Evaluation of efficacy and complications of antecubital arterivenous fistulas in patient with chronic renal failure: ligation versus not ligation of distal vein.

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

IRCT

Registry ID

IRCT201103035964N1

Enrollment

Registered

2012-01-28

Start date

2011-02-20

Completion date

Unknown

Last updated

2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Kidney Disease. Chronic kidney disease, stage 5

Interventions

Intervention 1: Ligation of distal part of vein with 3/0 silk tie. Intervention 2: Distal part of the vein is not ligate in control group.

Treatment - Surgery

Ligation of distal part of vein with 3/0 silk tie

Distal part of the vein is not ligate in control group

Eligibility

Sex/Gender

All

Age

18 Years to 75 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: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.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Patency of AVF for hemodialysis. Timepoint: Two months after AVF placement. Method of measurement: Function in hemodialysis.	—

Secondary

Measure	Time frame
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.	—

Measure

Time frame

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.

—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr.Abdolreza Mehdinavaz Aghdam

Tabriz University Of Medical Sciences and Health Services

Mehdinavazr@tbzmed.ac.ir+98 41 1335 5921

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026