Blood Conservation in Elective Surgery

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Abstract
Blood conservation for elective surgery involves both the reduction of blood loss and the reduction of homologous blood transfusion. Methods of reducing blood loss such as the use of tourniquets, vasoconstrictor drugs, regional anaesthetic supplements and hypotensive anaesthesia are considered briefly. Preoperative and intraoperative techniques of autotransfusion and haemodilution are considered in detail, including a technique of scavenging and reinfusing blood aspirated from the surgical site.

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