Effect of Extracorporeal Shock Wave on Avascular Necrosis of Femoral Head of Stage IV / 中国康复理论与实践

ABSTRACT

Objective To observe the effect of extracorporeal shock waves (ESW) therapy on avascular necrosis of femoral head (AN-FH) of stage IV. Methods 72 hips of 44 patients with ANFH of stage IV, according to Association Research Circulation Osseous, were ran-domly divided into treatment group (n=37) and control group (n=35). The control group received routine therapy, while the treatment group received ESW in addition, 2.0-4.0 bar, 10 Hz, 6000 times. They were evaluated with Harris Hip Score, Manual Muscle Test (MMT) and Short Form of health survey (SF-36) before and 1 month after treatment. Results The scores of Harris Hip Score and MMT improved more in the treatment group than in the control group (P<0.05) after treatment, as well as the scores of SF-36 except physical health and vitality (P<0.05). Conclusion The ESW can obviously improve the motor function and quality of life of patients with ANFH of stage IV.