Osteoarthritis
Conditions
Brief summary
The purpose of this study is to correlate functional outcomes and perioperative complications with tourniquet use during total knee arthroplasty.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
1. All unilateral primary knee arthroplasties performed by investigators participating in this study will be eligible for inclusion 2. Diagnosis of osteoarthritis
Exclusion criteria
1. Revision surgery 2. Bilateral knee surgery 3. Age \<18 or \>80 4. BMI \>40 5. Baseline lower extremity strength less than 5/5 6. Vascular calcifications 7. History of chronic narcotic use, defined as more than 5mg of oxycodone q4 hours 8. Functionally limiting spine disease 9. Other functionally limiting lower extremity disorder (i.e. symptomatic ipsilateral hip disease) 10. Patients who cannot perform the baseline functional tests 11. Allergy/contraindication to protocol medications 12. Post-traumatic arthritis 13. Inflammatory arthritis 14. Pregnancy 15. Prisoners 16. Patients receiving care as part of a worker's compensable injury
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| timed up and go (TUG) score | 4 weeks following surgery | — |
| Stair Climb test | in hospital (usually less than 2 days), 4 weeks post-op, 6 months post-op | time, in seconds, to climb one flight of nine stairs |
| Visual Analog Scale: Pain | in hospital (usually less than 2 days), 4 weeks post-op, 6 months post-op | — |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| blood loss | intra-operative | calculated blood loss determine by hemoglobin dilution |
| surgical field visualization | intra-operative | subjective rating provided by the surgeon |
| range of motion | in hospital (usually less than 2 days), 4 weeks post-op, 6 months post-op | measured, in degrees, using a goniometer |
Countries
United States