Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
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Πέμπτη 1 Ιουνίου 2017

Prevalence of hepatitis C virus genotypes and subtypes in Lebanese population and major high risk groups

Publication date: Available online 1 June 2017
Source:Arab Journal of Gastroenterology
Author(s): Antoine Abou Rached, Cesar Yaghi, Leda Khalil, Jowana Saba, Walid Ammar
Background and study aimsThe prevalence of hepatitis C in Lebanon is low. It is estimated at 0.2% of the total population. The aim of our study is to evaluate the exact prevalence of each genotype on a large scale population and in each potential source of infection.Patients and methodsWe reviewed all the data in the Ministry of Public Health related to patients who have submitted their file for treatment during a period of 9years ranging from January 2005 till December 2013.ResultsThe genotype distribution in 1031 Lebanese patients was as following: Genotype 1 was the most predominant representing 47% followed by genotype 4 representing 34% then genotype 3 representing14%. Concerning sex distribution and routes of infection, there was a male predominance in intravenous drug users (IVDU), whereas approximately equal distribution was noted in haemodialysis and transfusion groups. A female predominance was noted in the "unknown" mode of infection. Concerning age distribution and routes of infection, a mean age of 27 was noted in the IVDU group, whereas mean age of 60 in the transfusion group and 50 in the haemodialysis group. In patients who acquired the infection post transfusion or during haemodialysis, genotype 1 was the most predominant, whereas in IVDU, genotype 3 was the most predominant. Concerning sub-genotyping: subtype 1b was the most predominant (84%) in genotype 1. in genotype 2 subtype b with 75%, all genotype 3 were subtype a, in genotype 4 subtype a represents 50% of genotype followed by subtype e in 30%.ConclusionOur data concerning Lebanese population demonstrate that genotype 1 is the most prevalent genotype followed by genotype 4. In IVU, we noted genotype-3 and -1 being the most prevalent in relation to clustering in this high risk group. This distribution differs from most surrounding countries and all other Arab countries.



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