Nonocclusive Mesenteric Ischemia That Developed during Redo-double Valve Replacement Surgery, and This Was Caused by Acute Aortic Dissection

이중판막 재치환술 시 발생한 급성 대동맥 박리증으로 인한 비폐쇄성 장간막 허혈

  • Lee, Sak (Department of Thoracic and Cardiovascular Surgery, Severance Hospital, Yonsei University College of Medicine) ;
  • Song, Suk-Won (Department of Thoracic and Cardiovascular Surgery, Kangnam Severance Hospital, Yonsei University College of Medicine) ;
  • Cho, Sang-Ho (Department of Thoracic and Cardiovascular Surgery, Severance Hospital, Yonsei University College of Medicine) ;
  • Song, Seung-Jun (Department of Thoracic and Cardiovascular Surgery, Severance Hospital, Yonsei University College of Medicine) ;
  • Kim, Kwan-Wook (Department of Thoracic and Cardiovascular Surgery, Severance Hospital, Yonsei University College of Medicine) ;
  • Chang, Byung-Chul (Department of Thoracic and Cardiovascular Surgery, Severance Hospital, Yonsei University College of Medicine)
  • 이삭 (연세대학교 의과대학 세브란스병원 흉부외과학교실) ;
  • 송석원 (연세대학교 의과대학 강남세브란스병원 흉부외과학교실) ;
  • 조상호 (연세대학교 의과대학 세브란스병원 흉부외과학교실) ;
  • 송승준 (연세대학교 의과대학 세브란스병원 흉부외과학교실) ;
  • 김관욱 (연세대학교 의과대학 세브란스병원 흉부외과학교실) ;
  • 장병철 (연세대학교 의과대학 세브란스병원 흉부외과학교실)
  • Published : 2009.04.05

Abstract

Nonocclusive mesenteric ischemia (NOMI) is a rare complication that occurs in about 0.05% of patients after openheart surgery, and NOMI refers to the mesenteric ischemia that's caused by splanchnic vasospasm without occlusion of the great intestinal vessels. In the presently reported case, NOMI developed to maintain the blood flow to the heart and brain after several minutes of a hypotensive status and the latter was caused by acute aortic dissection that complicated an aortic cannulation procedure. Unfortunately, the patient died even though the problems were diagnosed early and proper treatment was administered. Early diagnosis of NOMI by angiography and the selective infusion of vasodilators are thought to be the only way to improve survival for patients with clinically suspected NOMI.

비폐쇄성 장간막 허혈(nonocclusive mesentericic ischemia, NOMI)은 개심술 후 약 0.05%에서 발생하는 아주 드문 합병증으로 주요 장 혈관의 폐색 없이 내장 말초 혈관의 심한 혈관 경련(vasospasm)에 의해 장 허혈이 발생하는 것을 일컫는다. 본 증례에서는 상행 대동맥을 통한 동맥관 삽입시 발생한 급성 대동맥 박리로 수분간의 저혈압 상태에서 상대적으로 중요한 심장과 뇌의 혈류를 유지하기 위한 장 혈관의 수축으로 NOMI가 발생한 경우로 비교적 빠른 진단과 치료가 이루어졌음에도 장 경색으로 진행되어 사망하였다. 임상적으로 NOMI가 의심되는 경우 조기 진단 및 치료만이 생존률을 높일 수 있으므로, 빠른 대동맥 조영술 및 혈관 확장제의 선택적 주입이 필요할 것으로 생각된다.

Keywords

References

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