arteriovenous fistula stenosis
Conditions
Interventions
control group (minimum luminal diameter=5mm):None
Sponsors
Beijing Haidian Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. Age >=18 and <=85 years; 2. The patient's AVF is mature and has successfully completed hemodialysis at least once; 3. The target lesion is located in the AVF outflow vein and the venous-side anastomosis; 4. Ultrasound or angiography assesses a hemodynamically significant AVF outflow vein stenosis of , and any of the following clinical symptoms or indicators are present: markedly elevated venous pressure during dialysis, abnormal physical examination, decreased pump-controlled blood flow, reduced dialysis adequacy, arterial blood flow or a decrease of compared with the previous follow-up; 5. The target lesion is a primary or restenotic lesion, consisting of one or more tandem lesions; 6 The patient voluntarily signs an informed consent form.
Exclusion criteria
Exclusion criteria: 1. Patients who have undergone major surgical treatment within 30 days prior to enrollment in the study; 2. Calcified lesions that are expected not to be dilatable with a balloon; 3. Patients with mural thrombus at the site of luminal stenosis; 4. Target lesions located in a feeding artery or an arterial anastomosis; 5. Patients with an expected life expectancy of less than one year; 6. Patients who have received a kidney transplant, are scheduled to receive a kidney transplant, or are switching to peritoneal dialysis; 7. Vascular access infection or active systemic infection; 8. Presence of other medical conditions that, in the investigator's judgment, make the patient unsuitable to participate in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| primary patency rate of the target lesion at 6 months postoperatively; | — |
Secondary
| Measure | Time frame |
|---|---|
| primary patency rate of the target lesion at 12 months postoperatively; | — |
Countries
China
Contacts
Public ContactLihong Zhang
Beijing Haidian Hospital
Outcome results
None listed