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( Jin Gook Huh ),( Jung Hwan Lee ),( Won Cheol Jang ),( Kyung Sun Ok ),( Tea Yeob Jeong ),( Soo Hyung Ryu ),( You Sun Kim ),( Jeong Seop Moon ) 대한소화기학회 2007 SIDDS Vol.9 No.-
Background/Aims: Pancreatic pseudocysts are caused by complications of patients with pancreatitis or pancreatic trauma including recent surgery. Asymptomatic pseudocysts require no treatment, but symptomatic pseudocysts should be decompressed. The management options include endoscopic, radiologic, surgical, and conservative treatment. Among these treatment, EUS-guided internal drainage is widely reported in multiple series, representing the experience of tertiary centers with special expertise. However, EUS-guided endoscopic drainage of post-operative pancreatic pseudocyst has not been reported as yet. We present a case of successful EUS-guided transgastric drainage of pancreatic pseudocyst complicated by distal pancreatectomy. Case: A 52-year-old man complained intermittent epigastric pain associated with dyspepsia during last 3 weeks. He had undergone distal pancreatectomy under the diagnosis of a pancreatic mucinous cystadenoma 4 months ago. The abdominal CT and MRI showed a 4.5×5.3 cm sized pseudocyst as the distal pancreatectomy sis and unclear communication with pancreatic duct. Transgastric drainage was performed by using linear array EUS. The cystotome dilator (Wilson Cook, Winston-Salem, NC, USA) was used to electrosurgically cannulate the gastric wall into a pancreatic pseudocyst and 10F double-pigtail plastic stent was placed through the cannulated channel. The drained fluid was dark brown color. Follow-up CT scan showed completely collapsed pseudocyst and the pigtail catheter was removed. At 6 months follow-up, there was no radiologic evidence of cystic recurrence and subjective symptom. Conclusions: With the advancement of EUS, endoscopic drainage of pancreatic pancreatic pseudocyst is an alternative to surgery because of its safety and efficacy. As our case, in the patient with post-operative pancreatic pseudocyst, EUS-guided internal drainage is very effective as a fist line therapy.
한창동(Chang-Dong Han),이승용(Seung-Yong Lee),장정호(Jeong-Ho Jang),이상군(Sang-Gun Lee),최준(Jun Choi),김태호(Tea-Ho Kim),정성원(Sung-Won Jung),이선엽(Seon-Yeob Li) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
전기방식이 실시되고 있는 상수도 관로는 관의 노후화, 코팅의 열화, 부적절한 방식시스템의 적용 및 타 시설물과의 간섭 등으로 부분적으로 방식전위 미달구간이 존재한다. 이러한 방식전위 미달구간에 대하여 토양환경 측정 및 방식소요전류량 산정, 간섭 시험 등을 통하여 토양환경은 부식이 '발생하는 구간' 및 '미약하게 발생'하는 구간으로 나타났다. 임시 가통전 시험을 통하여 방식소요전류량을 구할 수 있었다. 간섭영향 시험으로 간섭 여부 및 전식 발생지점을 추정할 수 있다. 현장 측정 결과와 설계기준을 바탕으로 적절한 전기방식 보강 계획을 수립하여 현장에 부분적으로 설치하였으며 방식상태를 분석하였다. 단순히 설계된 소요전류량만을 증가시키는 방안보다 부분적인 방식보강 및 주변 배관 상태를 고려하여 적절한 통합 방식방안을 적용하는 것이 더 효율적인 것으로 나타났다.