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- 저자 : 정연수(Yon-Su Jeong) (검색결과 2 건)
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담도 배액관 유도 유두부 절개술 : 난해한 유두부주위 게실 및 위 부분절제술 환자에서
김현수,김광현,백순구,권상옥,이동기,정연수 대한소화기내시경학회 2000 Clinical Endoscopy Vol.20 No.1
Background/Aims: Patients with a congenitally or surgically altered anatomy such as a large diverticulum in which an ampullary orifice exists or a Billroth-II gastrectomy, have an increased complication rate after endoscopic sphincterotomy (EST) compared to normal anatomies. An experience involving a stent-guided sphincterotomy using an endoprosthesis is herein reported. Methods: 10 patients with a Billroth-II gastrectomy and 9 patients with a large diverticulum received a stent-guided EST. In the diverticula cases, all the ampullary orifices were located either inside the diverticulum or in an unusual position. All patients had common bile duct stones and symptoms of cholangitis. After a 0.035 inch guide wire was inserted through the side-viewing duodenoscope, a 10 Fr. endoprosthesis (MTW, Germany) was inserted and a needle-knife sphincterotome was introduced. In patients with a Billroth-II anatomy, the incision was made from the papillary orifice of the 12 o'clock position toward 6 o'clock. In patients with periampullary diverticula, the incision was made with sweeps of the needle-knife in a 6 to 12 o'clock direction. The cautery current was applied to the mucosa along the stent and the stent was retrieved by a polypectomy snare through the biopsy channel without removal of an endoscope. Results: Among the 19 patients, the guide wire and stent insertion were possible in all except one patient due to the inability of selective cannulation. An EST was performed in all patients after stent insertion. There were no serious complications during and after the stent-guided EST except for two minor bleedings which were treated with a coagulation current using the needle-knife. Consequently, complete endoscopic stone removal was achieved in all patients including three patients in whom a mechanical lithotriptor was needed. Conclusions: In stent-guided EST, the stent not only guides the adequate direction of the incision but also allows a controlled incision under a favorable visual field. Therefore, blind cutting and exploration during EST can be avoided and successful EST is possible even in difficult situations such as that created by an altered anatomy.
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