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Related Experiment Videos

Intraoperative autotransfusion for elective aortic surgery

R M Greenhalgh, C J Kirk, A Bartoll

    The British Journal of Surgery
    |October 1, 1978
    PubMed
    Summary
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    Intraoperative autotransfusion with the Bentley ATS 100 system reinfused an average of 2000 ml of blood during abdominal aortic aneurysm surgery. While hemoglobin decreased slightly, this method offers a vital alternative to banked blood, especially in emergencies.

    Area of Science:

    • Cardiovascular Surgery
    • Anesthesiology
    • Transfusion Medicine

    Background:

    • Banked blood shortages necessitate exploring alternatives for intraoperative blood management.
    • Abdominal aortic aneurysm (AAA) repair is a major surgical procedure with significant blood loss potential.
    • Intraoperative autotransfusion (IAT) aims to reduce reliance on allogeneic blood products.

    Purpose of the Study:

    • To evaluate the efficacy and safety of the Bentley ATS 100 system for intraoperative autotransfusion in patients undergoing Dacron replacement of the abdominal aorta.
    • To assess the impact of IAT on postoperative blood requirements and coagulation parameters.

    Main Methods:

    • The Bentley ATS 100 system was utilized for intraoperative autotransfusion in 23 patients undergoing AAA repair.

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  • Patients received a total heparinization dose during the procedure.
  • Hemoglobin levels and coagulation studies were monitored preoperatively and postoperatively.

    • Main Results:

    • An average of 2000 ml of blood was reinfused per patient using the IAT system.
    • The mean hemoglobin level decreased by 2.8 g/dl postoperatively.
    • An average of 2 pints of banked blood were administered postoperatively.
    • Coagulation studies demonstrated minimal alterations before and after surgery.

    Conclusions:

    • The Bentley ATS 100 system is a viable option for intraoperative autotransfusion in complex aortic surgery.
    • IAT can reduce the need for banked blood, though some postoperative transfusion may still be required.
    • Further evaluation is essential to establish IAT as a reliable alternative to banked blood, particularly in emergency situations like ruptured AAA or severe trauma.