title: Seroprevalence of IgG antibodies to Helicobacter pylori among gastrointestinal endoscopists, radiologists and paramedical personnel.
abstract: BACKGROUND
  The route of transmission of Helicobacter pylori is unknown. Since the organism has been isolated from saliva, gastric juice and stool, medical personnel could be at high risk for acquiring the infection during procedures like gastrointestinal endoscopy.
  
  
  OBJECTIVE
  To study whether endoscopy is a professional hazard for acquisition of H. pylori.
  
  
  METHODS
  We studied the prevalence of IgG antibodies to H. pylori in endoscopists (n = 17), radiologists (n = 17) and personnel from paraclinical branches (n = 35); microbiology (n = 21), pathology (n = 7) and forensic medicine (n = 7); among the paraclinical personnel five were at high risk because they worked with cultures of H. pylori. Subjects answered a questionnaire regarding upper gastrointestinal symptoms, and precautions taken at the work place against infection. The serum was tested for IgG antibodies to H. pylori using a microwell ELISA and a rapid card test.
  
  
  RESULTS
  H. pylori antibodies were present in five (29.4%) endoscopists, three (17.6%) radiologists and seven (20%) paraclinical personnel; only one of the 5 high risk para medical personnel was positive. There was no correlation between the duration of performing endoscopies and the H. pylori IgG status.
  
  
  CONCLUSIONS
  Endoscopy is not a risk factor for acquiring H. pylori infection.
authors.affiliation: Dept. of Microbiology, TN Medical College, Mumbai.
authors.forename: A H
authors.initials: AH
authors.lastname: Kamat
authors.forename: P R
authors.initials: PR
authors.lastname: Mehta
authors.forename: S J
authors.initials: SJ
authors.lastname: Bhatia
authors.forename: G V
authors.initials: GV
authors.lastname: Koppikar
mesh_terms: D000328:Adult; D000488:Allied Health Personnel; D000907:Antibodies, Bacterial / Q000097:blood*; D016099:Endoscopy, Gastrointestinal; D005260:Female; D005756:Gastritis / Q000453:epidemiology* / Q000276:immunology; D016481:Helicobacter Infections / Q000453:epidemiology* / Q000276:immunology / Q000635:transmission; D016480:Helicobacter pylori / Q000276:immunology*; D006801:Humans; D007074:Immunoglobulin G / Q000097:blood*; D007194:India / Q000453:epidemiology; D017758:Infectious Disease Transmission, Patient-to-Professional / Q000706:statistics & numerical data; D008297:Male; D009784:Occupational Diseases / Q000453:epidemiology* / Q000209:etiology / Q000276:immunology; D010348:Patient Care Team / Q000706:statistics & numerical data*; D011871:Radiology; D012307:Risk Factors; D016036:Seroepidemiologic Studies
chemical_list: D000907:Antibodies, Bacterial; D007074:Immunoglobulin G