1Randolph AG,Cook DJ,Gonzales CA. Benefit of heparin in peripheral venous and arterial catheters:systematic review and meta-analysis of ran-domized controlled trials[J].British Medical Journal,1998,(7136):969-975.
2Goode CJ,Titler M,Rakel B. A meta-analysis of effects of heparin flush and saline flush:quality and cost implications[J].Nursing Research,1991,(06):324-330.
3Whitta RK,Hall KF,Bennetts TM. Comparison of normal or heparinised saline flushing on function of arterial lines[J].Crit Care Resusc,2006,(03):205-208.
4Kulkarni M,Elsner C,Ouellet D. Heparinized saline versus normal saline in maintaining patency of the radial artery catheter[J].Can J sung,1994,(01):37-42.
5Tuncali BE,Kuvaki B,Tuncali B. A Comparison of the efficacy of heparinized and nonheparinized solutions for maintenance of perioperative radial arterial catheter patency and subsequent occlusion[J].Anesthesia and Analgesia,2005,(04):1117-1121.