tailieunhanh - Clinical Transfusion Medicine - part 2

Bệnh nhân phù hợp và không phù hợp với hiến predeposit tự thân I. Tự chọn 1. Cụ chỉnh hình hoặc phẫu thuật tiết niệu 2. Phẫu thuật tim mạch hoặc tự chọn 3. 'Tự chọn' bụng thủ tục (ví dụ như đại trực tràng phẫu thuật) II. | Autolo gous Blood Pro ducts 19 Procedures and Types of Products Component Volume mls Shelf Life a Predeposit Autologous Donation PAD Whole blood Red Cell Component Sometimes Plasma Cryoprecipitate or fibrin glue cryopreserved platelets 525 350 35 days 41 days b Preoperative Hemodilution Whole blood 475-565 8 hours or Preoperative Apheresis Platelets Plasma 180-400 8 hours c Intraoperative Salvage Processed or Unprocessed Red Blood Cells variable 8 hours d Post Operative Salvage Red Blood Cells variable e Stem Cell Products Bone Marrow Peripheral Blood Physical State Liquid Red Cells Platelets Frozen Plasma Cryopreserved Platelets Fig. . Autologous blood products Source patients requiring surgical medical treatment Table . Patients suitable and unsuitable for predeposit autologous donation I. Elective 1. Orthopedic or urologic surgery 2. Elective vascular or cardiac surgery 3. Elective abdominal procedures . colorectal surgery II. Performed primarily to allay anxiety but unlikely to be of value 1. Obstetrical patients 2. Prior to minor cosmetic procedures or minor surgery . lumpectomy acute myelogenous leukemia in anticipation of use during consolidation therapy or subsequent bone marrow transplantation. PREOPERATIVE HEMODILUTION OR PREOPERATIVE APHERESIS Preoperative hemodilution or preoperative apheresis is essentially the same type of procedure. Anticoagulated blood is collected immediately before . within 2 hours a surgical procedure. The end product of preoperative hemodilution is a 20 Clinical Transfusio n Medicine unit of unprocessed whole blood in CPD as anticoagulant. Preoperative apheresis 3 is a procedure in which blood components most commonly platelets but sometimes plasma are collected preoperatively with the intention of transfusion usually towards the end of the surgical procedure. Examples of components collected in this category are platelets collected prior to cardiac surgery with the intent of reinfusion immediately subsequent to .