Secondary osteoarthritis caused by hip dysplasia or osteonecrosis of the femoral head
Conditions
Interventions
Total hip arthroplasty using 3D porous cup (SQRUM TT)
Total hip arthroplasty using HA-coating cup (SQRUM HA)
Sponsors
Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Primary total hip arthroplasty 2) Age: 20-75 years old 3) Male and Female 4) Patients with the ability of consent and writing 5) Patients who can visit hospital as scheduled during the research period
Exclusion criteria
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
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comparison of the sequential bone fixation around cementless acetabular cup between SQRUM TT and SQRUM HA. | — |
Secondary
| Measure | Time frame |
|---|---|
| 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. | — |
Countries
Japan
Contacts
Public ContactShinya Kawahara
Graduate School of Medical Sciences, Kyushu University Department of Orthopaedic Surgery
Outcome results
None listed