Evaluation of efficacy and complications of antecubital arterivenous fistulas in patient with chronic renal failure: ligation versus not ligation of distal vein.
- Conditions
- Chronic Kidney Disease.Chronic kidney disease, stage 5
- Registration Number
- IRCT201103035964N1
- Lead Sponsor
- Vice chancellor for research, Tabriz University of Medical Sciences
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 60
Patients with irreversible chronic renal failure for whom hemodialysis is indicated;Patients who don’t have access for distal AVF creation;Patients for whom two-moth follow-up is possible;Age between 18 and 75 years old; A diameter of 3 mm or more in cephalic vein in preoperative Doppler studies or by evaluation of surgeon during the operation;A diameter of 2.5 mm or more in brachial artery in preoperative Doppler studies or by evaluation of surgeon during the operation. Exclusion criteria: Disappearance of thrill 24-hours postoperatively; Patients in whom cephalic vein is not present; Patients with fibrosis in cephalic vein (assessed by the surgeon during the operation); Discontinuation of hemodialysis during the study for any reason (transplantation or recovery); Expiration of the patient during the study; Patients with occlusion in subclavian cephalic or basilic vein in doppler ultrasound.
Not provided
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Patency of AVF for hemodialysis. Timepoint: Two months after AVF placement. Method of measurement: Function in hemodialysis.
- Secondary Outcome Measures
Name Time Method Blood flow at proximal vein. Timepoint: Two months after AVF placement. Method of measurement: Doppler ultrasound.;AVF blood flow. Timepoint: Two months after AVF placement. Method of measurement: Doppler ultrasound.;Signs of venous hypertension. Timepoint: Two months after AVF placement. Method of measurement: Measurement of median diameter of forearm.;Arterial steal syndrome. Timepoint: Two months after AVF placement. Method of measurement: Assessment of limb ischemia and distal pulse.