Knee-Hip-Spine Harmony: The Relationship Between Sagittal Spinal Alignment in Total Hip/Knee Arthroplasty
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- This is an observational study: the protocol does not assign a study treatment.
- Who it may be relevant to
- Registry conditions: Cases Who Received TKA/THA. Basic parameters: No limits · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- Taiwan
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
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Overview
Concomitant osteoarthritis of hip/knee joint and lumbar spinal degeneration is commonly seen in elderly population. These degeneration changes of spine would change sagittal or coronal alignment and spinal flexibility in varies degrees. Total hip and knee arthroplasty (THA/TKA) are among the most successful orthopedic operations performed, aiming at the alleviation of osteoarthritic pain. Normal alignment of the spine and pelvis in the sagittal plane is critical to maintain an upright standing position with minimal energy consumption. However, there is a scarcity of studies on how THA or TKA influences the parameters of the spine and the pelvis. Compared with the balance of coronal plane, more attention is paid to the balance of sagittal plane. The objectives of this study are to investigate changes in the truncal parameters after THA or TKA and assess whether these parameters are improved or deteriorated after these operations.
Primary outcome measures
- The Forgotten Joint Score-12 (FJS-12) [Time frame: Post-operative at 24th month]
- EQ-5D [Time frame: Post-operative at 24th month]
Eligibility criteria
Inclusion criteria
- Primary degenerative arthritis of the knee or hip
- Those who have undergone artificial knee or hip replacement surgery
- Follow up surgery for at least 1 year
- Track the whole trunk lower limb sagittal plane coronal aligament before and after surgery
Exclusion criteria
- Previous hip surgery
- Previous spine surgery
- Contracture after hip fusion surgery
- Scoliosis over 10 degrees combined with neuropathy
- Patients with flexion contracture after knee joint surgery
- Rheumatoid arthritis lesions
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: No
Study design
- Observational model
- Cohort
Study locations
Taiwan · 1 center
- China Medical University Hospital — Taichung
Identifiers
NCT: NCT05685706 · CMUH110-REC2-030