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Related Experiment Videos

Clinically significant autoantibodies--a case report.

P V Sulochana1, S Sathyabhama, Jaisy Mathai

  • 1Division of Blood Transfusion Services, Sree Chitra Tirunal Instt for Medical Sciences and Technology, Thiruvananthapuram, Kerala.

Indian Journal of Pathology & Microbiology
|March 17, 2004
PubMed
Summary
This summary is machine-generated.

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A patient with Ventricular Septal Defect (VSD) had rare antibodies (auto anti-A1 and anti-H) complicating blood transfusions. Transfusion challenges were overcome using A2 group blood for hypothermic surgery.

Area of Science:

  • Transfusion Medicine
  • Immunology
  • Cardiovascular Surgery

Background:

  • A patient requiring intracardiac repair for Ventricular Septal Defect (VSD) presented with complex blood grouping issues.
  • The patient's serum contained auto anti-A1 and anti-H antibodies, leading to discrepancies in blood typing.

Observation:

  • Standard blood grouping revealed the patient as A1 positive, but crossmatching showed incompatibility with all available A1, A2, and O blood units at both 37°C and 25°C.
  • The presence of auto anti-A1 and anti-H antibodies significantly limited transfusion options, necessitating a postponement of the planned surgery.

Findings:

  • Antibody analysis after four months revealed a change in the thermal amplitude of auto anti-H, while auto anti-A1 remained consistent.
  • The successful surgical intervention was ultimately performed using A2 group blood, indicating a successful management of the transfusion challenge.

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Implications:

  • This case highlights the critical importance of thorough antibody screening and characterization in patients with complex serological profiles undergoing surgery.
  • Management of rare antibodies, such as auto anti-A1 and anti-H, requires careful pre-operative planning and potentially alternative transfusion strategies.
  • The successful use of A2 blood demonstrates the adaptability of transfusion protocols in challenging clinical scenarios, ensuring patient safety and surgical feasibility.