Comparison of the accuracy for cup orientation in total hip arthroplasty

Phase 4

Recruiting

• Conditions: Osteoarthrosis, osteonecrosis of the femoral head, rheumatoid arthritis, femoral neck fracture; D010003, D010020, D001172, D005265

• Registration Number: JPRN-jRCT1062210084
• Lead Sponsor: Tetsunaga Tomonori

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2022-03-10
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 50

Inclusion Criteria

1) Patients with osteoarthritis of the hip and rheumatoid arthritis with narrowing of the joint space by plain X-ray, patients with osteonecrosis of the femoral head with collapse of the femoral head by plain X-ray, and femoral neck fracture patient.
2) Patients with femoral head deviation less than 50% of femoral head diameter on plain X-ray (Crowe classification I, II)
3) Patients with hip joint range of motion of 90 degrees or more in flexion and 20 degrees or more in abduction
4) Patients aged 20 years or older at the time of consent acquisition
5) Patients who received sufficient explanation before participating in this study, and obtained the patient's free will to consent to the document after sufficient understanding.

Exclusion Criteria

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

Study & Design

• Study Type: Interventional
• Study Design: Not specified