osteoarthritis or osteonecrosis of femoral head
Conditions
Interventions
THA dislocation group:Null
without THA dislocation group:Null
Sponsors
Department of Orthopedics, West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
25 Years to 90 Years
Inclusion criteria
Inclusion criteria: 1. The experimental group:patients undergoing prosthesis dislocation after the initial total hip replacement; 2. The control group: patients with good functional recovery after the same period of total hip replacement.
Exclusion criteria
Exclusion criteria: 1.The experimental group: (1) Patients with prosthesis dislocation after total hip revision surgery; (2) Patients with peripheral prosthesis infection or with severe osteoporosis, or BMI > 30 kg/m^2; (3) With history of dislocation caused by high-energy trauma were excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Femoral offset;Cup anteversion;Neck-shaft angle;Acetabular abduction angle;Acetabular coverage;The sharp angle;Trochanter-head distance;Rotation center change; | — |
Secondary
| Measure | Time frame |
|---|---|
| The actual difference in the length of the lower limbs;Bing hé sui qiang de bizhí, bing-sui qiang zhóuxiàn jia jiao 16 / 5000 ???? The ratio of the stalk to the medullary cavity;Shank-medullary cavity axis angle; | — |
Countries
China
Contacts
Public ContactKang Pengde
Department of Orthopedics, West China Hospital, Sichuan University
Outcome results
None listed