慢性肾衰患者常伴有出血倾向，给血造带来一定的危险性，在血透过程中必须使用抗凝剂来防止透析器和血液管路凝血，保证透析顺利进行，肝素是常用的抗凝剂，使用常规剂量的肝素，有导致出血的危险。我科血透室近三年来对686例次血透采用常规剂量的半量肝素，避免了出血，并未发 Chronic renal failure patients are often associated with bleeding tendency, to the blood to bring some of the dangers in the process of hemodialysis must use anticoagulants to prevent dialysis and blood clotting, to ensure the smooth progress of dialysis, heparin is commonly used anti- The coagulant, using conventional doses of heparin, has the risk of causing bleeding. My department hemodialysis room in the past three years to 686 cases of hemodialysis using conventional dose of half-dose of heparin to avoid bleeding and did not send