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Application of CAD-RP and guidance system assist precise acetabular component placement in THA: randomized controlled trial

Application of CAD-RP and guidance system assist precise acetabular component placement in THA: randomized controlled trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR1800017194
Enrollment
Unknown
Registered
2018-07-17
Start date
2018-09-01
Completion date
Unknown
Last updated
2018-07-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hip osteoarthritis

Interventions

Experimental Group: CAD-RP and guidance system assist precise acetabular component placement
Control Group:Conventional technique for cup implantation

Sponsors

The First Affiliated Hospital of Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
30 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Aged 30-80 years old; 2. Primary/secondary hip osteoarthritis, course of disease = 6 months; 3. Difficult to walk, and 3 month conservative treatment is ineffective; 4. AP plain radiograph shows narrowing of hip joint space; 5. The radiography and physical examination confirm that the hip pain and limitation of activities of daily Living are caused by hip joint disease.

Exclusion criteria

Exclusion criteria: 1. Mild hip joint disease or course of disease < 6 months; 2. Pathological fracture (spine metastasis myeloma); 3. Neurological disease causing limitation of motion as Parkinson's Disease, cerebral infarction; 4. The radiography and physical examination confirm that the hip pain and limitation of activities of daily Living are not caused by hip joint disease; 5. Coagulopathy, localized infection of surgical region; 6. Malignancy, other systemic diseases which severely affect the motion, joint function and quality of life.

Design outcomes

Primary

MeasureTime frame
Harris hip score;WOMAC score;cup inclination angle;rotation center position;cup anteversion angle;

Secondary

MeasureTime frame
lower limb decreption;

Countries

China

Contacts

Public ContactLiao Weiming

The First Affiliated Hospital of Sun Yat-sen University

Liaoweiming29@163.com+86 18902233639

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026