Hip joint disorders requiring total hip arthroplasty
Conditions
Interventions
Predicted PT Planning Group (Experimental Group):After hospital admission and provision of informed consent, standing and seated full-length anteroposterior-lateral radiographs obtained within 1 year
Preoperative PT Planning Group (Control Group):After hospital admission and provision of informed consent, standing and seated full-length anteroposterior-lateral radiographs obtained within 1 year pr
Sponsors
Beijing Jishuitan Hospital, Capital Medical University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients with severe spino-pelvic sagittal imbalance (SVA >=100mm) scheduled for unilateral total hip arthroplasty at the Department of Orthopaedic Surgery, Beijing Jishuitan Hospital.
Exclusion criteria
Exclusion criteria: 1. Patients scheduled for hip revision arthroplasty; 2. Patients undergoing THA due to pelvic fractures or active hip joint infections; 3. Patients planned for knee arthroplasty or spinal fusion surgery within 3 months postoperatively; 4. Patients with severe knee osteoarthritis; 5. Patients unable to stand preoperatively or with anticipated non-ambulatory status postoperatively; 6. Patients without sagittal balance restoration potential (e.g., prior lumbar fusion with fixed deformity); 7. Patients with SVA >150mm; 8. Patients with symptomatic contralateral hip osteoarthritis who decline or are ineligible for surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Absolute error between the AI angle of the cup on the lateral radiograph and the preoperatively planned AI angle; | — |
Secondary
| Measure | Time frame |
|---|---|
| Proportion of AI angles falling outside the safe zone;Coronal plane angles of the acetabular cup: absolute differences between the standing radiographic inclination/anteversion angles and the preoperative plan;Parameters for postural change assessment: PT, SS, SVA, PI, LL, TK;Dislocation within 3 months postoperatively;Harris Hip Score (HHS) and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score.;Gender;Age;Height;Weight;Body Mass Index;Time of onset; | — |
Countries
China
Contacts
Public ContactHao Tang
Beijing Jishuitan Hospital, Capital Medical University
Outcome results
None listed