1. Inamori M, Togawa J, Nagase H, Abe Y, Umezawa T, Nakajima A, Saito T, Ueno N, Tanaka K, Sekihara H, Kaifu H, Tsuboi H, Kayama H, Tominaga S, Nagura H. Clinical characteristics of Japanese reflux esophagitis patients as determined by Los Angeles classification. J Gastroenterol Hepatol. 2003. 18:172–176.
Article
2. Goh KL, Chang CS, Fock KM, Ke M, Park HJ, Lam SK. Gastrooesophageal reflux disease in Asia. J Gastroenterol Hepatol. 2000. 15:230–238.
Article
3. Furukawa N, Iwakiri R, Koyama T, Okamoto K, Yoshida T, Kashiwagi Y, Ohyama T, Noda T, Sakata H, Fujimoto K. Proportion of reflux esophagitis in 6010 Japanese adults: prospective evaluation by endoscopy. J Gastroenterol. 1999. 34:441–444.
Article
4. Yeh C, Hsu CT, Ho AS, Sampliner RE, Fass R. Erosive esophagitis and Barrett's esophagus in Taiwan: a higher frequency than expected. Dig Dis Sci. 1997. 42:702–706.
5. Lee SJ, Song CW, Jeen YT, Chun HJ, Lee HS, Um SH, Lee SW, Choi JH, Kim CD, Ryu HS, Hyun JH. Prevalence of endoscopic reflux esophagitis among Koreans. J Gastroenterol Hepatol. 2001. 16:373–376.
Article
6. Yeom JS, Park HJ, Cho JS, Lee SI, Park IS. Reflux esophagitis and its relationship to hiatal hernia. J Korean Med Sci. 1999. 14:253–256.
7. Miranda PJ, DeFronzo RA, Califf RM, Guyton JR. Metabolic syndrome: definition, pathophysiology, and mechanisms. Am Heart J. 2005. 149:33–45.
Article
8. Hongo M. Minimal changes in reflux esophagitis: red ones and white ones. J Gastroenterol. 2006. 41:95–99.
Article
9. Sandler RS, Everhart JE, Donowitz M, Adams E, Cronin K, Goodman C, Gemmen E, Shah S, Avdic A, Rubin R. The burden of selected digestive diseases in the United States. Gastroenterology. 2002. 122:1500–1511.
Article
10. Hampel H, Abraham NS, El-Serag HB. Meta-analysis: obesity and the risk for gastroesophageal reflux disease and its complications. Ann Intern Med. 2005. 143:199–211.
Article
11. Kim Y, Suh YK, Choi H. BMI and metabolic disorders in South Korean adults: 1998 Korea National Health and Nutrition Survey. Obes Res. 2004. 12:445–453.
Article
12. Kim DM, Ahn CW, Nam SY. Prevalence of obesity in Korea. Obes Rev. 2005. 6:117–121.
Article
13. Nilsson M, Lundegardh G, Carling L, Ye W, Lagergren J. Body mass and reflux oesophagitis: an oestrogen-dependent association? Scand J Gastroenterol. 2002. 37:626–630.
Article
14. Nilsson M, Johnsen R, Ye W, Hveem K, Lagergren J. Obesity and estrogen as risk factors for gastroesophageal reflux symptoms. JAMA. 2003. 290:66–72.
Article
15. Gudlaugsdottir S, Verschuren W, Dees J, Stijnen T, Wilson J. Hypertension is frequently present in patients with reflux esophagitis or Barrett's esophagus but not in those with non-ulcer dyspepsia. Eur J Intern Med. 2002. 13:369–375.
Article
16. Pilotto A, Franceschi M, Leandro G, Scarcelli C, D'Ambrosio LP, Seripa D, Perri F, Niro V, Paris F, Andriulli A, Di Mario F. Clinical features of reflux esophagitis in older people: a study of 840 consecutive patients. J Am Geriatr Soc. 2006. 54:1537–1542.
Article
17. Lind T, Havelund T, Carlsson R, Anker-Hansen O, Glise H, Hernqvist H, Junghard O, Lauritsen K, Lundell L, Pedersen SA, Stubberod A. Heartburn without oesophagitis: efficacy of omeprazole therapy and features determining therapeutic response. Scand J Gastroenterol. 1997. 32:974–979.
Article
18. Behar J, Biancani P, Sheahan DG. Evaluation of esophageal tests in the diagnosis of reflux esophagitis. Gastroenterology. 1976. 71:9–15.
Article
19. Hongo M, Traube M, McAllister RG Jr, McCallum RW. Effects of nifedipine on esophageal motor function in humans: correlation with plasma nifedipine concentration. Gastroenterology. 1984. 86:8–12.
Article
20. Nishida T, Tsuji S, Tsujii M, Arimitsu S, Sato T, Haruna Y, Miyamoto T, Kanda T, Kawano S, Hori M. Gastroesophageal reflux disease related to diabetes: analysis of 241 cases with type 2 diabetes mellitus. J Gastroenterol Hepatol. 2004. 19:258–265.
Article
21. Kinekawa F, Kubo F, Matsuda K, Inoue H, Kuriyama S. Gastroesophageal reflux disease in diabetic patients. Nippon Rinsho. 2004. 62:1546–1552.
22. Lluch I, Ascaso JF, Mora F, Minguez M, Pena A, Hernandez A, Benages A. Gastroesophageal reflux in diabetes mellitus. Am J Gastroenterol. 1999. 94:919–924.
Article
23. Rayner CK, Samsom M, Jones KL, Horowitz M. Relationships of upper gastrointestinal motor and sensory function with glycemic control. Diabetes Care. 2001. 24:371–381.
Article
24. De Boer SY, Masclee AA, Lam WF, Lamers CB. Effect of acute hyperglycemia on esophageal motility and lower esophageal sphincter pressure in humans. Gastroenterology. 1992. 103:775–780.
Article
25. Ford ES, Giles WH, Dietz WH. Prevalence of the metabolic syndrome among US adults: findings from the third National Health and Nutrition Examination Survey. JAMA. 2002. 287:356–359.
Article
26. Miyatake N, Wada J, Kawasaki Y, Nishii K, Makino H, Numata T. Relationship between metabolic syndrome and cigarette smoking in the Japanese population. Intern Med. 2006. 45:1039–1043.
Article
27. Park HS, Lee SY, Kim SM, Han JH, Kim DJ. Prevalence of the metabolic syndrome among Korean adults according to the criteria of the International Diabetes Federation. Diabetes Care. 2006. 29:933–934.
Article
28. Wassink AM, Olijhoek JK, Visseren FL. The metabolic syndrome: metabolic changes with vascular consequences. Eur J Clin Invest. 2007. 37:8–17.
Article
29. Corley DA, Kubo A. Body mass index and gastroesophageal reflux disease: a systematic review and meta-analysis. Am J Gastroenterol. 2006. 101:2619–2628.
Article
30. El-Serag HB, Graham DY, Satia JA, Rabeneck L. Obesity is an independent risk factor for GERD symptoms and reflux esophagitis. Am J Gastroenterol. 2005. 100:1243–1250.
31. Moki F, Kusano M, Mizuide M, Shimoyama Y, Kawamura O, Takagi H, Imai T, Mori M. Association between reflux esophagitis and features of the metabolic syndrome in Japan. Aliment Pharmacol Ther. 2007. 26:1069–1075.