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総胆管結石の治療における内視鏡的乳頭切開術の役割を,その長期予後の判明と腹腔鏡下手術の普及に鑑み再検討した.内視鏡的乳頭切開術後10年以上の長期経過例(平均167か月)477例(予後判明446例)の解析によると,再発結石は446例中12.6%と高率にみられ,色素石灰石例で15.7%,コレステロール石例で6.3%と前者で高い傾向があったが,有意差はなかった.再発結石はすべて色素石灰石で,上行性胆道感染の関与が疑われた.したがって,特に長期の生命予後が見込まれる症例では,胆嚢由来と思われる胆管結石は内視鏡的乳頭切開術を避け,可能な限り腹腔鏡下切石術によって除去すべきであることが示唆された.
With recent advances in laparoscopic techniques, laparoscopic choledocholithotomy has joined the ar-mamentarium for the treatment of common bile duct stones. The role of endoscopic sphincterotomy (EST) in the era of laparoscopic choledocholithotomy was reappraised in view of the long-term results of the procedure. Of 477 patients who underwent EST more than 10 years previously (mean 167 months), follow -up data was available in 94%, 446 patients. Group I consisted of 234 patients who had undergone cholecys-tectomy before ES. Group II was comprised of 212 patients with an intact gallbladder.
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