Preservation of infrapatellar fat pad decreased anterior knee pain in early postoperative period after Computer assisted surgery total knee arthroplasty A prospective double blinded randomized controlled trial study

Preservation of infrapatellar fat pad decreased anterior knee pain in early postoperative period after CAS-TKA: A prospective double blinded randomized controlled trial study

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

TCTR

Registry ID

TCTR20220215011

Enrollment

Registered

2022-02-15

Start date

2019-05-08

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

Anterior knee pain after total knee arthroplasty between partial excision of infrapatellar fat pad versus preservation of infrapatellar fat pad technique Anterior knee pain, Total knee arthroplasty, Fat pad, Preservation, Excision

Interventions

During total knee arthroplasty, the Infra-patellar fat has been protected entire the part with Hohmann retractor,During total knee arthroplasty, some part of the Infra-patellar fat which medial to pat

Experimental Procedure/Surgery,Experimental Procedure/Surgery

Preservation of infrapatellar fat pad,Partial excision of infrapatellar fat pad

Eligibility

Sex/Gender

All

Age

50 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1.Primary Osteoarthritis of knee 2.Unilateral Total knee arthroplasty 3.Intact posterior cruciate ligament 4.Consent for participate and follow up

Exclusion criteria

Exclusion criteria: 1.Previous patellar issue, fracture, post patellectomy 2.Ipsilateral OA hip 3.Ipsilateral hip arthroplasty 4.Active or recent infection 5.Extra-articular deformity

Design outcomes

Primary

Measure	Time frame
Anterior knee pain 1,3,6 months after intervention Means of outcome incidence,Pain score 1,3,6 months after intervention Visual analogue scale	—

Secondary

Measure	Time frame
WOMAC score 1,3,6 months after intervention Means of score,Range of motion 1,3,6 months after intervention Means of range of motion (degree),Insall-Salvati ratio 1,3,6 months after intervention Means of Insall-Salvati Ratio measurement ,Mechanical axis 1,3,6 months after intervention Means of mechanical axis (degree)	—

Countries

Thailand

Contacts

Public ContactBunpreedee Petcharat

Orthopedic department, Faculty of Medicine, Navamindradhiraj university

Bunpreedee@nmu.ac.th022443376

Outcome results

None listed

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