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目的 探讨肾下盏肾盂夹角对SWL治疗肾下盏结石效果的影响。 方法 1998年 1月～ 2 0 0 4年 1月采用冲击波碎石治疗肾下盏结石 2 6 3例 ,选择单发结石直径在 0 .5cm～ 1.5cm之间、肾下盏长度 <3cm以及盏颈宽度≥ 5mm的 4 2例作为研究对象 ,其中肾下盏肾盂夹角≥ 90°者 2 7例 ,肾下盏肾盂夹角 <90°者 15例。 结果 3个月后复查 ,4 2例患者总结石排净率为 76 % ,肾下盏肾盂夹角≥ 90°的结石排净率为 85 .2 % ,肾下盏肾盂夹角 <90°的结石排净率为 4 6 .7% ,两组比较有统计学差异(P <0 .0 5 )。 结论 肾下盏肾盏夹角对SWL治疗肾下盏结石的疗效有影响 ,肾下盏肾盂夹角≥ 90°者明显优于肾下盏肾盂夹角 <90°者。
Objective To investigate the effect of angle of renal pelvis and renal pelvis on SWL treatment of lower calyx stones. Methods From January 1998 to January 2004, 263 cases of inferior calyceal calculus were treated with shock wave lithotripsy. The diameter of single calculus was between 0.5cm and 1.5cm, the length of lower kidney was less than 3cm, Neck width ≥ 5mm in 42 cases as the research object, including the renal pelvis renal pelvis angle ≥ 90 ° in 27 cases, renal pelvis angle <90 ° in 15 cases. The results of 3 months after the review, 42 cases of patients with a total stone removal rate was 76%, renal pelvis renal pelvis angle ≥ 90 ° stone removal rate of 85.2%, renal pelvis angle <90 ° The stone removal rate was 46.7%, there was a significant difference between the two groups (P <0.05). Conclusions The angle of the lower kidney calyx has an effect on the curative effect of SWL in the treatment of lower calyx stones. The angle of the renal calyx renal pelvis ≥ 90 ° is better than that of the lower renal pelvis.