Libyan Journal of Medicine
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Risk Factors and Genotypes of Hepatitis C Virus Infection in Libyan Patients
WA Alashek  1, M Altagdi  2
1 - Community Medicine Department, Faculty of Medicine, Alfateh Medical University, Tripoli/ Libya
2 - Department of Infectious Diseases, Tripoli Medical Centre
Libyan J Med 2008; 3(4):162-165
ICID: 878406
Article type: Original article
IC™ Value: 3.00
Abstract provided by Publisher
 
Background: The prevalence and incidence of HCV infection varies geographically due to exposure to different risk factors. Identification of HCV genotype is important to defining the epidemiology of the disease. The objective of this study was to describe genotype distribution and its relation to risk
factors among HCV infected patients attending virology clinic of the Department of Infectious Diseases at the Tripoli Medical Centre. Methods: The medical records of 891 Libyan chronic HCV infected patients registered and followed up from January 2003 to January 2007 were reviewed. Data gathered includes patient's age, gender, risk factors and family history of HCV infection. Statistical analysis was performed using t, x2 and contingency coefficient tests. Results: The mean age was 40.22±13.09 years. Two thirds of patients were males. Normal alanine aminotransferase (ALT) at diagnosis was found in 62% of the patients. HCV RNA < 2 million copies at diagnosis was found
among 54% of patients. HCV genotype 1 (G1) was the most frequent (30.9%), followed by G4 (29.2%). Genotype 2 affected 19.3% and G3 13.6%. No classification of HCV genotype was available for 2% of the patients. Many subtypes of HCV were detected with different frequencies (G1a and b,
G2a, b, c and a/c, G3a and G4a and c/d). All genotypes of HCV were more common among males (P<0.001). Genotype 3 was the most frequent among male patients (88.6%). Regarding the risk factors, 33% of patients had a history of hospitalization and/or surgical procedures, and 22.7% had a
history of blood transfusion. A past history of intravenous drug abuse (IVDA) was reported by 15% of the patients, and 15.9% reported a history of dental procedures. The relationship between the genotype of HCV and risk factors was statistically significant (P<0.001). No history of risky exposure
was found among 10.8% of patients. Conclusion: Genotypes 1 and 4 were more predominant among HCV infected patients. Males were affected more than females and they presented themselves to the clinic at a younger age. The results of this study strongly suggest the need forimplementing strict infection control measures in hospitals and dental clinics to reduce the nosocomial transmission of HCV, as well as measures to control the problem of intravenous drug users in the community

ICID 878406
 
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