title: Clinical and epidemiologic characteristics of hepatitis C in a gastroenterology/hepatology practice in Ottawa.
abstract: OBJECTIVE
  To examine the clinical and epidemiologic features of hepatitis C virus (HCV) infection in a gastroenterology/hepatology practice in Ottawa.
  
  
  METHODS
  Retrospective chart review.
  
  
  METHODS
  Sixty-three consecutive patients found to be anti-HCV positive. Their charts were analysed with respect to risk factors, history of hepatitis, serum aspartate aminotransferase (AST) levels and the presence of hepatitis B markers. The long-term sexual partners of 29 patients agreed to undergo HCV antibody testing.
  
  
  RESULTS
  Of the patients 48 (76%) had been exposed to HCV parenterally: 27 used intravenous drugs, and 21 had received blood or blood products. Eleven patients did not have any known risk factor (sporadic infection), but eight of them had lived in countries where hepatitis C may be more prevalent; the other three had locally acquired infection. The mean serum AST level at the first visit was 140 (normally less than 40) IU/L. At least one hepatitis B marker was identified in 33% of the patients. None of the sexual partners who were tested were anti-HCV positive.
  
  
  CONCLUSIONS
  Most cases of hepatitis C in Ottawa are acquired through parenteral exposure; sexual transmission is rare. Sporadic infection in the Ottawa region is rare but may be more common in people from countries with a higher prevalence rate of hepatitis C. Most cases of hepatitis C are asymptomatic.
authors.affiliation: Department of Medicine, Ottawa Civic Hospital, Ont.
authors.forename: L J
authors.initials: LJ
authors.lastname: Scully
authors.forename: S
authors.initials: S
authors.lastname: Mitchell
authors.forename: P
authors.initials: P
authors.lastname: Gill
mesh_terms: D000328:Adult; D005260:Female; D005762:Gastroenterology; D006508:Hepatitis Antibodies / Q000097:blood; D006526:Hepatitis C / Q000453:epidemiology* / Q000276:immunology / Q000635:transmission; D006801:Humans; D008297:Male; D009864:Ontario / Q000453:epidemiology; D012189:Retrospective Studies; D012307:Risk Factors; D012747:Sexual Partners; D015819:Substance Abuse, Intravenous / Q000150:complications; D065227:Transfusion Reaction
chemical_list: D006508:Hepatitis Antibodies