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ORIGINAL ARTICLE
Year : 2016  |  Volume : 1  |  Issue : 1  |  Page : 12-15

Red Blood Cell Alloimmunization in Multi - transfused Patients: A Bicentric Study in India


1 From the Department of Blood Bank, Fortis Escorts Hospital, New Delhi, India
2 From the Department of Immunohaematology, Rotary Bangalore TTK Blood Bank, Bangalore Medical Services Trust, Bengaluru, Karnataka, India

Correspondence Address:
Amit Agrawal
From the Department of Blood Bank, Fortis Escorts Hospital, New Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2455-8893.178005

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Background: It is well-known that alloimmunization to red blood cell antigens resulting from the genetic disparities between donor and recipient is one of the risks of blood transfusion. The antibody screening cells are used to detect unexpected antibodies. The risk of alloimmunization is higher in patients who have received multiple blood transfusions such as thalassemia, other hematological disorders, renal failure patients on dialysis who receive blood transfusions, and females with bad obstetric history. Antibody screening test using 2–3 cells panel is not a mandatory pretransfusion testing in India and is performed routinely in limited blood centers. Materials and Methods: This bicentric study has been carried out to look at prevalence of antibodies in multi-transfused patients who have higher risks of alloimmunization such as patients who have received multiple blood transfusions such as thalassemia, other hematological disorders, renal failure patients on dialysis who receive blood transfusions, and females with bad obstetric history in the North as well as South India. The study was conducted at two blood centers, one regional blood transfusion of North India and one at South India. Totally, 4569 cases were analyzed and 258 patients were selected for antibody screening and identification. Results: Of total 4569 patients, 258 multi-transfused patients were studied. Among these, seven patients (2.71%) were found alloimmunized. The risk of alloimmunization was 2.90% in thalassemia, 0% in chronic renal failure patients, 3.77% in pregnant females with bad obstetric history, and 2.78% in other multi-transfused patients like cancer. Discussion: Regular monitoring through antibody screening and transfusion of blood matched for minor erythrocyte antigens are recommended in these patients.


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