Dual-subsartorial Block versus Femoral Triangle Block for Quadriceps Strength after Total Knee Arthroplasty: A Randomized Controlled Trial

Status

Unknown

Phases

Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20230524005

Enrollment

Registered

2023-05-24

Start date

2023-05-29

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

We hypothesize dual-subsartorial block has efficacy of quadriceps sparing superior to Femoral triangle block for patients undergo unilateral TKA Total knee arthroplasty, Dual-subsartorial block, Femoral triangle block, Quadriceps strength, Analgesic efficacy

Interventions

Dual-subsartorial block,Femoral triangle block

Experimental Procedure/Surgery,Active Comparator Procedure/Surgery

Eligibility

Sex/Gender

All

Age

40 Years to 80 Years

Inclusion criteria

Inclusion criteria: Age 40-80 years old, Elective primary unilateral TKA, American Society of Anesthesiologists physical classification 1-3

Exclusion criteria

Exclusion criteria: Contraindicated for neuraxial anesthesia, Allergic to drugs in study protocol, Body mass index equal or more than 35 kg/m2, Operative limb neurological deficit, Chronic opioid used, Inability to operate intravenous patient-controlled analgesia

Design outcomes

Primary

Measure	Time frame
Quadriceps strength At postoperative 6 hours Grade 0-5	—

Secondary

Measure	Time frame
Morphine consumption 24 hours At postoperative 24 hours Mg	—

Countries

Thailand

Contacts

Public ContactSivaporn Termpornlert

Faculty of medicine, Mahidol University

Stermpornlert@gmail.com0815528552

Outcome results

None listed

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