Osteoarthritis, rheumatoid arthritis,osteonecrosis of the femoral head, femoral neck fracture
Conditions
Interventions
Perform surgery using alignment guide during total hip arthroplasty
Perform surgery using a portable navigation system during total hip arthroplasty
Sponsors
Okayama University Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: For patients who meet all of the following criteria 1) Patients with osteoarthritis of the hip and rheumatoid arthritis with narrowing of the joint space by plain X-ray, patients with necrosis of the femoral head with collapsing of the femoral head by plain X-ray, and patients with femoral neck fracture. 2) Patients aged 20 years or older at the time of consent acquisition 3) Patients who received sufficient explanation before participating in this study, and obtained written consent by the patient himself / herself with sufficient understanding. 4) Inpatients
Exclusion criteria
Exclusion criteria: Patients who violate any of the following will not be included in this study 1) Patients with severe iliac deformity due to pelvic fracture, pelvic surgery, etc. 2) Women who are pregnant or may become pregnant 3) Lactating women 4) Patients who are judged by the principal investigator and the research coordinator to be inappropriate as research subjects
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy of acetabular component (anteversion, inclination) | — |
Secondary
| Measure | Time frame |
|---|---|
| Complications, surgery time, bleeding volume, clinical score | — |
Countries
Japan
Contacts
Public ContactTomonori Tetsunaga
Okayama University Hospital Department of Orthopaedic Surgery
Outcome results
None listed