Osteoarthritis
Conditions
Brief summary
The purpose of this study is to determine if the observed benefits of minimally invasive total knee arthroplasty, namely decreased hospital stay and increased range of motion, can be achieved with standard knee arthroplasty using the subvastus approach.
Interventions
PROCEDURESurgical approach for total knee arthroplasty
total knee arthroplasty surgery using minimally invasive surgery or standard technique.
Sponsors
Nova Scotia Health Authority
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Healthy volunteers
No
Inclusion criteria
* You are willing to take part in the study, including signing this form after carefully reading it. * You are available for follow-up for a minimum of 24 months (2 years). * You have no medical conditions that prevent you from having surgery. * This is the primary (first) knee replacement for this knee * You are fluent in English and are able to understand your responsibilities in this study.
Exclusion criteria
* Active, local or systemic infection * Fibromyalgia or other chronic pain syndrome * Inability to follow the study requirements * Had this knee replaced before * Had a previous surgery on this knee that would interfere with the MIS approach (examples are femoral-femoral bypass, femoral-popliteal bypass, and quadricepsplasty) * Body Mass Index (BMI) \> 35, as you would not be eligible for the MIS approach.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Length of hospital stay | Post Operative |
| Range of motion at discharge and six weeks post-operatively | Discharge and six weeks post operative |
Secondary
| Measure | Time frame |
|---|---|
| Post-operative blood loss | Post operative |
| The ability to straight-leg raise at two and twenty-four hours post-operatively | 2 and 24 hours post operative |
| Wound complications | post operative until wound healed |
| SF-12 | pre-op, 6 months, 12 months, and 24 months post operative |
| WOMAC. | pre-op, 6 months, 12 months, and 24 months post operative |
| Knee Society Clinical Rating Scale | pre-op, 6 months, 12 months, and 24 months post operative |
| Post-operative narcotic use | 24 months post operative |
Countries
Canada
Outcome results
None listed