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Explore the influence of hip replacement on lower extremity hemodynamics in Crowe â…£ hip dysplasia patient.
Changes of limb length after total hip replacement is common, especially for Crowe â…£ hip dysplasia patient. Such change potentially increases tension of vessel and influence lower extremity hemodynamics. Till now, little is known in this area.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| total hip replacement with subtrochanteral osteotomy | Experimental | subtrochanteral osteotomy is applied during total hip replacement |
|
| total hip replacement with no osteotomy | Sham Comparator | no osteotomy is applied during total hip replacement. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| total hip replacement with subtrochanteral osteotomy | Procedure | applying subtrochanteral osteotomy during the operation to release the tension of vessels and nerve |
|
| Measure | Description | Time Frame |
|---|---|---|
| Hip Harris Score | change of hip harris score scale from baseline(preoperative) to 1 year after surgery. | preoperative, 1 week, 6 weeks, 12 weeks, 24 weeks and 1 year after the surgery. |
| Leg Length Change | change of Leg Length from baseline(preoperative) to 1 year after surgery. | preoperative, 1 week, 6 weeks, 12 weeks, 24 weeks and 1 year after the surgery. |
| Radiographic Results | change of Radiographic Results from 1 week after surger to 1 year after surgery | 1 week, 12 weeks, 24 weeks and 1 year after the surgery. |
| Lower Limb Arterial CT Angiography | change of vascular diameter and vascular cross-sectional from baseline(preoperative) to 1 year after surgery baseline(preoperative) to 12 weeks after surgery. | preoperative, 1 week, 12 weeks after the surgery. |
| Vascular Ultrasound Examination | change of systolic peak velocity, end-diastolic velocity, pulsation index, resistance index and blood flow from baseline(preoperative) to 1 year after surgery. | preoperative, 1 week, 6 weeks, 12 weeks, 24 weeks and 1 year after the surgery. |
| Blood Viscosity | change of blood viscosity from baseline(preoperative) to 1 year after surgery. | preoperative, 1 week, 6 weeks, 12 weeks, 24 weeks and 1 year after the surgery. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| SHIGUI YAN, MD | Contact | +86-13906531308 | zrjwsj@zju.edu.cn |
| Name | Affiliation | Role |
|---|---|---|
| SHIGUI YAN, MD | 2nd affiliated hospital, School of Medicine, Zhejiang University | Study Chair |
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| total hip replacement with no osteotomy | Procedure | just total hip replacement |
|
| ID | Term |
|---|---|
| D006617 | Hip Dislocation |
| ID | Term |
|---|---|
| D004204 | Joint Dislocations |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D014947 | Wounds and Injuries |
| D025981 | Hip Injuries |
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| ID | Term |
|---|---|
| D019644 | Arthroplasty, Replacement, Hip |
| ID | Term |
|---|---|
| D019643 | Arthroplasty, Replacement |
| D001178 | Arthroplasty |
| D019637 | Orthopedic Procedures |
| D013514 | Surgical Procedures, Operative |
| D019651 | Plastic Surgery Procedures |
| D019919 | Prosthesis Implantation |
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