Percentage of Blood Donors with Doubtful Negative Results in Ag/ab Screening For HCV, HBV and HIV in Blood Bank, Rims, Ranchi, Jharkhand

Sushma Kumari; Asha Kiran; Manisha Kujur; Ritesh Kumar

Volume : VII, Issue : X, October - 2018

Percentage of Blood Donors with Doubtful Negative Results in Ag/ab Screening For HCV, HBV and HIV in Blood Bank, Rims, Ranchi, Jharkhand

Sushma Kumari, Asha Kiran, Manisha Kujur, Ritesh Kumar

Abstract :

Background: The serological screening tests are unable to detect the disease within their own defined window period making the recepients vulnerable to get infection. Aim: To reduce the risk of TTI in recepients by repeating the tests with dissimilar results and increasing the grey zone range from 10 to 20 % below the cut of value.

Methods: Blood samples were screened for HIV–I and II, HBV and HCV byusing chemiluminescencetechanique.

Results: During January2016 to December 2016 a total of 27790 blood units were screened which showed 282 HBSAg(1.01%) positive ,222(0.79%) anti HCV positive and 53(0.19%)anti HIV .Cumulative percentage of all the blood units with OD(optical density) 0.90 and above was 2.0%.

Conclusions: Doubtful negative results in Ag/ab screening for HCV, HBV and HIV should be retested. Any result showing OD 90 RLU and above should be discarded.