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بسم الله الرحمن الرحيم

بسم الله الرحمن الرحيم. Ahmad Shihada Silmi,Msc, FIBMS Lecturer of Haematology & Immunology Faculty of Science, IUG. Autologous Blood BY. Autologous Blood. Definition: An autologous donor is one who is donating blood for his or her own use. Types of Autologous Transfusion.

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بسم الله الرحمن الرحيم

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  1. بسم الله الرحمن الرحيم

  2. Ahmad Shihada Silmi,Msc, FIBMSLecturer of Haematology & Immunology Faculty of Science, IUG Autologous Blood BY

  3. Autologous Blood • Definition: An autologous donor is one who is donating blood for his or her own use.

  4. Types of Autologous Transfusion Pre operative donation. Acute normo-volumic hemodilution. Intra-operative salvage. Post operative salvage.

  5. Autologous Blood Autologous Transfusion Options • Preoperative collection • Blood is collected and stored prior to anticipated need. • Perioperative collection and administration • Acute normovolemic hemodilution: Blood is collected at the start of surgery and then infused during or after the procedure • Intraoperative collection: Shed blood is recovered from the surgical field or circulatory device then infused. • Postoperative collection: Blood is collected from the drainage devices and reinfused to the patient.

  6. Donor Criteria • Age – No age limits exist. • Weight – No strict weight limits exist. Must adjust volume of anticoagulant for donors under 50 Kgs • Hemoglobin and hematocrit – Hemoglobin should not be less than 11.0 gm/dl and hematocrit not less than 35.3%

  7. Autologous Blood • Each type of autologous transfusion has potential risks and benefits. • However, when feasible, the patient should have the option to use his or her own blood. • Patients who are to undergo a procedure that is likely to require transfusion who meet the donation criteria SHOULD be informed of the option for autologous donation/transfusion, including the risks and benefits.

  8. Advantages 1 Prevent transfusion TTDs 2 Prevent red cell allo-immunization 3 Supplements the blood supply in BTS 4 Provide soln. to patients with allo-antibodies 5 Prevent adverse transfusion reactions 6 Provide soln. to religious belief (Jehovah's witness)

  9. Disadvantages 1- Same risk of bacterial contamination 2- Costlier than allogenic blood 3- Wastage of blood, if not switched over. 4- Chances of unnecessary transfusion 5- Subjects patient to perioperative anemia & increase likelihood of transfusion

  10. Autologous Blood Donation

  11. Preoperative Autologous Blood Collection • Should be stable patients who are scheduled for a surgical procedure in which blood transfusion is probable. • Such as major orthopedic procedures, vascular surgery, cardiac or thoracic surgery and radical prostatectomy

  12. Special Patient Categories • Pediatric patients • Only with suitable volume modification (blood collected), parental cooperation and attention to preparation and reassurance • Patients with significant cardiac disease are considered poor risks • Serious consideration for women with alloantibodies to multiple or high incidence antigens, placenta previa, or other ante- or intrapartum hemorrhage.

  13. Preoperative Autologous Blood • Transmissible Disease Testing (HIV, HCV, HBV, etc.) • NOT required unless it is to be used for allogeneic transfusions

  14. Preoperative Autologous Blood Blood Bag Labeling • Must be labeled: “Autologous Donor” • If any testing is reactive on a current collection or within the last 30 days it must also be labeled “Biohazard” • Untested autologous units must be labeled “Donor Untested” • If the blood tested negative within the last 30 days it must be labeled “Donor Tested Within the last 30 Days”.

  15. Autologous Sticker

  16. The Process • Supplemental Iron • Supplemental iron should be prescribed by the requesting patients physician • Ideally prescribed before the collection of the first unit with sufficient time to allow for the patients marrow to reconstitute all or a significant portion of the donated RBC volume. • This is NOT usually the case, though.

  17. The Process • Collection • Request is made in writing by the requesting patients Physician • Request form is kept in the collecting facility • Should include name, unique identification number, number of units, surgical procedure, and physicians signature. • Schedule of Blood Collections • Depends on the number of units requested • As far ahead of the scheduled surgery as possible. Why?

  18. Donor Criteria • Frequency – Not more than every three days with the final donation completed at least 3 days before surgery. • Medical History – Should be tailored to the needs of the donor. Such as questions about medications, associated medical illnesses and cardiovascular risk factors.

  19. Pre-op Autologous Donation (3) Contraindications: 1 Evidence of infection and risk of bacteremia 2 Scheduled surgery to correct aortic stenosis 3 Unstable angina 4 Active seizure disorder 5 Myocardial infarction or CV accidents 6 Significant cardiac or pulmonary disease 7 Cyanotic heart disease 8 Uncontrolled hypertension 9 Malignant diseases

  20. How to collect Autologous Blood

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