osteoarthritis or osteonecrosis of femoral head
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. The experimental group: patients undergoing femoral prosthetic fractures after the initial total hip arthroplasty; 2. The control group: patients with good functional recovery after the same period of total hip arthroplasty.
Exclusion criteria
Exclusion criteria: 1. Experimental group: (1) Patients with periprosthetic fractures after total hip revision; (2) Patients with periprosthetic infections; (3) BMI>35 kg/m^2, and with severe osteoporosis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| femoral offset;cup inclination;neck-shaft angle;acetabular abduction angle;acetabular coverage;sharp angle;the distance from the greater trochanter to the highest point of the femoral head;the change in the center of rotation; | — |
Secondary
| Measure | Time frame |
|---|---|
| the actual difference in the length of the lower limbs;the ratio of the stalk to the medullary cavity;the angle between the stalk and the medullary cavity axis; | — |
Countries
China
Contacts
Department of Orthopedics, West China Hospital, Sichuan University