Diseases with indications for total hip arthroplasty
Conditions
Interventions
Control group:General Total hip replacement
Sponsors
West China Hospital of Sichuan University
Eligibility
Sex/Gender
Male
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Age 18 ~ 80 years old, regardless of gender; 2.Patients who meet the requirements of total hip arthroplasty and need the primary total hip arthroplasty according to the evaluation of the researchers; 3.The subjects fully understand the benefits and risks of this trial and are willing to participate and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1.Patients with neuromuscular dysfunction (e.g. paralysis, myolysis or abductor weakness) that can lead to postoperative hip instability or abnormal gait 2.Active infection lesions in the hip joint or other parts of the body 3.Patients with severe hip deformity and hip dysplasia with Crowe grade 3 or 4 4. Ankylosing spondylitis patients with bony ankylosis or severe stiffness 5. Patients with bilateral hip arthroplasty at the same time, or patients with contralateral hip arthroplasty within 3 months, or patients with contralateral hip arthroplasty expected to be performed within 1 year after operation 6. The patient known to have a history of allergy to one or more implanted materials 7. Patients with severe internal and surgical diseases or weak physique and unable to tolerate surgery 8. Patients with poor expected compliance 9. Pregnant or lactating women, or patients with family planning during clinical research 10.The patient participating in other drug clinical trials within 3 months before enrollment, or other device clinical trials within 1 month before enrollment 11. Other circumstances that the researchers consider inappropriate to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Prosthesis size; | — |
Secondary
| Measure | Time frame |
|---|---|
| Acetabular (planned size, actual size);Acetabular abduction angle(planned size, actual size);Operation time;Registration time;Acetabular abrasion time;Intraoperative blood loss;Femoral osteotomy height (planned size, actual size);Prosthesis neck stem angle (planned size, actual size);Accuracy of acetabular cup implantation;Percentage of acetabular cup implantation safety zone;Acetabular eccentricity (planned size, actual size);Horizontal distance of hip rotation center (preoperative, postoperative and bilateral);Vertical distance of hip rotation center (preoperative, postoperative and bilateral);Preoperative difference in the length of both lower limbs;Accuracy of preoperative prosthesis specification planning;Complete accuracy of preoperative prosthesis specification planning;Postoperative leg length difference;Difference of limb length before and after operation;Difference of leg length before and after operation;Differences in eccentricity before and after surgery;Pelvic Incidence;Pelvic Tilt;Sacral inclination; | — |
Countries
China
Contacts
Public ContactZongke Zhou
West China Hospital of Sichuan University
Outcome results
None listed