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Asian J Transfus Sci. 2018 Jan-Jun;12(1):42-45. doi: 10.4103/ajts.AJTS_31_17.

Advantages of type and screen policy: Perspective from a developing country!

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Department of Transfusion Medicine, Medanta - The Medicity, Gurgaon, Haryana, India.



The authors' center recently changed their pretransfusion testing protocol from "conventional" type and screen (TS) with anti-human globulin (AHG) crossmatch (Policy A) to TS with immediate-spin (IS) crossmatch (Policy B). Red blood cell (RBC) units were issued after compatible IS crossmatch as and when required instead of AHG crossmatch. This study was conducted to compare the effects of change of policy from A to B over 1-year period on crossmatch-to-transfusion (C/T) ratio, RBC issue turnaround time (TAT), outdating of RBC, man-hours consumption, and monetary savings.


This was a comparative, prospective study conducted by the Department of Transfusion Medicine of a tertiary hospital-based blood bank in Northern India. The Policy B was implemented in the department from January 2014. Relevant retrospective data for comparison of the previous 1 year, when Policy A was practiced, were derived from hospital information system.


23909 and 24724 RBC units transfused to patients admitted to the hospital during respective 1-year period of practice for Policy A and B. There was significant reduction in C/T ratio (1.94 vs. 1.01) and RBC issue TAT (79 vs. 65 min) with Policy B. Expiry due to outdating reduced (37 vs. zero) along with man-hours (16% reduction) and monetary (33% reduction) savings.


Use of 'TS with IS crossmatch' policy provides multiple advantages to all the stakeholders; blood banker, clinician, patient, and the hospital management.


Blood transfusion practice; crossmatch-to-transfusion ratio; turnaround time; type and crossmatch; type and screen

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