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[Blood substitution in aorto-iliac surgery]
1Klinik für Herz- und Gefässchirurgie, Universitätsspital Zürich.
Helvetica Chirurgica Acta
|May 1, 1992
Summary
Autologous transfusion strategies can significantly reduce or eliminate the need for homologous blood transfusions in elective infrarenal aortic surgery. This approach is crucial for managing blood loss in complex aortic procedures.
Area of Science:
- Vascular Surgery
- Transfusion Medicine
- Surgical Outcomes
Context:
- Retrospective analysis of 68 patients undergoing infrarenal abdominal aorta surgery.
- Patients included those with aortic aneurysm (55) and occlusive disease (13).
- Emergency surgery for ruptured abdominal aortic aneurysms (21 patients) showed a 19% early mortality rate.
Purpose:
- To evaluate blood substitution requirements in infrarenal aortic surgery.
- To compare transfusion needs between ruptured and elective abdominal aortic aneurysm repair.
- To identify determinants of blood loss in elective aortic surgery.
Summary:
- Mean transfusion requirements for ruptured abdominal aortic aneurysm repair were significantly higher: 18 units red cells and 16 units fresh frozen plasma (FFP).
- Elective surgery patients required fewer transfusions: 5 units red cells and 2 units FFP.
- Key factors influencing blood loss in elective cases included the number of anastomoses and preoperative coagulation status.
Impact:
- Homologous transfusion can be virtually eliminated in elective infrarenal aortic surgery through autologous transfusion techniques.
- Autologous transfusion concepts include predonation, intraoperative salvage, hemodilution, and plasmapheresis.
- Implementing autologous transfusion strategies can improve patient safety and resource management in vascular surgery.