arteriovenous graft nonfunction
Conditions
Interventions
scoring balloon group:scoring balloon PTA
high pressure balloon group:high pressure balloon PTA
Sponsors
Beijing Haidian Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. Hemodialysis patients with age >=18 years old and 50%, and one of the following clinical symptoms or indicators is present at the same time: significant increase in venous pressure during dialysis, abnormal physical examination, decreased pump-controlled blood flow, decreased dialysis adequacy, brachial artery blood flow < 600ml/min or decreased by 25% compared with the previous follow-up; 5. Stenotic lesions are primary or restenosis, consisting of one or more tandem lesions, and the reference vessel diameter of the target lesion is between 4.0-8.0mm, and the total length of the target lesion is <=80mm; 6. If there is a thrombosis, the thrombus spreads to the autologous vein < length of 10cm and there is no obvious tumor-like expansion of the autologous vein; 7. Patients voluntarily sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1.Stenotic lesion located in the feeding artery, arterial anastomosis, cephalic arch, thoracic outlet, or central vein. 2.Any stent previously implanted anywhere in the access circuit or the presence of ipsilateral central vein stenosis or occlusion affecting access function. 3.Severely calcified lesion anticipated to be non-dilatable with a balloon. 4.Chronic total occlusion (CTO) of the AVG at the time of enrollment. 5.Stenotic lesion or any part of the vascular access has undergone percutaneous transluminal angioplasty (PTA) treatment within the past month. 6.Presence of a significant accessory vein at the venous ostium of an end-to-side anastomosis. 7.Patient has undergone major surgical treatment within 30 days prior to enrollment. 8.Patient is currently receiving corticosteroid or immunosuppressive therapy. 9.Patient has a life expectancy of less than 1 year. 10.Patient is scheduled for a kidney transplant or plans to switch to peritoneal dialysis. 11.Patient has other medical conditions (e.g., active infection) that, in the investigator's judgment, make participation in this study unsuitable.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative 6-month primary patency rate of the access; | — |
Countries
China
Contacts
Public ContactLihong Zhang
Beijing Haidian Hospital
Outcome results
None listed