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[Hematologic parameters in repeated autologous blood donation]
1Abt. für Transfusionsmedizin und Transplantationsimmunologie, Universität Hamburg.
Beitrage Zur Infusionstherapie = Contributions to Infusion Therapy
|January 1, 1990
Summary
Preoperative autologous blood donation, when initiated 4-6 weeks before surgery, optimizes red blood cell gain. This method effectively increases hemoglobin levels, potentially reducing the need for homologous blood transfusions.
Area of Science:
- Transfusion Medicine
- Hematology
Context:
- Autologous blood donation is a common practice for elective surgeries like cardiac procedures, hip replacements, and scoliosis correction.
- Patient age and specific surgical needs influence the feasibility and benefits of autologous blood programs.
Purpose:
- To evaluate hematological parameters and tolerance of a 6-week preoperative autologous blood donation regimen.
- To determine the net hemoglobin gain from autologous blood collection in a diverse patient age group.
- To assess the efficacy of additive solutions in maximizing autologous blood yield.
Summary:
- Initiating autologous blood donations 4-6 weeks prior to surgery, with ferrous sulfate supplementation, maximizes erythropoiesis and hemoglobin gain.
- Patients aged 12-68 undergoing surgery achieved mean hemoglobin increases of 141g (4 donations) and 231g (6 donations).
- Utilizing additive solutions like PAGGS mannitol facilitates the collection of up to six units of autologous blood, surpassing alternatives.
Impact:
- This optimized donation schedule enhances the 'net blood gain' from autologous procedures, equivalent to 2.5-4.1 units of red blood cells.
- The findings support the use of additive solutions for efficient autologous blood harvesting, improving patient blood management strategies.
- Early initiation of donation and appropriate supplementation are key for maximizing autologous blood benefits in surgical patients.