一個成熟且有功能的透析血管通路是一個血液透析病人的生命線。目前使用動靜脈通路(atriovenous access),包含自體動靜脈瘻管(A-V fistula)與人工動靜脈瘻管(A-V graft)的比率逐漸上升。動靜脈通路最常見的併發症為狹窄(stenosis),進一步導致栓塞(thrombosis)而致失效。而對於血管通路的臨床檢查(clinical survey)有很多種方法,包括測量血流,測量壓力,或是測量再循環(recirculation)的比例等等。各種方法各有其優缺點,截至目前為止無法證明何種為最有效的檢查方式。此外維持一個血管通路的有效性需仰賴跨領域多重面向的合作。
A mature and functional hemodialysis vascular access is a hemodialysis patient's lifeline. The use of arteriovenous access which includes A-V fistula and A-V graft increases gradually. The most common complication of arteriovenous access is stenosis, and it could progress to thrombosis and then results in vascular access failure. There are plenty of methods for clinical survey for vascular access, which include blood flow measurement, venous pressure measurement, and recirculation, etc. Every method has its strengths and weaknesses. There is no method approved as the most efficacious one so far yet. Besides, vascular access surveillance and maintenance need multi-discipline cooperation.