Hemodialysis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Age 18-80 years old. (2) All of them were mature RCAVF and stenosis at least 3 times.(3) All patients with type I stenosis (stenosis occurring at arteriovenous anastomosis and within 2cm of anastomosis) were selected. (4) It is consistent with the AVF stenosis intervention indication in the Expert Consensus on Vascular Access for hemodialysis in China (2nd edition) (The local stenosis rate exceeding 50% of nearby normal vascular diameter accompanied by the following conditions: internal fistula natural blood flow < 500mL/min; Can not meet the blood flow required for dialysis; Increased dialysis venous pressure; Puncture difficulty; Decreased dialysis adequacy; And abnormal signs of internal fistula (decreased or disappeared anastomotic tremor, high distal venous tension, pulsation, etc.).
Exclusion criteria
Exclusion criteria: (1) Patients with heart function grade IV, left ventricular ejection fraction less than 30%, and serious dysfunction of heart and brain and other important organs. (2) Malignant tumors. (3) Severe liver disease. (4) Internal fistula infection. (5) Patients with vascular disease and vascular variation before surgery. (6) The application of drug balloons, cutting balloons or other special types of balloons. (7) Patients with mental abnormalities and cognitive disorders who are unable to cooperate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| target lesion primary patency;target assisted primary patency;target lesion secondary patency;brachial artery blood flow;stenosis diameter; | — |
Secondary
| Measure | Time frame |
|---|---|
| technical success rate;clinical success rate;major complications;risk factors affecting patency of target lesions; | — |
Countries
China
Contacts
Shanxi Bethune Hospital,Shanxi Academy of Medical Sciences