SIEMENS LITHOSTAR(C-tube)による尿路結石に対する体外衝撃波結石破砕術の治療経験

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SIEMENS LITHOSTAR (C-tube)を用いて,'92年4月から'93年4月まで51例の上部尿道結石患者の体外衝撃波(ESWL)単一療法を施行した。3ヵ月後のX線で24例(47%)で結石は消失し,22例(43%)で結石は4mm以下に粉砕された。治療直後砕石効果無しと判定された12例中3ヵ月後に4mm以下に粉砕された例が9例存在した。また難治例について報告したWe performed extracorporeal shock wave lithotripsy (ESWL) monotherapy on 51 patients with upper urinary tract stones using a Siemens Lithostar (C-tube) from April 1992 to April 1993. On the x-ray film obtained three months after the final ESWL treatments, 24 patients (47%) were free from stone concrements and 22 (43%) had stone fragments less than 4 mm. The over-all success rate was therefore 90.2%. No severe side effects were observed. We also examined the relationship between the degree of fragmentation seen on the immediate post-ESWL x-ray and stone status at 3 months. There was no significant correlation between them and the post-ESWL x-ray did not reflect the stone status at three months. In our experience, ESWL monotherapy using a Siemens Lithostar (C-tube) was a safe and effective treatment for upper urinary tract stones.