Total knee arthroplasty
Conditions
Interventions
1:total knee arthroplasty
Sponsors
Nankai University, Tianjin Union Medical Center
Eligibility
Sex/Gender
All
Age
50 Years to 70 Years
Inclusion criteria
Inclusion criteria: End-stage knee osteoarthritis; Subjects had been assigned to undergo single primary TKA (or primary TKA of both knees at separate times) without patella replacement; Knee varus=100 degree.
Exclusion criteria
Exclusion criteria: Patients with any of the following conditions were excluded: knee recurvatum; histories of bone fracture or open surgery at the affected knee; or disorders that negatively affect hip or knee motion, cause lower limb pain, or otherwise influence the lower limbs. Patients were also excluded if they showed severe osteoporosis, bone abnormality or ligament insufficiency at the affected knee, postoperative imaging identification of joint misalignment in the coronary plane, or femoral prosthesis flexion/extension > 3 degree in the sagittal plane; residual osteophytes in the posterior knee area. In addition, patients with any of the following conditions during their hospital stay or at the subsequent follow-up were excluded: intra-articular infection; heterotropic ossification; joint rigidity by unknown causes; lower limb deep venous thrombosis; complications that negatively influenced recovery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Isometric Extension Torque;Hamstring to Quadriceps Ratio (H/Q ratio);Time-up-to-go test;Chair rise test;Range of knee flexion;posterior condylar offset;Cartilage thickness; | — |
Secondary
| Measure | Time frame |
|---|---|
| Knee Society Score;The Western Ontario and McMaster Universities (WOM); | — |
Countries
China
Contacts
Public ContactYu Zhang
Outcome results
None listed