Cross-matching

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Cross-Matching in Blood Transfusion[edit | edit source]

Blood compatibility testing including cross-matching procedures.

Cross-matching is a critical laboratory test performed prior to a blood transfusion as part of blood compatibility testing. This process ensures the compatibility of donor blood with the recipient's blood, minimizing the risk of transfusion reactions.

Procedure[edit | edit source]

Cross-matching typically involves:

  • Mixing the recipient's blood plasma with the donor's red blood cells.
  • Observing for any adverse reactions that indicate incompatibility, such as clumping or hemolysis of red blood cells.

Significance in Blood Transfusions[edit | edit source]

The primary purpose of cross-matching is to prevent transfusion-related complications by:

  • Identifying potential incompatibilities between donor and recipient blood.
  • Ensuring safe transfusion, particularly in patients with a history of transfusions or pregnancies, where sensitization to foreign blood antigens is possible.

Methods of Cross-Matching[edit | edit source]

There are two main methods of cross-matching:

  • Serological Cross-Matching: The traditional method where donor red blood cells are physically mixed with the recipient's serum.
  • Electronic Cross-Matching: A method that relies on comparing the blood type records of the recipient and donor to ensure compatibility. This is suitable in cases where the recipient has no atypical antibodies.

External Links[edit | edit source]

Cross-matching Resources
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