About this trial
The purpose of this clinical trial is to compare the efficacy and safety of cutting balloons versus drug-coated balloons in treating venous stenosis of autologous arteriovenous fistulas.The main questions it aims to answer are:
1. Will drug-coated balloons achieve a better CD-TLR rate compared to cutting balloons? 2. What medical problems do participants have when receiving treatment with drug-coated balloons or cutting balloons?
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
None
Disqualifiers
None
Trial population
Dysfunctional autogenous arteriovenous fistula patient: A stenosis in a hemodialysis access with significant hemodynamic changes: Based on angiography/ultrasound evaluation, the target lesion stenosis is ≥50%, and is accompanied by one or more of the following clinical and physiological abnormalities: natural fistula blood flow \<480ml/min; unable to meet the required blood flow for the dialysis prescription; thrombosis in the autogenous arteriovenous fistula; elevated venous pressure during dialysis; difficult cannulation; decreased dialysis adequacy; and abnormal signs in the fistula, etc.
Trial design
Cohort
Prospective
Treatments tested in this trial
Endovascular therapy
Procedure/SurgeryEndovascular therapy is a minimally invasive interventional approach that utilizes the vascular system as a pathway to access and treat various pathological conditions within the body. By employing specialized catheters and devices, endovascular techniques enable precise delivery of therapeutic agents or interventional procedures directly to the target site, without the need for conventional open surgery.
Treatment groups
Trial outcomes
Primary outcomes
Number of Participants with Clinically-driven Target Lesion Re-intervened
Clinically-driven target lesion re-intervention refers to a repeat procedure performed on a previously treated lesion due to the recurrence of symptoms or other clinical indications, rather than being routinely scheduled.require reintervention after surgery, including: 1) clinically driven target lesions reintervention; 2) target lesion thrombosis; 3) surgery to remove the target lesion; 4) AVF waste caused by the target lesion can't treatment again.
Secondary outcomes
Number of Participants with Target Lesion Primary Patency
Target lesion primary patency refers to the treated lesion site remaining open and unobstructed without the need for any additional revascularization procedure during the follow-up period.
Number of Participants with Target Lesion Assisted Primary Patency
Target lesion assisted primary patency refers to the treated lesion site remaining patent (open) during the follow-up period, but requiring an additional revascularization procedure, such as percutaneous transluminal angioplasty, to maintain patency of the target lesion.
Sponsors and contacts
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