Osteoarthritis of the hip Rheumatoid arthritis Osteonecrosis of the femoral head Femoral fracture Osteoarthritis of the hip, Osteonecrosis of the femoral head, Rheumatoid arthritis
Conditions
Interventions
Upon admission, randomization will be performed using stratified block randomization. During total hip arthroplasty, either a conventional longitudinal skin incision or an incision along the Langer's
Sponsors
Tetsunaga Tomonori
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients with osteoarthritis, rheumatoid arthritis showing joint space narrowing on plain X-rays, patients with osteonecrosis of the femoral head showing femoral head collapse on plain X-rays, or patients with femoral fractures showing fractures of the femur on plain X-rays. 2. Patients scheduled for total hip arthroplasty using the anterolateral approach. 3. Patients aged 18 years or older at the time of consent. 4. Patients who have received a sufficient explanation about the study, have fully understood it, and have provided written consent of their own free will.
Exclusion criteria
Exclusion criteria: 1. Patients with severe deformities of the ilium due to pelvic fractures or pelvic surgery. 2. Patients using steroids, immunosuppressants, or anticancer drugs. 3. Patients with diabetes. 4. Pregnant women or women with a possibility of being pregnant. Breastfeeding women. 5. Patients deemed unsuitable for surgery via the anterolateral approach due to body shape or bone morphology. 6. Patients judged unsuitable as study participants by the principal investigator or sub-investigators for other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| UNC4P; University of North Carolina '4P' scar scale | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Japanese Orthopaedic Association Hip Score, Japanese Orthopaedic Association Hip Disease Evaluation Questionnaire (JHEQ), wound appearance and subjective symptoms, prosthesis position, incidence of heterotopic ossification, and reoperation rate. 2. Operative time. 3. Blood loss. | — |
Contacts
Public ContactRyuichiro Okuda
Okayama University Hospital
Outcome results
None listed