Lateral patellar retinaculum release in total knee arthroplasty: a prospective randomized study

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-TRC-08000293

Enrollment

Unknown

Registered

2008-12-31

Start date

2006-10-01

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

osteoarthritis and rheumatoid arthritis

Interventions

Group A:Lateral patellar retinaculum releasing group: release the lateral patellar retinaculum after prosthesis was inserted

Group B:Lateral patellar retinaculum non-releasing group: do not release the lateral patellar retinaculum after prosthesis was inserted

Eligibility

Sex/Gender

All

Age

50 Years to 80 Years

Inclusion criteria

Inclusion criteria: patients undergoing bilateral total knee arthroplasty

Exclusion criteria

Exclusion criteria: previous patellectomy, inflammatory arthritis, patellar fracture, patellar instability, previous extensor mechanism procedures, high tibial osteotomy, severe valgus or varus deformity (> 15 degree), previous unicondylar knee replacement, a history of septic arthritis or osteomyelitis and unilateral primary total knee arthroplasty.

Design outcomes

Primary

Measure	Time frame
rate of anterior knee pain;Knee Society Score;range of motion;	—

Secondary

Measure	Time frame
Patient Satisfaction;revision for any reason;	—

Countries

China

Contacts

Public ContactQirong Qian

qianqr@163.com+ 86 0 13311939002

Outcome results

None listed

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