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Effective reduction of Helicobacter pylori infection after upper gastrointestinal endoscopy by mechanical washing of the endoscope. 1996

M S Wu, and J T Wang, and J C Yang, and H H Wang, and J C Sheu, and D S Chen, and T H Wang
Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan.

OBJECTIVE To investigate the frequency of endoscopic transmission of Helicobacter pylori and the efficiency of disinfection in different washing methods of endoscopes. METHODS IgG antibodies to H. pylori in patients prospectively followed who underwent first endoscopic examination at the National Taiwan University Hospital from 1982 to 1993 were measured. A total of 132 subjects who were negative for H. pylori IgG antibody test before examination and who were with negative endoscopic findings were enrolled. Among the 132 seronegative patients, 60 were examined before June 1989 when manual washing was adopted for endoscope cleaning and 72 received examination after mechanical washing were routinely used in our endoscopy unit. RESULTS During a follow-up period of 6 months or more, 5 patients in the manual washing group sero-converted while none in the mechanical washing group seroconverted (5/60 vs 0/72. p = 0.02). CONCLUSIONS The results suggested that the risk of endoscopic transmission of H. pylori is substantial and mechanical washing is efficient in preventing this iatrogenic spread.

UI MeSH Term Description Entries
D007049 Iatrogenic Disease Any adverse condition in a patient occurring as the result of treatment by a physician, surgeon, or other health professional, especially infections acquired by a patient during the course of treatment. Hospital-Acquired Condition,Condition, Hospital-Acquired,Conditions, Hospital-Acquired,Disease, Iatrogenic,Diseases, Iatrogenic,Hospital Acquired Condition,Hospital-Acquired Conditions,Iatrogenic Diseases
D007074 Immunoglobulin G The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B. Gamma Globulin, 7S,IgG,IgG Antibody,Allerglobuline,IgG(T),IgG1,IgG2,IgG2A,IgG2B,IgG3,IgG4,Immunoglobulin GT,Polyglobin,7S Gamma Globulin,Antibody, IgG,GT, Immunoglobulin
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D004203 Disinfection Rendering pathogens harmless through the use of heat, antiseptics, antibacterial agents, etc.
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D016099 Endoscopy, Gastrointestinal Endoscopic examination, therapy or surgery of the gastrointestinal tract. Endoscopic Gastrointestinal Surgical Procedures,Surgical Procedures, Endoscopic Gastrointestinal,Endoscopic Gastrointestinal Surgery,Gastrointestinal Endoscopic Surgical Procedures,Procedure, Endoscopic Gastrointestinal, Surgical,Procedure, Gastrointestinal Endoscopic Surgical,Procedures, Endoscopic Gastrointestinal, Surgical,Procedures, Gastrointestinal Endoscopic Surgical,Surgical Procedure, Endoscopic Gastrointestinal,Endoscopic Gastrointestinal Surgeries,Endoscopies, Gastrointestinal,Gastrointestinal Endoscopies,Gastrointestinal Endoscopy,Gastrointestinal Surgeries, Endoscopic,Gastrointestinal Surgery, Endoscopic,Surgeries, Endoscopic Gastrointestinal,Surgery, Endoscopic Gastrointestinal
D016480 Helicobacter pylori A spiral bacterium active as a human gastric pathogen. It is a gram-negative, urease-positive, curved or slightly spiral organism initially isolated in 1982 from patients with lesions of gastritis or peptic ulcers in Western Australia. Helicobacter pylori was originally classified in the genus CAMPYLOBACTER, but RNA sequencing, cellular fatty acid profiles, growth patterns, and other taxonomic characteristics indicate that the micro-organism should be included in the genus HELICOBACTER. It has been officially transferred to Helicobacter gen. nov. (see Int J Syst Bacteriol 1989 Oct;39(4):297-405). Campylobacter pylori,Campylobacter pylori subsp. pylori,Campylobacter pyloridis,Helicobacter nemestrinae

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