HIP Osteoarthritis,Avascular,Nocrosis,and THA for Femoral Neck Fracture Cases
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Patients have diagnosis of osteoarthritis,avascular necrosis, or femoral neck fracture,and are candidates for primary THA 2) Patients have diagnosis of other symptoms and are candidates for THA
Exclusion criteria
Exclusion criteria: 1) Patients need cement fixation of prosthesis 2) Patients are candidates for Revision THA 3) Patients have diagnosis of Rheumatoid Arthritis 4) Patients have infectious disease or have risk of infection 5) Patients who have a neuromuscular or neurosensory dificiency, which limits ability to evaluate the safety and efficacy of the device 6) Patients who are judged ineligible by primary doctor cannot conduct standard rehabilitation 7) Patients are 66 years old or over 8) Male patients 9) Patients who are judged ineligible with reasonable reason by primary doctor
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Fixation of Prosthesis (Engh Classification), Position of Prosthesis (Alignment and depth), Radiolucent Line (Gruen Zone for Femur and Delee Charnley Zone for Acetabulum), and Osteolysis(Both Femur and Acetabulum) | — |
Secondary
| Measure | Time frame |
|---|---|
| JOA Score,Thigh Pain, Trendelenburg's Sign,Squeaking,and Other Complications | — |
Countries
Japan
Contacts
Shonan Kamakura Jiont Reconstruction Center Department of Orthopaedic Surgery