Asian Journal of Transfusion Science
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ORIGINAL ARTICLE
Year : 2013  |  Volume : 7  |  Issue : 2  |  Page : 116-118

Transfusion transmittable infections - Seroprevalence among blood donors in a tertiary care hospital of Delhi


1 Blood Bank Max Super Speciality Hospital, Saket, New Delhi, India
2 Anatomical and Surgical Pathology and Transfusion Services, Max Healthcare India Ltd, Saket, New Delhi, India

Correspondence Address:
Sangeeta Pathak
Blood Bank Max Super Speciality Hospital, (East Wing) 2, Press Enclave Road, Saket, New Delhi - 110017
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-6247.115566

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Context: Transfusion transmittable infections (TTI) continue to be a major threat to safe transfusion practices. Blood is one of the major sources of transmission of infectious diseases viz. human immunodeficiency virus (HIV), hepatitis B virus (HBV), hepatitis C virus (HCV), syphilis, malaria, and many other infections in India. Screening assays for the infectious diseases with excellent sensitivity and specificity helps to enhance the safety of the blood transfusions reducing the diagnostic window period as much as possible. Aims: The present study was designed to determine the seroprevalence of TTIs viz., HIV, HCV, and HBV, among the blood donors in Max Super Specialty Hospital, New Delhi, India based on dual testing strategy using high sensitive screening assays such as enhanced chemiluminescence assay and nucleic acid testing (NAT). Materials and Methods: A total of 41207 blood units collected from the donors (both voluntary and replacement donors) were screened for the TTI s, viz., anti HIV 1 and 2 antibody, anti HCV antibody, anti HBcore antibody, and HBsAg by enhanced chemiluminescence assay on VITROS ® ECiQ immunodiagnostics system. NAT was performed using Roche Cobas ® TaqScreen MPX assay, which can detect simultaneously HIV 1 (groups M and O), HIV-2, HCV, and HBV on Roche Cobas ® s201 system. Results: The seroprevalence of HIV, HBsAg, anti HBcore antibody, and HCV based on enhanced chemiluminescence assay was found to be 0.25, 0.2, 7.06, and 0.7%, respectively. A total number of 6587 samples from July 2010 to December 2010 were tested on NAT, of which 3 samples were reactive for HBV in NAT; this was missed by enhanced chemiluminescence assay. Conclusions: Based on the seroprevalence study of infectious diseases viz., HIV, HBV, and HCV, we conclude that screening of blood and blood components by dual testing strategy using high sensitivity serological assay like enhanced chemiluminescence technology and NAT helps in detecting the potentially infectious blood units in all phases of infection, which aids in enhancing the safety of blood transfusion and reducing the potential risk of post-transfusion infection.


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2006 - Asian Journal of Transfusion Science | Published by Wolters Kluwer - Medknow
Online since 10th November, 2006