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ORIGINAL ARTICLE
Year : 2018  |  Volume : 147  |  Issue : 6  |  Page : 581-587

Post-transfusion hepatitis C virus infection among β-thalassaemic individuals with associated clinical parameters


1 ICMR Virus Unit, Peerless Hospital & B. K. Roy Research Centre, Kolkata, India
2 Department of Hematology, Peerless Hospital & B. K. Roy Research Centre, Kolkata, India
3 Department of Biochemistry, Calcutta National Medical College, Kolkata, India
4 Department of Hematology, Nil Ratan Sarkar Medical College & Hospital, Kolkata, India

Correspondence Address:
Dr. Provash Chandra Sadhukhan
ICMR Virus Unit, I.D & B.G Hospital Campus, GB-4 (East Wing) 1st Floor, 57, Dr. Suresh Chandra Banerjee Road, Beliaghata, Kolkata 700 010, West Bengal
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijmr.IJMR_127_16

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Background & objectives: Multiple transfusions in β-thalassaemia patients undergoing regular transfusion regimen are at a risk of developing transfusion transmitted infections, including hepatitis C virus (HCV). The present study was conducted to investigate the association of HCV viraemia and genotype with clinical parameters in HCV seroreactive β-thalassaemic individuals. Methods: A total of 172 HCV seroreactive β-thalassaemic individuals aged between 2-35 yr with at least 25 units of blood transfusion were catagorized into four groups (2-12 yr, group 1; 13-19 yr, group 2; 20-29 yr, group 3; 30-35 yr, group 4). Aged matched control samples (n=87; β-thalassaemics without HCV infection) were also included. HCV RNA was detected by nested reverse transcriptase polymerase chain reaction (RT-PCR) based on 5’ UTR of HCV genome, viral load was determined by real-time RT-PCR. Nested RT-PCR amplified partial core region was used for DNA sequencing. Liver function parameters [serum total bilirubin, alanine aminotransferase (ALT) and aspartate aminotransferase (AST)] were also determined. Results: Of the 172 HCV seroreactive individuals, 59.30 per cent (n=102) were HCV RNA positive. HCV viral load ranged from 173 to 32.04×10[5] IU/ml; 87.65 per cent were infected with HCV genotype 3. Liver enzymes, such as ALT, AST and serum total bilirubin were significantly elevated in all age groups compared to control groups. Serum ferritin levels were found to be high in all individuals, but 16.27 per cent of HCV-infected individuals with >10,000 IU/ml viral load also showed high ferritin levels (>1500 μg/l) where the majority of them were infected with HCV genotype 3. Interpretation & conclusions: HCV genotype 3 was the major circulating genotype among β-thalassaemia patients in this region. Our findings indicated an association between HCV replication and hepatic iron load and also highlighted the need for sensitive quantitative RT-PCR-based detection of HCV RNA in the high risk population


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