Effects of preoperative exercise on vascular caliber for arteriovenous fistula: a randomized controlled trial

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

TCTR

Registry ID

TCTR20230913004

Enrollment

Registered

2023-09-13

Start date

2023-01-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Patients with Chronic kidney disease stage 3-5 whom plan to hemodialysis Vascular access, Arteriovenous fistula, Arm exercise, Doppler ultrasound, Maturation

Interventions

Isotonic exercise + Isometric exercise 1. Isotonic exercise: grip strengthener : count 1-10 x 10 :3 set per day 2. Isometric exercise: Patong ball : count 1-10 x 10 :3 set per day ,Hand stress ball

Experimental Procedure/Surgery,Placebo Comparator Procedure/Surgery

Pre operative exercise protocol,Hand stress ball

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Patients with Chronic kidney disease stage 3-5 whom plan to hemodialysis Age >18 yrs old

Exclusion criteria

Exclusion criteria: 1. small native vessel (artery<1.6 mm, vein < 1.8 mm) 2. Need urgent dialysis (in 8 weeks) 3. Age < 18 yrs old 4. History of AVF in same extremity

Design outcomes

Primary

Measure	Time frame
Vascular caliber 1 month milimetre (by ultrasound),Hand grip test 1 month Dynamometer,Hand grip test 2 months Dynamometer,Vascular caliber 2 month milimeter (by ultrasound)	—

Secondary

Measure	Time frame
convert to AVF Procedure 2 months Yes/No	—

Countries

Thailand

Contacts

Public ContactNawaphan Taengsakul

Chulabhorn hospital

nawaphan.tan@cra.ac.th0839316688

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026