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【目的】探讨离心方向静脉穿刺在长期静脉输液难以穿刺老年患者中的应用效果。【方法】选择在神经内科长期静脉输液难以穿刺的老年患者281例，采用自身对照法，由同一个护士在同一个患者的身上，单双日交替实施常规静脉穿刺法和离心方向静脉穿刺法，比较其疼痛程度及一针穿刺成功率及输液成功率。【结果】长期静脉输液难以穿刺的老年患者采用离心静脉穿刺法，疼痛程度明显降低，一次穿刺成功率明显提高（ P ＜0．05）。【结论】离心方向静脉穿刺法能有效降低长期静脉输液难以穿刺老年患者的疼痛程度，一次穿刺成功率明显提高。“,”Objective]To explore the clinical feasibility and effects of venipuncture .[Methods]A total of 281 patients underwent venipuncture .The self‐control method was employed .Normal venipuncture was car‐ried out in odd days and centrifugal venipuncture in even days in a same patient .The one‐time success rates of puncture were compared .[Results]The centrifugal venipuncture had a higher one‐time success rate than the normal method ( P < 0 .05) .[Conclusion]For elder patients ,the effect of centrifugal venipuncture is fair . And its one‐time success rate is boosted greatly .