1. Wang KK, Sampliner RE. Updated guidelines 2008 for the diagnosis, surveillance and therapy of Barrett’s esophagus. Am J Gastroenterol. 2008; 103:788–797.
Article
2. Lapalus MG, Saurin JC. [Complications of gastrointestinal endoscopy: gastroscopy and colonoscopy]. Gastroenterol Clin Biol. 2003; 27:909–921.
3. Daneshmend TK, Bell GD, Logan RF. Sedation for upper gastrointestinal endoscopy: results of a nationwide survey. Gut. 1991; 32:12–15.
Article
4. Eliakim R, Yassin K, Shlomi I, Suissa A, Eisen GM. A novel diagnostic tool for detecting oesophageal pathology: the PillCam oesophageal video capsule. Aliment Pharmacol Ther. 2004; 20:1083–1089.
Article
5. Koslowsky B, Jacob H, Eliakim R, Adler SN. PillCam ESO in esophageal studies: improved diagnostic yield of 14 frames per second (fps) compared with 4 fps. Endoscopy. 2006; 38:27–30.
Article
6. Sharma P, Wani S, Rastogi A, et al. The diagnostic accuracy of esophageal capsule endoscopy in patients with gastroesophageal reflux disease and Barrett’s esophagus: a blinded, prospective study. Am J Gastroenterol. 2008; 103:525–532.
Article
7. Galmiche JP, Sacher-Huvelin S, Coron E, et al. Screening for esophagitis and Barrett’s esophagus with wireless esophageal capsule endoscopy: a multicenter prospective trial in patients with reflux symptoms. Am J Gastroenterol. 2008; 103:538–545.
Article
8. Bhardwaj A, Hollenbeak CS, Pooran N, Mathew A. A meta-analysis of the diagnostic accuracy of esophageal capsule endoscopy for Barrett’s esophagus in patients with gastroesophageal reflux disease. Am J Gastroenterol. 2009; 104:1533–1539.
Article
9. Eliakim R, Sharma VK, Yassin K, et al. A prospective study of the diagnostic accuracy of PillCam ESO esophageal capsule endoscopy versus conventional upper endoscopy in patients with chronic gastroesophageal reflux diseases. J Clin Gastroenterol. 2005; 39:572–578.
Article
10. Lin OS, Schembre DB, Mergener K, et al. Blinded comparison of esophageal capsule endoscopy versus conventional endoscopy for a diagnosis of Barrett’s esophagus in patients with chronic gastroesophageal reflux. Gastrointest Endosc. 2007; 65:577–583.
11. Sharma P, Dent J, Armstrong D, et al. The development and validation of an endoscopic grading system for Barrett’s esophagus: the Prague C & M criteria. Gastroenterology. 2006; 131:1392–1399.
12. Gralnek IM, Adler SN, Yassin K, Koslowsky B, Metzger Y, Eliakim R. Detecting esophageal disease with second-generation capsule endoscopy: initial evaluation of the PillCam ESO 2. Endoscopy. 2008; 40:275–279.
Article
13. Ramirez FC, Akins R, Shaukat M. Screening of Barrett’s esophagus with string-capsule endoscopy: a prospective blinded study of 100 consecutive patients using histology as the criterion standard. Gastrointest Endosc. 2008; 68:25–31.
Article
14. Lay CS, Tsai YT, Teg CY, et al. Endoscopic variceal ligation in prophylaxis of first variceal bleeding in cirrhotic patients with high-risk esophageal varices. Hepatology. 1997; 25:1346–1350.
Article
15. Garcia-Tsao G, Sanyal AJ, Grace ND, Carey W. Prevention and management of gastroesophageal varices and variceal hemorrhage in cirrhosis. Hepatology. 2007; 46:922–938.
Article
16. Benjamin SB. Complications of conscious sedation. Gastrointest Endosc Clin N Am. 1996; 6:277–286.
Article
17. McGuire BM. Safety of endoscopy in patients with end-stage liver disease. Gastrointest Endosc Clin N Am. 2001; 11:111–130.
Article
18. Ramirez FC, Hakim S, Tharalson EM, Shaukat MS, Akins R. Feasibility and safety of string wireless capsule endoscopy in the diagnosis of esophageal varices. Am J Gastroenterol. 2005; 100:1065–1071.
Article
19. Eisen GM, Eliakim R, Zaman A, et al. The accuracy of PillCam ESO capsule endoscopy versus conventional upper endoscopy for the diagnosis of esophageal varices: a prospective three-center pilot study. Endoscopy. 2006; 38:31–35.
Article
20. Lapalus MG, Dumortier J, Fumex F, et al. Esophageal capsule endoscopy versus esophagogastroduodenoscopy for evaluating portal hypertension: a prospective comparative study of performance and tolerance. Endoscopy. 2006; 38:36–41.
Article
21. Lapalus MG, Ben Soussan E, Gaudric M, et al. Esophageal capsule endoscopy vs. EGD for the evaluation of portal hypertension: a French prospective multicenter comparative study. Am J Gastroenterol. 2009; 104:1112–1118.
Article
22. Frenette CT, Kuldau JG, Hillebrand DJ, Lane J, Pockros PJ. Comparison of esophageal capsule endoscopy and esophagogastroduodenoscopy for diagnosis of esophageal varices. World J Gastroenterol. 2008; 14:4480–4485.
Article
23. Sacher-Huvelin S, Calès P, Bureau C, et al. Screening of esophageal varices by esophageal capsule endoscopy: results of a French multicenter prospective study. Endoscopy. 2015; 47:486–492.
Article
24. McCarty TR, Afinogenova Y, Njei B. Use of wireless capsule endoscopy for the diagnosis and grading of esophageal varices in patients with portal hypertension: a systematic review and meta-analysis. J Clin Gastroenterol. 2017; 51:174–182.
25. Chavalitdhamrong D, Jensen DM, Singh B, et al. Capsule endoscopy is not as accurate as esophagogastroduodenoscopy in screening cirrhotic patients for varices. Clin Gastroenterol Hepatol. 2012; 10:254–258. e1.
Article
26. Aoyama T, Oka S, Aikata H, et al. Is small-bowel capsule endoscopy effective for diagnosis of esophagogastric lesions related to portal hypertension? J Gastroenterol Hepatol. 2014; 29:511–516.
Article
27. de Franchis R, Eisen GM, Laine L, et al. Esophageal capsule endoscopy for screening and surveillance of esophageal varices in patients with portal hypertension. Hepatology. 2008; 47:1595–1603.
Article
28. Ishiguro H, Saito S, Imazu H, Aihara H, Kato T, Tajiri H. Esophageal capsule endoscopy for screening esophageal varices among Japanese patients with liver cirrhosis. Gastroenterol Res Pract. 2012; 2012:946169.
Article
29. Pena LR, Cox T, Koch AG, Bosch A. Study comparing oesophageal capsule endoscopy versus EGD in the detection of varices. Dig Liver Dis. 2008; 40:216–223.
Article
30. Schreibman I, Meitz K, Kunselman AR, Downey M, Le T, Riley T. Defining the threshold: new data on the ability of capsule endoscopy to discriminate the size of esophageal varices. Dig Dis Sci. 2011; 56:220–226.
Article
31. Stipho S, Tharalson E, Hakim S, Akins R, Shaukat M, Ramirez FC. String capsule endoscopy for screening and surveillance of esophageal varices in patients with cirrhosis. J Interv Gastroenterol. 2012; 2:54–60.
Article
32. Chen WS, Zhu LH, Li DZ, Chen L, Wu YL, Wang W. String esophageal capsule endoscopy with real-time viewing improves visualization of the distal esophageal Z-line: a prospective, comparative study. Eur J Gastroenterol Hepatol. 2014; 26:309–312.
33. Gora MJ, Sauk JS, Carruth RW, et al. Tethered capsule endomicroscopy enables less invasive imaging of gastrointestinal tract microstructure. Nat Med. 2013; 19:238–240.
Article
34. Ughi GJ, Gora MJ, Swager AF, et al. Automated segmentation and characterization of esophageal wall in vivo by tethered capsule optical coherence tomography endomicroscopy. Biomed Opt Express. 2016; 7:409–419.
Article
35. Gora MJ, Simmons LH, Quénéhervé L, et al. Tethered capsule endomicroscopy: from bench to bedside at a primary care practice. J Biomed Opt. 2016; 21:104001.
Article
36. Keller J, Fibbe C, Volke F, et al. Remote magnetic control of a wireless capsule endoscope in the esophagus is safe and feasible: results of a randomized, clinical trial in healthy volunteers. Gastrointest Endosc. 2010; 72:941–946.
Article
37. Oka A, Amano Y, Kusunoki R, et al. Superficial esophageal cancer observed with the PillCam ESO 2 in combination with the flexible spectral imaging color enhancement system. Dig Endosc. 2011; 23:195–196.
Article
38. Yim S, Gultepe E, Gracias DH, Sitti M. Biopsy using a magnetic capsule endoscope carrying, releasing, and retrieving untethered microgrippers. IEEE Trans Biomed Eng. 2014; 61:513–521.