Asian Journal of Transfusion Science
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ORIGINAL ARTICLE
Year : 2017  |  Volume : 11  |  Issue : 1  |  Page : 40-44

First Indian study to establish safety of immediate-spin crossmatch for red blood cell transfusion in antibody screen-negative recipients


1 Department of Transfusion Medicine, Medanta - The Medicity, Gurgaon, Haryana, India
2 Department of Laboratory and Transfusion Services, Medanta - The Medicity, Gurgaon, Haryana, India

Correspondence Address:
Aseem Kumar Tiwari
Department of Transfusion Medicine, Medanta - The Medicity, Sector-38, Gurgaon - 122 001, Haryana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-6247.200774

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Background and Objectives: The US Food and Drug Administration and American Association of Blood Banks approved the type and screen approach in 1980s, long after antibody screen (AS) was introduced in 1950s. The present study omits conventional anti-human globulin (AHG) crossmatch and replaces it with immediate-spin (IS) crossmatch as part of pretransfusion testing in AS-negative patients to study the safety and effectiveness of IS crossmatch in recipients. Materials and Methods: This prospective longitudinal study was conducted on over 5000 red cell units transfused to AS-negative patients admitted to the hospital. Pretransfusion testing comprised blood grouping and AS followed by IS crossmatch, at the time of issue of red cell unit. The patients were transfused IS compatible red cell units. AHG crossmatch was performed posttransfusion for all red cell units. Any incompatible AHG crossmatch was followed up as suspected transfusion reaction. Results: A total of 5023 red cell units were transfused to 2402 patients with negative AS. 99.7% IS compatible red cell units were also compatible on posttransfusion AHG crossmatch. Anti-P1 alloantibody was identified in one patient who was transfused two IS crossmatch compatible units but later both units were incompatible on AHG crossmatch. There was no clinical or serological sign of hemolysis in the patient. Conclusion: In AS-negative patients, IS crossmatch is as safe as conventional AHG crossmatch and can, therefore, replace conventional AHG crossmatch protocol.


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