A Comparison of Subvastus and Midvastus Approaches in Minimally-Invasive Total Knee Arthroplasty

Status

Completed

Phases

Phase 4

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00848133

Enrollment

Registered

2009-02-20

Start date

2004-07-31

Completion date

2009-02-28

Last updated

2009-02-20

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

Conditions

Total Knee Arthroplasty

Brief summary

The purpose of this study was to compare the early clinical outcomes of minimally invasive bilateral subvastus and midvastus approaches for total knee arthroplasty.

Interventions

PROCEDUREmini-midvastus surgical approach for total knee arthroplasty

PROCEDUREmini-subvastus surgical approach for total knee arthroplasty

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Age

40 Years to No maximum

Healthy volunteers

Inclusion criteria

* patients with advanced bilateral osteoarthritis of the knee for treatment with total knee arthroplasty * patients who wish to undergo bilateral total knee arthroplasty as part of a single surgical procedure

Exclusion criteria

* patients who were previously treated with knee arthroplasty

Design outcomes

Primary

Measure	Time frame
Knee Society Score	Final follow-up (minimum 24 months)

Secondary

Measure	Time frame
Radiographic alignment and fixation	Final follow-up (minimum 24 months)

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026