Total hip arthroplasty
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Patients who need primary unilateral THA due to severe osteoarthritis of the hip; 2.Aged is 18 to 80 years; 3.Preoperative American Society of Anesthesiologists (ASA) classification (anesthesia risk assessment) was grade I~III.
Exclusion criteria
Exclusion criteria: 1.Body mass index (BMI) >35kg/m^2; 2.Patients with heart, lung and other important organ failure; 3.Abnormal liver and kidney function (ALT, AST> normal value 1.5 times, blood BUN>-8.3 mmoll, blood Scr>115 umol/L); 4.Diabetic patients with poor control of blood sugar level; researchers judged risk of infection; 5.Combined with consciousness disorder or mental illness; 6.Had a history of open hip surgery; 7.Neuromuscular dysfunction affecting lower limb function; 8.Patients with severe coagulation dysfunction; 9.Complicated with severe internal and surgical diseases or weak physique, unable to tolerate the operation; 10.Severe instability that cannot be cured with THA; 11.Active infection foci in the body (whole body or local infectious lesions); 12.There are serious osteoporosis, metabolic bone disease, radiation bone disease and tumor around the hip; 13.Family planning, lactation and pregnant women during the whole clinical study; 14.Patients who have participated in other clinical trials within 3 months; 15.Patients who the researchers think are not suitable to participate in this clinical trial for other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Acetabular abduction angle;Acetabular anteversion;Angle between shaft of femur and axis of medullary cavity;Femoral offset; | — |
Secondary
| Measure | Time frame |
|---|---|
| Length difference between lower limbs;Evaluation index of joint function;Time of operation;The total blood loss; | — |
Countries
China
Contacts
West China Hospital of Sichuan University