AndrewKeesRoordaMD

PubMed

• 41 citations
  Early experience with radiofrequency energy ablation therapy for Barrett's esophagus with and without dysplasia.
  Andrew K. Roorda, Samuel N. Marcus, George Triadafilopoulos
  Diseases of the Esophagus. 2007-12-01
• 16 citations
  Indications and safety of proton pump inhibitor drug use in patients with cancer.
  George Triadafilopoulos, Andrew K. Roorda, Junichi Akiyama
  Expert Opinion on Drug Safety. 2013-08-22
• 24 citations
  Update on Foreign Bodies in the Esophagus: Diagnosis and Management
  George Triadafilopoulos, Andrew K. Roorda, Junichi Akiyama
  Current Gastroenterology Reports. 2013-02-26

Journal Articles

• An elusive cause of severe gastrointestinal bleeding.  
  Kommareddy S, Roorda AK, Legha P, Lombard C, Triadafilopoulos G, Dig Dis Sci., 1/1/2013
• Managing Barrett’s esophagus with radiofrequency ablation.  
  Akiyama J, Roorda AK, Triadafilopoulos, Gastroenterology Report, 1/1/2013
• Indications and safety of proton pump inhibitor drug use in patients with cancer.  
  Triadafilopoulos G, Roorda AK, Akiyama J, Expert Opin Drug Saf, 1/1/2013
• Update on foreign bodies in the esophagus: diagnosis and management.  
  Triadafilopoulos G, Roorda, AK, Akiyama J, Curr Gastroenterol Rep, 1/1/2013
• Recurrent hematochezia secondary to gastrointestinal stromal tumors (GISTs) in neurofibromatosis type one.  
  Kupec JT, Roorda AK, Williams HJ, Goebel SU, WV Med J, 7/1/2011
• Biliary stone extraction techniques: old and new. Endoscopy: opening new eyes, series #6.  
  Jalali F, Roorda AK, Sundaram U, Pract Gastroenterol, 1/1/2011
• Algorithmic approach to patients presenting with heartburn and epigastric pain refractory to empiric proton pump inhibitor therapy.  
  Roorda AK, Marcus SN, Triadafilopoulos G, Dig Dis Sci, 1/1/2011
• Endoscopic approaches to capsule endoscopy retention.  
  Roorda AK, Kupec JT, Ostrinsky Y, Shamma'a JM, Goebel SU, Sundaram U, Expert Rev Gastroenterol Hepatol, 1/1/2010
• A fellow’s guide to generating the endoscopy procedure report.  
  Roorda AK, Triadafilopoulos G, Gastrointest Endosc, 1/1/2010
• Introduction to a new series. Endoscopy: opening new eyes.  
  Roorda AK, Pract Gastroenterol, 1/1/2009
• I spy biliary and pancreatic ducts: the spyglass single-operator peroral cholangiopancreatoscopy system. Endoscopy: opening new eyes, series #1.  
  Roorda AK, Kupec JT, Sundaram U, Pract Gastroenterol, 1/1/2009
• Radiofrequency ablation of Barrett's esophagus.  
  Arora G, Basra S, Roorda AK, Triadafilopoulos G, Eur Surg, 1/1/2009
• Circumferential and focal radiofrequency ablation for the treatment of Barrett's esophagus.  
  Roorda AK, Triadafilopoulos G, Expert Rev Gastroenterol Hepatol, 1/1/2008
• Early experience with radiofrequency energy ablation therapy for Barrett's esophagus with and without dysplasia.  
  Roorda AK, Marcus SN, Triadafilopoulos G, Dis Esophagus, 1/1/2007
• Do pH and temperature play a role in gastrostomy tube deterioration?  
  Roorda AK, Rider DL, Rider JA, Conroy BF, Jpen-Parenter Enter, 1/1/2005
• Male breast disease.  
  Wise GJ, Roorda AK, Kalter R, J Am Coll Surgeons, 1/1/2005
• A bleeding Meckel's diverticulum.  
  Zellner C, Roorda AK, New Engl J Med, 1/1/2003
• PEG: A safe procedure in the elderly: including the oldest old.  
  Rider DL, Rider JA, Roorda AK, Pract Gastroenterol, 1/1/2002
• Ectopic breast cancer: special treatment considerations in the postmenopausal patient.  
  Roorda AK, Hansen JP, Rider JA, Huang S, Rider DL, Breast J, 1/1/2002
• Further analysis of standards for antacid simethicone defoaming properties.  
  Rider JA, Roorda AK, Rider DL, Curr Ther Res Clin E, 1/1/1997
• An analysis of standards for antacid simethicone defoaming properties.  
  Rider JA, Roorda AK, Rider DL., Curr Ther Res Clin E, 1/1/1995
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Abstracts/Posters

• NHE3 and butyrate:HCO3- exchange are uniquely altered in the proximal colon in a rat model of colitis associated cancer.
  Weed MT, Manoharan PK, Roorda AK, Balasubramanian P, Sundaram U, Gastroenteroloy; Poster presentation, American Gastroenterological Association Annual Meeting, San Diego Convention Center, San Diego, CA, May 2012, 1/1/2012
• Peroxynitrite uniquely regulates brush border membrane anion/HCO3- exchange in rat small intestinal epithelial cells.
  Roorda AK, Manoharan P, Kekuda R, Coon S, Sundaram U, 2011 E.J. Poster Presentation, Van Liere Memorial Convocation Memorial Convocation and Health Sciences Center Research Day Event, West Virginia University, Morgantown, WV, 3/11/2011
• Peroxynitrite uniquely regulates brush border membrane anion/HCO3- exchange in rat small intestinal epithelial cells.
  Roorda AK, Manoharan P, Kekuda R, Coon S, Sundaram U, Gastroenterology; Poster Presentation, American Gastroenterological Association Annual Meeting, McCormick Place, Chicago, IL, May 2011, 1/1/2011
• Routine fluid aspiration during direct visualization cholangioscopy (SpyGlass) Increases Diagnostic Yield.
  Kupec JT, Roorda AK, Sundaram U, Am J Gastroenterol, 1/1/2010
• Utility of SpyGlass in preventing common bile duct trauma during ERCP with "clip stone" extraction.
  Roorda AK, Miranda M, Ju J, Sundaram U, Am J Gastroenterol; Poster Presentation, American College of Gastroenterology’s 75th Annual Meeting, Henry B. Gonzalez Convention Center, San Antonio, TX, Oct 2010, 1/1/2010
• Endoscopic approaches to retained capsule endoscopy.
  Roorda AK, Ostrinsky Y, Kupec JT, Goebel SU, Shamma'a JM, Sundaram U, Am J Gastroenterol; Poster presentation, American College of Gastroenterology’s 74th Annual Meeting, San Diego Convention Center, San Diego, CA, Oct 2009, 1/1/2009
• Validation of a novel scoring system as a diagnostic aid in patients with reflux-like dyspepsia.
  Roorda AK, Marcus S, Triadafilopoulos G, Am J Gastroenterol; Poster presentation, American College of Gastroenterology’s 73rd Annual Meeting, Gaylord Palms Resort & Convention Center, Orlando, FL, Oct 2008, 1/1/2008
• Algorithmic approach of patients presenting with heartburn and epigastric pain refractory to empiric proton pump inhibitor therapy.
  Roorda AK, Marcus SN, Triadafilopoulos G, J Clin Gastroenterol; Oral and poster presentation, World Organization for Specialized Studies on Diseases of the Esophagus (OESO) 9th World Congress, Monaco, Monte-Carlo, Apr 2008, 1/1/2008
• Capsule endoscope retention incidence and outcomes in a large international series.
  Sanchez-Yague A, Allen M, Caunedo-Alvarez A, Roorda AK, Sison CM, Gill KRS, Pizzute C, Romero-Vazquez J, Binmoeller KF, Herrerias-Gutierrez JM, Poster Presentation, 6th International Conference on Capsule Endoscopy (ICCE), Madrid, Spain, 6/1/2007
• Radiofrequency ablation for Barrett's esophagus with and without dysplasia: A community-based, single-center experience.
  Roorda AK, Marcus SN, Triadafilopoulos G, Gastrointest Endosc; Poster Presentation, American Gastroenterological Association Annual Meeting and Digestive Disease Week, Washington Convention Center, Washington, DC, May 2007, 1/1/2007
• Value of a novel multi-factorial scoring system as a diagnostic aid in the prospective evaluation of patients with reflux-like dyspepsia.
  Roorda AK, Marcus SN, Triadafilopoulos G, Am J Gastroenterol; Poster Presentation, American College of Gastroenterology’s 72st Annual Meeting; American College of Physicians Northern California Chapter Scientific Meeting, The Pennsylvania Convention Center, Philadelphia, PA, Oct 2007; Portola Plaza Hotel, Monterey, CA, D, 1/1/2007
• Esophageal and gastric PH profiles in patients with refractory gastroesophageal reflux disease treated with twice daily proton pump inhibitors.
  Boparai V, Roorda AK, Marcus SN, Triadafilopoulos G, Gastroenterology; Poster Presentation, American Gastroenterological Association Annual Meeting, Washington Convention Center, Washington, DC, May 2007, 1/1/2007
• Early Experience with radiofrequency energy ablation therapy for Barrett’s esophagus with and without dysplasia.
  Roorda AK, Marcus SN, Triadafilopoulos G, Poster Presentation, Stanford University Network for Translational Research in Optical Imaging (NTROI) Retreat, Stanford University, Palo Alto, CA, 1/1/2007
• An unexpected cause of refractory upper gastrointestinal hemorrhage in a patient with platelet dysfunction.
  Roorda AK, Tsoi E, Man K, Mulholland S, Yu H, Mendelson T, Poster Presentation, American College of Physicians 2006 Northern California Chapter Scientific Meeting, Portola Plaza Hotel, Monterey, CA, 11/1/2006
• Wireless capsule endoscopy in patients with leaky gut syndrome.
  Roorda AK, Gill KRS, Mendelson T, Peterson DL, Allen M, Binmoeller KF, Gastrointest Endosc; American College of Physicians 2005 Northern California Chapter Scientific Meeting; American Gastroenterological Association Annual Meeting, Portola Plaza Hotel, Monterey, CA, Oct 2005; Los Angeles Convention Center, Los Angeles, CA, May 200, 4/1/2006
• Incidence and outcomes of capsule endoscopy retention: An international study.
  Yague AS, Roorda AK, Allen M, et al., Am J Gastroenterol; American College of Gastroenterology’s 71st Annual Meeting, The Venetian Resort and Casino, Las Vegas, NV, Oct 2006, 1/1/2006
• Evaluation of wireless capsule endoscopy interobserver agreement among four different levels of expertise.
  Gill KRS, Roorda AK, Allen M, Lee J, Yamaguchi T, Binmoeller KF, Am J Gastroenterol; Poster Presentation, American College of Gastroenterology's 70th Annual Meeting; American College of Physicians 2005 Northern California Chapter Scientific Meeting, Honolulu Convention Center, Honolulu, HI; Portola Plaza Hotel, Monterey, CA, 10/1/2005
• One hundred consecutive percutaneous endoscopic gastrostomies (PEGs) in an elderly (average age 85) high-risk population with zero mortality and no intraoperative comp...
  Rider DL, Rider JA, Roorda AK, Gastrointest Endosc, 1/1/2000
• A critique of existing methods in the analysis of antacid simethicone defoaming properties.
  Rider JA, Roorda AK, Rider DL, Gastroenterology, 1/1/1997
• An analysis of standards for antacid simethicone defoaming properties.
  Rider JA, Roorda AK, Rider DL, Gastroenterology, 1/1/1995
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Lectures

• "Role of anti-reflux surgery (ARS) in Barrett’s esophagus". 
  Lake Como, Italy - 9/3/2012
• "How to manage symptoms after anti-reflux surgery (ARS)". 
  Lake Como, Italy - 9/1/2012
• "Update on Barrett’s esophagus" 
  Department of Internal Medicine, West Virginia University School of Medicine, Morgantown, WV - 9/30/2011