Hong Kong Journal of Nephrology

Volume 5 Number 2, 2003
Abstract

Endovascular Intervention for Renal Artery Stenosis in Renal Transplant

Philip C.H. Kwok

Renal artery stenosis occurs in 1% to 16% of adult renal transplant recipients. Revascularization improves renal function and leads to better blood pressure control. Angioplasty is usually attempted first. A vascular stent is used if there are complications with angioplasty or if there is recurrent stenosis after repeated angioplasty. Complications of angioplasty or stent insertion, though rare, may have severe consequences and lead to graft loss. In-stent restenosis is a major concern with the use of vascular stents. [Hong Kong J Nephrol 2003;5(2):73-7]

Key words: kidney transplantation, renal artery stenosis, angioplasty, stents, complications

在腎臟移植接受者中,術後腎動脈狹窄的發生率約在1-16%之間。對於這類病人,血管的再疏通(revascularization)可帶來腎功能的改善,並有助於血壓的控制。一般建議,血管成型術(angioplasty)是首先的選擇;血管支架(stent)的植入,則通常保留給出現併發症的血管成型術接受者、或在重複的血管成型術後出現再狹窄的病人。血管成型術或支架植入術的併發症雖然罕見,但卻可能會造成嚴重的後果甚至植入腎臟的喪失。另外,在血管支架的植入術中,支架內發生的再狹窄亦是一個備受關注的問題。


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