Hemodialysis Clinical Trial
Official title:
To Assess the Value of 3D Time-of-Flight Magnetic Resonance Angiography in Hemodialysis Patients With Occlusive Disease in Arteriovenous Fistula
Verified date | January 2022 |
Source | Shanghai Jiao Tong University Affiliated Sixth People's Hospital |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This study is aimed to assess the value of three-dimensional time-of-flight magnetic resonance angiography (3D-TOF-MRA) in hemodialysis patients with occlusive disease in arteriovenous fistula (AVF). All participants will receive 3D-TOF-MRA and ultrasound to detect the stenosis degree of AVF.
Status | Completed |
Enrollment | 68 |
Est. completion date | March 31, 2021 |
Est. primary completion date | October 1, 2020 |
Accepts healthy volunteers | No |
Gender | All |
Age group | N/A and older |
Eligibility | Inclusion Criteria: - hemodialysis patients suspected of occlusive disease in arteriovenous fistula (AVF); - persistent edema of the limb with the fistula; - decreased pulse or fremitus in anastomotic astium - increase in venous pressure; blood flow at the access of less than 200 mL/min; Exclusion Criteria: - previous endovascular recanalization with stent or graft placement; - contraindications to magnetic resonance imaging (MRI) examination; - platelet(PLT)<60*10^9/L or international normalized ratio (INR)>1.5; 4. important organ function failure or other serious illness; 5. Allergic to antiplatelet drug, anticoagulant drug, anaesthetic drug and contrast material. |
Country | Name | City | State |
---|---|---|---|
China | Shanghai 6th People's Hospital | Shanghai |
Lead Sponsor | Collaborator |
---|---|
Shanghai Jiao Tong University Affiliated Sixth People's Hospital |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | degree of stenosis | visual grading system: 0 = completely smooth vessel wall;
= <50% stenosis; = 50%-75% stenosis; = 75%-99% stenosis; = occlusion. |
immediately after examination finished | |
Primary | stenosis location | = arterial vessel of AVF
= orifice of AVF = venous vessel of AVF |
immediately after examination finished |
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