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Percutaneous Transgastric Stent Placement for Malignant Gastroduodenal Obstruction

악성 위십이지장 협착 환자에서의 경피적 위 경유 스텐트 설치

  • Bumsang Cho (Department of Radiology, Kosin University Gospel Hospital) ;
  • Gyoo-Sik Jung (Department of Radiology, Kosin University Gospel Hospital) ;
  • Jong Hyouk Yun (Department of Radiology, Kosin University Gospel Hospital)
  • 조범상 (고신대학교 복음병원 영상의학과) ;
  • 정규식 (고신대학교 복음병원 영상의학과) ;
  • 윤종혁 (고신대학교 복음병원 영상의학과)
  • Received : 2019.06.11
  • Accepted : 2019.10.13
  • Published : 2020.09.01

Abstract

Purpose To evaluate the technical feasibility and clinical efficacy of percutaneous transgastric stent placement after the failure of treatment attempt with the transoral approach in malignant gastroduodenal obstruction patients. Materials and Methods From October 2008 to April 2016, nine patients (M:F = 4:5; mean age = 66 years) with malignant gastroduodenal obstruction underwent stent placement via a gastrostomy tract, which was attributed to the failure of the transoral approach. The primary etiologies of the obstruction were pancreatic (n = 5), gastric (n = 2), and metastatic (n = 2) cancers. Through percutaneous gastrostomy, dual stents (inner bare metal and outer polytetrafluoroethylene-covered) were deployed at the obstruction site. The technical and clinical success rates, as well as complications were evaluated during the follow-up period. Results Stents were successfully inserted in eight patients (88%). We failed to insert stent in one patient due to the presence of a tight obstruction. After stent placement, symptoms improved in seven patients. Gastrostomy tube was removed 9 to 20 days (mean = 12 days) after the stent insertion. During the mean follow-up of 136 days (range, 3-387 days), one patient developed a recurrent symptom due to tumor overgrowth. However, there were no other major complications associated with the procedure. Conclusion Percutaneous transgastric stent placement appeared to be technically feasible and clinically effective in patients who underwent a failed transoral approach.

목적 수술이 불가능한 악성 위십이지장 협착 환자에서 구강 경유 스텐트 설치술 실패 시 경피적 위 경유 스텐트 설치술의 기술적 타당성과 임상적 효용성에 대해 알아보았다. 대상과 방법 이 연구는 2008년 10월부터 2016년 4월까지 악성 위십이지장 협착이 있는 환자 중, 구강 경유 스텐트 설치술이 어렵거나 실패하여 위 경유 스텐트 설치술을 시행한 9명의 환자를 대상으로 하였다. 환자는 췌장암 5명, 위암 2명, 전이암 2명이었다. 경피적 위루술(percutaneous gastrostomy) 후, 이 경로를 통해 이중 팽창성 스텐트를 협착 부위에 설치하였다. 기술적, 임상적 성공률과 합병증에 대해 조사하였다. 결과 기술적 성공률은 8명의 환자에서 성공적으로 설치되어 88%였다. 1명의 환자에서는 협착 부위로 유도 철사가 통과되지 않아 실패하였다. 스텐트 설치 후, 7명의 환자에서 증상의 호전을 보여 임상적 성공률은 87.5%였다. 위루관은 9~20일 후(평균 12일) 제거되었다. 시술과 관련된 주요 합병증은 발생하지 않았다. 평균 추적관찰 기간은 136일(범위, 3~387일)이었고, 1명의 환자에서 스텐트 원위부에 종양의 과성장에 의한 재협착이 발생하였다. 결론 수술이 불가능한 악성 위십이지장 협착 환자에서 구강 경유 스텐트 설치술에 실패한 경우 경피적 위 경유 스텐트 설치술은 기술적으로 어렵지 않고 임상적으로 효과적인 치료 방법으로 생각된다.

Keywords

References

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