1. Redelings MD, Sorvillo F, Mascola L. Increase in Clostridium difficile-related mortality rates, United States, 1999-2004. Emerg Infect Dis. 2007; 13:1417–1419.
2. Vonberg RP, Reichardt C, Behnke M, et al. Costs of nosocomial Clostridium difficile-associated diarrhoea. J Hosp Infect. 2008; 70:15–20.
3. Kyne L, Warny M, Qamar A, et al. Asymptomatic carriage of Clostridium difficile and serum levels of IgG antibody against toxin A. N Engl J Med. 2000; 342:390–397.
4. Kelly CP, Pothoulakis C, LaMont JT. Clostridium difficile colitis. N Engl J Med. 1994; 330:257–262.
5. Shim JK, Johnson S, Samore MH, et al. Primary symptom-less colonisation by Clostridium difficile and decreased risk of subsequent diarrhoea. Lancet. 1998; 351:633.
6. Dial S, Delaney JA, Schneider V, et al. Proton pump inhibitor use and risk of community-acquired Clostridium difficile-associated disease defined by prescription for oral vancomycin therapy. CMAJ. 2006; 175:745–748.
7. Carignan A, Allard C, Pepin J, et al. Risk of Clostridium difficile infection after perioperative antibacterial prophylaxis before and during an outbreak of infection due to a hypervirulent strain. Clin Infect Dis. 2008; 46:1838–1843.
8. Bacon AE, Fekety R. Immunoglobulin G directed against toxins A and B of Clostridium difficile in the general population and patients with antibiotic-associated diarrhea. Diagn Microbiol Infect Dis. 1994; 18:205–209.
9. Wilcox MH, Mooney L, Bendall R, et al. A case-control study of community-associated Clostridium difficile infection. J Antimicrob Chemothe. 2008; 62:388–396.
10. Dial S, Delaney A, Barkun AN, et al. Use of gastric acid-suppressive agents and the risk of community-acquired Clostridium difficile-associated disease. JAMA. 2005; 294:2989–2995.
11. Byun TJ, Han DS, Ahn SB, et al. Clinical characteristics and changing epidemiology of Clostridium difficile-associated disease (CDAD). Korean J Gastroenterol. 2009; 54:13–19.
12. Lee HL, Han DS, Kim JB, et al. A case of pseudomembranous colitis presenting as toxic megacolon and protein losing enteropathy. Korean J Gastroenterol. 2003; 41:410–413.
13. Na KS, Jun DW, Park EJ, et al. A case of pseudomembranous colitis associated with neutrocytic ascites. Korean J Gastrointest Endosc. 2000; 21:568–571.
14. Koh DH, Lee HL, Kim JM, et al. A case of toxic megacolon associated with fulminant pseudomembranous colitis. Korean J Gastrointest Endosc. 2008; 36:112–116.
15. O'Connor JR, Johnson S, Gerding DN. Clostridium difficile infection caused by the epidemic BI/NAP1/027 strain. Gastroenterology. 2009; 136:1913–1924.
16. Loo VG, Poirier L, Miller MA, et al. A predominantly clonal multi-institutional outbreak of Clostridium difficile-associated diarrhea with high morbidity and mortality. N Engl J Med. 2005; 353:2442–2449.
17. Warny M, Pepin J, Fang A, et al. Toxin production by an emerging strain of Clostridium difficile associated with outbreaks of severe disease in North America and Europe. Lancet. 2005; 366:1079–1084.
18. Hong YR, Jeong SH, Kim KB, et al. Diagnosis of anti-biotic-associated diarrhea and pseudomembranous colitis by direct detection of Clostridium difficile toxin B gene. Infect Chemother. 2003; 35:241–248.
19. Lyras D, O'Connor JR, Howarth PM, et al. Toxin B is essen-tial for virulence of Clostridium difficile. Nature. 2009; 458:1176–1179.
20. Bartlett JG. Antibiotic-associated diarrhea. N Engl J Med. 2002; 346:334–339.
Article
21. Blossom DB, McDonald LC. The challenges posed by re-emerging Clostridium difficile infection. Clin Infect Dis. 2007; 45:222.
22. Planche T, Aghaizu A, Holliman R, et al. Diagnosis of Clostridium difficile infection by toxin detection kits: a systematic review. Lancet Infect Dis. 2008; 8:777–784.
23. McFarland LV. Update on the changing epidemiology of Clostridium difficile-associated disease. Nat Clin Pract Gastroenterol Hepatol. 2008; 5:40–48.
24. Shin BM, Kuak EY, Yoo HM, et al. Multicentre study of the prevalence of toxigenic Clostridium difficile in Korea: results of a retrospective study 2000-2005. J Med Microbiol. 2008; 57:697–701.
25. Shin BM, Kuak EY, Yoo SJ, et al. Emerging toxin A-B+ variant strain of Clostridium difficile responsible for pseudomembranous colitis at a tertiary care hospital in Korea. Diagn Microbiol Infect Dis. 2008; 60:333–337.
26. Reller ME, Lema CA, Perl TM, et al. Yield of stool culture with isolate toxin testing versus a two-step algorithm including stool toxin testing for detection of toxigenic Clostridium difficile. J Clin Microbiol. 2007; 45:3601.
27. Pillai A, Nelson R. Probiotics for treatment of
Clostridium difficile-associated diarrhea in adults. Cochrane Database Syst Rev. 2008. CD004611.
Article
28. Wanahita A, Goldsmith EA, Marino BJ, et al. Clostridium difficile infection in patients with unexplained leukocytosis. Am J Med. 2003; 115:543–546.
29. Baines SD, O'Connor R, Freeman J, et al. Emergence of reduced susceptibility to metronidazole in Clostridium difficile. J Antimicrob Chemother. 2008; 62:1046–1052.
30. Zar FA, Bakkanagari SR, Moorthi KM, et al. A comparison of vancomycin and metronidazole for the treatment of Clostridium difficile-associated diarrhea, stratified by disease severity. Clin Infect Dis. 2007; 45:302–307.
31. Gerding DN, Johnson S, Peterson LR, et al. Clostridium difficile-associated diarrhea and colitis. Infect Control Hosp Epidemiol. 1995; 16:459–477.
32. Johnson S, Homann SR, Bettin KM, et al. Treatment of asymptomatic Clostridium difficile carriers (fecal excretors) with vancomycin or metronidazole. A randomized, place-bo-controlled trial. Ann Intern Med. 1992; 117:297–302.
33. Leffler DA, LaMont JT. Treatment of Clostridium difficile-associated disease. Gastroenterology. 2009; 136:1899–1912.
34. Maroo S, Lamont JT. Recurrent Clostridium difficile. Gastroenterology. 2006; 130:1311–1316.
35. O'Connor JR, Galang MA, Sambol SP, et al. Rifampin and rifaximin resistance in clinical isolates of Clostridium difficile. Antimicrob Agents Chemother. 2008; 52:2813–2817.
36. Musher DM, Logan N, Hamill RJ, et al. Nitazoxanide for the treatment of Clostridium difficile colitis. Clin Infect Dis. 2006; 43:421–427.
37. Peppe J, Porzio A, Davidson DM. A new formulation of tole-vamer, a novel nonantibiotic polymer, is safe and well-tol-erated in healthy volunteers: a randomized phase I rial. Br J Clin Pharmacol. 2008; 66:102–109.
38. McFarland LV, Surawicz CM, Greenberg RN, et al. A randomized placebo-controlled trial of Saccharomyces boulardii in combination with standard antibiotics for Clostridium difficile disease. JAMA. 1994; 271:1913–1918.
39. Segarra-Newnham M. Probiotics for Clostridium difficile-associated diarrhea: focus on Lactobacillus rhamnosus GG and Saccharomyces boulardii. Ann Pharmacother. 2007; 41:1212–1221.
40. McFarland LV. Meta-analysis of probiotics for the prevention of antibiotic associated diarrhea and the treatment of Clostridium difficile disease. Am J Gastroenterol. 2006; 101:812–822.
41. Pothoulakis C, Kelly CP, Joshi MA, et al. Saccharomyces boulardii inhibits Clostridium difficile toxin A binding and enterotoxicity in rat ileum. Gastroenterology. 1993; 104:1108–1115.
42. Juang P, Skledar SJ, Zgheib NK, et al. Clinical outcomes of intravenous immune globulin in severe Clostridium difficile-associated diarrhea. Am J Infect Control. 2007; 35:131–137.
43. Borody TJ, Warren EF, Leis SM, et al. Bacteriotherapy using fecal flora: toying with human motions. J Clin Gastroenterol. 2004; 38:475–483.
44. You DM, Franzos MA, Holman RP. Successful treatment of fulminant Clostridium difficile infection with fecal bacteriotherapy. Ann Intern Med. 2008; 148:632–633.
45. McFarland LV, Mulligan ME, Kwok RY, Stamm WE. Nosocomial acquisition of Clostridium difficile infection. N Engl J Med. 1989; 320:204–210.
46. Kuijper EJ, van Dissel JT, Wilcox MH. Clostridium difficile: changing epidemiology and new treatment options. Curr Opin Infect Dis. 2007; 20:376–383.
47. Hookman P, Barkin JS. Clostridium difficile-associated infection, diarrhea and colitis. World J Gastroenterol. 2009; 15:1554–1580.