tarek; Cote, Gregory A.; Creach, Kimberly M.; Kohlmeier, Cara; Parikh, Parag J. (2016-06-21)
    Background: Stereotactic radiation by using fiducial markers permits higher doses of radiation while reducing the exposure of uninvolved, adjacent structures. EUS has been used to deploy fiducials, although a 19-gauge ...
  • Long Term Assessment of Endoscopic Management of Gastrojejunal Anastomotic Strictures After Roux-en-Y Gastric Bypass 
    Azar, Riad R.; Ammar, Tarek; Kumar, Nitin; Eagon, J. Christopher; Al-Lehibi, Abed H.; Mullady, Daniel; Early, Dayna S.; Edmundowicz, Steven A. (2016-09-26)
  • Physician Controlled Wire Guided Cannulation of the Minor Papilla 
    Azar, Riad R.; Ammar, Tarek; Maple, John T.; Ansstas, Michael; Abdeen, Basem M.; Cote, Gregory A. (2016-09-20)
    Objective: Cannulation of the minor papilla (MiP) can be challenging. Historically, specialty accessories and small caliber guidewires have been advocated for approaching the MiP. New short-wire ERCP platforms allow ...
  • Physician-Controlled Wire-Guided Cannulation of the Minor Papilla 
    Azar, Riad R.; Maple, John T.; Mansour, Lilah; Ammar, Tarek; Ansstas, Michael; Coté, Gregory A. (2016-09-20)
    Background. Minor papilla (MiP) cannulation is frequently performed using specialized small-caliber accessories. Outcomes data for MiP cannulation with standard-sized accessories are lacking. Methods. This is a case series ...
  • A prospective multicenter EUS database of subepithelial gastric lesions 
    Azar, Riad R.; Early, Dayna S.; Keswani, Rajesh N.; Cote, Gregory A.; Ammar, Tarek; Al-Lehibi, Abed H.; Komandur, Srinadh; Mullady, Daniel; Jonnalagadda, Sreenivasa S. (2016-09-27)
    Subepithelial lesions (SEL) found at EGD are a common indication for EUS. Many lesions are small and asymptomatic, but national guidelines encourage EUS to characterize and sample these lesions. We established a prospective ...
  • Stenting for malignant colonic obstruction 
    Azar, Riad; Keswani, Rajesh N.; Edmundowicz, Steven A.; Zhang, Qin; Ammar, Tarek; Banerjee, Bhaskar (2016-06-20)
    Background: Self-expandable metal stent placement for palliation of malignant colonic obstruction for colorectal cancer (CRC) is safe and efficacious. In contrast, outcomes of stent placement for extracolonic malignancy ...
  • Success rates for endoscopic retrograde cholangiopancreatography (ERCP) in patients with altered anatomy from prior surgical intervention 
    Azar, Riad R.; Al-Lehibi, Abed H.; Kumar, Nitin; Sayuk, Gregory S.; Ammar, Tarek; Murad, Faris (2016-09-08)
    With cumulative increase in patients, progressively larger numbers of patients with Roux-en-Y gastric bypass (RYGB) and pancreatoduodenectomy are requiring ERCP. We examined our rate of success with endoscopic techniques ...
  • Training in EUS-Guided fine needle aspiration 
    Azar, Riad; Cote, Gregory A.; Hovis, Christine E.; Kohlmeier, Cara; Ammar, Tarek; Al-Lehibi, Abed (2016-06-22)
    Background. The optimal time to initiate hands-on training in endoscopic ultrasound fine needle aspiration (EUS-FNA) is unclear. We studied the feasibility of initiating EUS-FNA training concurrent with EUS training. ...
  • Training in EUS-Guided fine needle aspiration 
    Azar, Riad R.; Cote, Gregory A.; Hovis, Christine E.; Kohlmeier, Cara; Ammar, Tarek; Al-Lehibi, Abed; Edmundowicz, Steven A.; Mullady, Daniel (2016-09-26)
  • Use of a pancreatic duct stent or guidewire facilitates bile duct access with low rates of precut sphincterotomy 
    Azar, Riad R.; Coté, Gregory A.; Mullady, Daniel K.; Jonnalagadda, Sreenivasa S.; Keswani, Rajesh N.; Wani, Sachin B.; Hovis, Christine E.; Ammar, Tarek (2016-09-19)
    Background and Study Aims Among cases of difficult biliary cannulation, alternatives include use of a pancreatic duct stent (PDS) or guidewire (PDW) to facilitate access. We compared the effectiveness of a PDS versus a ...

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