Arteriovenous fistula stenosis
Conditions
Interventions
Experimental Group:The stenosis site of arteriovenous fistula was dilated by percutaneous balloon under ultrasound
Sponsors
The First Affiliated Hospital of Nanchang University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Patients treated with stable dialysis for arteriovenous fistula; 2.Older than 18 years old, regardless of gender; 3.Color Doppler angiography showed local stenosis exceeding 50% of the normal vascular diameter accompanied by one of the following conditions: Natural blood flow of internal fistula < 500ml/min; The blood flow during dialysis was less than 200ml/min, and different degrees of puncture difficulty could not meet the demand of dialysis blood flow; The internal fistula tremor became smaller or disappeared, and the originally filled veins collapsed; 4.Participate in clinical research voluntarily and sign informed consent.
Exclusion criteria
Exclusion criteria: 1.History of PTA operation at the same internal fistula site; 2. Severe coagulation disorder (INR > 2.5 or platelet < 50×109/L); 3.Severe systemic infection, sepsis and sepsis are not effectively controlled; 4. Poor internal fistula flow due to large opening of nearby collateral vessels; 5. Patients with mental illness or history of mental illness; 6. Pregnant women, lactating patients and patients who have planned to give birth recently; 7. The investigator evaluated patients who could not participate in the clinical study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Success rate of PTA; | — |
Secondary
| Measure | Time frame |
|---|---|
| Primary patency time;Primary patency rate at 1, 3 and 6 months after PTA;Performance index; | — |
Countries
China
Contacts
Public ContactYan Yan
The First Affiliated Hospital of Nanchang University
Outcome results
None listed