Palmaris longus sparing VS Standard carpal tunnel release

Palmaris Longus Sparing VS Standard Carpal Tunnel Release

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

TCTR

Registry ID

TCTR20210212001

Enrollment

Registered

2021-02-12

Start date

2019-06-24

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

Carpal tunnel syndrome carpal tunnel syndrome palmaris longus

Interventions

The only one senior hand surgeon performed CTR throughout the study. All patients were injected with 1% lidocaine without adrenaline for local anesthesia. A tourniquet was inflated 250 mmHg. Longitudi

mid of palmar fascia and palmaris longus were dissected and retracted by Ragnel retractors. The transverse carpal ligament (TCL) was exposed and released by Stevens tenotomy scissors until clearly ide

0. In PL group&#44

incision was made ulnar to palmaris longus and retract to the radial side. The transverse carpal ligament (TCL) was exposed and released same as SOR group. then sutured palmaris longus to subcutaneous

0. Wound dressing was applied in both groups.,Standard carpal tunnel release

Experimental Procedure/Surgery,Active Comparator Procedure/Surgery

Palmaris longus sparing,Standard carpal tunnel release

Eligibility

Sex/Gender

All

Age

20 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1.primary idiopathic carpal tunnel 2.65 years 3.Duration of symptoms at least 3 months 4.No improvement of symptoms after conservative treatment

Exclusion criteria

Exclusion criteria: 1. No palmaris longus tendon 2. Previous CTR or trauma in affected hand 3. History of steroid injection 4. Cerebrovascular disease 5. Cervical radiculopathy 6. Combined other nerve compression 7. Diabetes mellitus 8. Cognitive impairment 9. Unwilling to participate.

Design outcomes

Primary

Measure	Time frame
pain preop, 6wk, 12wk visual analog scale	—

Secondary

Measure	Time frame
Thenar hypotrophy preop, 6wk, 12wk motor power grading,2-point discrimination preop, 6wk, 12wk Disc point discriminator (mm),Grip strength Pinch strength preop, 6wk, 12wk grip and pinch dynamometer (kg),Nerve conductive study preop, 12 wk NCV, EMG,Scar 6wk,12wk Patient and Observer Scar Assessment Scale (POSAS),symptom severity scale functional status scale preop, 6wk, 12wk Thai version Boston questionnaire	—

Measure

Time frame

Thenar hypotrophy preop, 6wk, 12wk motor power grading,2-point discrimination preop, 6wk, 12wk Disc point discriminator (mm),Grip strength Pinch strength preop, 6wk, 12wk grip and pinch dynamometer (kg),Nerve conductive study preop, 12 wk NCV, EMG,Scar 6wk,12wk Patient and Observer Scar Assessment Scale (POSAS),symptom severity scale functional status scale preop, 6wk, 12wk Thai version Boston questionnaire

—

Countries

Thailand

Contacts

Public ContactAkkhawat Leopairote

Faculty of Medicine Ramathibodi Hospital, Mahidol University

l.akkhawat@gmail.com0974651459

Outcome results

None listed

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