Endopyelotomyの臨床経験

Abstract

腎盂尿管移行部狭窄症13腎に対して施行したendopyelotomyの結果ついて検討した結果, 先天性腎盂尿管移行部狭窄症に対する成功率は高かったが, 2次性腎盂尿管移行部狭窄症に対する成功率が, 諸家の報告に比べて低かった。この原因として狭窄部尿管の状態が悪い症例が多かったことが考えられた

From July 1986, percutaneous endopyelotomy was performed on a total of 12 patients (13 kidneys) including 8 males and 4 females with ureteropelvic junction (UPJ) obstruction. Of the 13 kidneys, 9 had primary UPJ obstruction and 4 had secondary UPJ obstruction. A rigid urethrotome (cold knife) was employed in 12 cases and a flexible electorotome (hot knife) in one case. A stent ureteral catheter was placed for 3 to 31 weeks after the procedure. The outcome was evaluated by radiography and urodynamic examinations. A successful outcome was obtained in 8 of 9 kidneys with primary UPJ obstruction and in 1 of 4 kidneys with secondary UPJ obstruction. These findings suggest that percutaneous endopyelotomy is useful in the treatment of primary UPJ obstruction.