The Influence of Hip Replacement on Lower Extremity Hemodynamics in Crowe IV Hip Dysplasia Patient

The Influence of Hip Replacement (Subtrochanteric Osteotomy vs. Non-osteotomy) on Lower Extremity Hemodynamics in Crowe IV Hip Dysplasia Patient

Explore the influence of hip replacement on lower extremity hemodynamics in Crowe Ⅳ hip dysplasia patient.

Changes of limb length after total hip replacement is common, especially for Crowe Ⅳ hip dysplasia patient. Such change potentially increases tension of vessel and influence lower extremity hemodynamics. Till now, little is known in this area.

Inclusion Criteria:

• Unilateral Crow IV hip dysplasia;
• Bilateral Crow IV hip dysplasia without osteoarthritis on the other side

Exclusion Criteria:

• Patients with serious medical disease;
• Patients with lower extremity vascular disease; 3. Patients with severe mental illness.