Abstract
Objective:To explore the effect of renal fascia dilator with scale on learning curve of percutaneous nephroscope lithotripsy (PCNL).Methods: 60 cases of patients with nephrolith underwent PCNL in our hospital from March 2012 to December 2014 were selected, and divided into 6 groups (A, B, C, D, E, F group), according to treatment sequence, with 10 cases in each group. In all patients, renal fascia dilator with scale were used to establish nephroscope channels, the channel setting time and operation time, stone clearance rate, etc. in each group were recorded, and the change on the learning curve were observed.Results: The channel were successfully established in 52 cases, channel was a bit shallow in 8 cases, and established after continued expansion. And there was no bleeding and no peripheral viscera injury. The channel setting time, operation time of group A, B, C were significantly longer than that of group D, E, F, and the differences were statistically significant (F=5.962, 7.013,P<0.05), and channel setting time, operation time between group A, B, C were significantly different (channel setting time:tAB=4.385, tAC=5.018,tBC=4.279,P<0.05; operation time;tAB=5.219,tAC=11.306,tBC=8.253,P<0.05), but there was no significant difference among the group D, E and F (channel setting time:tDE=0.109,tDF=0.011,tEF=0.123,P>0.05; operation time:tDE=0.182,tDF=0.012,tEF=0.297,P>0.05); stone clearance rate of six groups were not significantly different (x2=1.895,P>0.05).Conclusion: In PCNL practice, the work channel is established using renal fascia dilator with scale, the technology of physicians becomes stability after 30-40 cases of surgery, and the learning curve is shorten compared with traditional methods. It is worth popularizing in application.关键词
肾结石/经皮肾镜碎石/筋膜扩张器/刻度/学习曲线Key words
Nephrolith/Percutaneous nephroscope lithotripsy/Fascia dilator/Scale/Learning curve分类
医药卫生
