Vascular Access Monitoring and Surveillance in Hemodialysis Patients

혈액투석 환자에서 혈관통로 기능이상에 대한 추적관리

Kim, Young-Ok
김영옥

  • Published : 20081100

Abstract

1. 향후 혈액투석을 받을 예정인 만성신부전증 환자는 가급적 CKD stage 4단계 (사구체여과율 30 mL/min/1.73m2) 에서부터 신장내과 전문의에게 조기 의뢰하여 혈관관리를 시작해야 한다. 수술부위에서 동맥 및 정맥 주사기 천자를 피하고 등척성 팔운동을 교육하여 혈관 발달을 유도해야 한다. 2. 가급적 도관 사용을 최소화 하기 위해 수술 시기를 동정맥루는 첫 투석이 예상되는 시점에서 6개월, 동정맥이식편은 3-6주 이전으로 정하는 것을 원칙으로 하나 혈관상태가 양호한 환자에서는 다소 늦게 시행할 수 있다. 3. 동정맥루 첫 주사기 천자는 가급적 rule of 6에 부합하는지를 확인한 후에 시행하는 것이 좋으나 도플러 초음파 검사가 어려운 경우에는 정기적인 시진, 청진, 촉진 등의 이학적 검사를 통하여 기능이상을 조기에 찾아내는 것이 중요하다. 4. 이학적 검사 외에 객관적이고 정확한 검사방법에는 정적인 정맥압 (SIAPR)과 도플러초음파 검사 혹은 초음파희석법을 이용한 혈류량 측정이 있다. 가급적 두 방법 중에 한가지 이상을 이용하는 것이 정확도를 높이는데 도움이 된다. 5. 동정맥루 기능이상이 의심되면 최종 검사로 정맥조영술을 시행하여 협착증이 발견되면 외과적 수술에 앞서 혈관확장술을 시행한다.

Keywords

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