Effect of cementless acetabular component surface processing on initial fixation after total hip arthroplasty with secondary hip osteoarthritis: three-dimensional porous cup versus hydroxyapatite-coating cup

Not Applicable

• Conditions: Secondary osteoarthritis caused by hip dysplasia or osteonecrosis of the femoral head

• Registration Number: JPRN-UMIN000041378
• Lead Sponsor: Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2020-08-11
• Last Update Posted: 27 May 2024
• Study Completion: 2025-04-30

Recruitment & Eligibility

• Status: Complete: follow-up continuing
• Sex: All
• Target Recruitment: 102

Inclusion Criteria

Not provided

Exclusion Criteria

1) Patients with immature bone structure 2) Patients with the loss of abduction muscle in affected leg 3) Patients with insufficient bone mineral density (e.g. Corticosteroid-induced metabolic bone disease) 4) Patients with insufficient skin covering around the hip joint 5) Patients with neuromuscular disease (e.g. Charcot disease) in affected leg 6) Patients with the infection (e.g. osteomyelitis in proximal femur or purulent infection in the hip joint) 7) Patients with radiation osteonecrosis of acetabulum 8) Patients with systemic or local infection 9) Patients with vascular interruption in affected leg 10) Patients without the ability of walking at the postoperative time 11) Suspicious patients with metal allergy 12) Pregnant patients, pregnant suspicious patients, or patients who hope for pregnancy 13) Patients with the disease which can affect consent or evaluation of the study, including dementia, schizophrenia, depression, panic disorder, or generalized anxiety disorder 14) Patients who need to undergo the lower extremity surgery within six months after participating in the study, including total hip arthroplasty and total knee arthroplasty 15) Patients who underwent the lower extremity surgery within six months before participating in the study, including total hip arthroplasty, total knee arthroplasty, or osteotomy 16) Patients who doctors judged unsuitable for the study

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Comparison of the sequential bone fixation around cementless acetabular cup between SQRUM TT and SQRUM HA.

Secondary Outcome Measures

Name	Time	Method
To examine the relationship of the sequential bone fixation around cementless acetabular cup with investigation items, including background, clinical assessment, radiograph, and patient-reported outcome.