Objective To investigate the clinical effects of self-designed lookup table on controlling the infusion time and dripping speed in intravenous infusion among the elderly patients with chronic heart failure ( CHF). Methods A randomized controlled clinical trial was conducted from September 2012 to June 2013.A total of 600 elderly patients with CHF receiving intravenous therapy in Yangpu Hospital , Tongji University were random-ly and equally divided into three groups:the lookup table group ( the infusion lookup table was used to control the infusion time and dripping speed ) , infusion pump group ( the infusion pump was used ) and control group ( formula calculation method was used ) .The time of adjusting infusion time and dripping speed , the medical and nursing satisfaction rate , and the rate of nurse-patient dispute among three groups were compared .Results The time of adjusting dripping speed was significantly less in the lookup table group compared with the other two groups (P<0.05).The rate of nurse-patient dispute was lower and the medical and nursing satisfaction rate was higher in the lookup table group than those in the control group (P<0.05).Conclusion The use of self-designed infusion lookup table can quickly and accurately show the dripping speed , reduce the time of ad-justing dripping speed , and avoid miscalculations in clinical practice .It can improve the infusion safety and nursing efficiency .%目的：探讨自制输液滴速查对表在老年慢性心力衰竭患者静脉输液中的应用效果。方法选取2012年9月-2013年6月在同济大学附属杨浦医院心内科输液的老年慢性心力衰竭患者600例，随机分为查对表组、输液泵组和常规组各200例。查对表组采用自制输液滴速查对表调整输液速度；输液泵组采用输液泵调整输液速度；常规组采用公式计算方法调整输液速度。观察比较3种方法控制输液速度所需的时间、医护满意情况和护患纠纷发生情况。结果查对表组调整静脉输液速度所需的时间明显少于输液泵组和常规组（P＜0．05）；查对表组的护患纠纷发生情况显著少于常规组（P＜0．05），医护满意情况较常规组明显提高（P＜0．05）。结论自制输液滴速查对表可快速、准确查出静脉输液滴速，节省护士调整输液速度时间，避免在临床操作中使用公式计算发生的错误，提高了静脉输液的安全性和护理工作效率。
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