动静脉内瘘闭塞原因分析

目的：探讨动静脉内瘘（AVF）闭塞原因。方法：对83例建立永久性AVF并作维持性血液透析患者进行回顾性对照分析，以了解AVF闭塞的情况及其原因。结果：发现25例次AVF闭塞，其中因肾移植弃用者11例次，压迫时间过长者6例次，原发病为糖尿病者4例次，低血压者3例次，原因不明者1例次。结论：动静脉内瘘闭塞与患者的原发病，内瘘使用，保护不当以及全身情况有着密切的关系。

Study the reasons of arteriovenous fistula (AVF) obturation

Objective: To analyze the obturated reason of AVF.Methods: 83 cases of perpetual AVF were made on stable hemodialysis patients ,a retrospective analysis was performed to study the causes of AVF obturation .Results: There were 25 patients whose AVF had been obturated; 11 patients'AVF were abandoned because of kidney transplantation;6 patients'AVF were oppressed for too long ;4 patients had previous Diabetes ;3 patients were lower blood pressure;1 patient abandoned AVF for unknowed reasons. Conclusion: The reasons of AVF obturation connected with the patients, previous illness?the use of AVF?unsuitable protection and the situation of the whole body closely.