Osteonecrosis of Femoral Head Treated with Extracorporeal Shock Wave Therapy: Analysis of Short-term Clinical Outcomes of Treatment with Radiologic Staging

Purpose: To evaluate clinical results of extracorporeal shock wave therapy (ESWT) with radiographic staging on patients with avascular necrosis of femoral head (AVNFH). Materials and Methods: We evaluated 24 patients diagnosed with AVNFH (32 hip joints) who were treated with ESWT from 1993 to 2012....

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Bibliographic Details
Published in:Hip & pelvis 2015-12, Vol.27 (4), p.250
Main Authors: Jin Young Lee, Jae Woo Kwon, Jung Seob Park, Kyeol Han, Woo Jin Shin, Jeong Gil Lee, Byung Hoon Lee
Format: Article
Language:Korean
Subjects:
Association Research Circulation Osseous
Avascular necrosis of femoral head
Extracorporeal shock wave therapy
Harris hip score
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Summary:Purpose: To evaluate clinical results of extracorporeal shock wave therapy (ESWT) with radiographic staging on patients with avascular necrosis of femoral head (AVNFH). Materials and Methods: We evaluated 24 patients diagnosed with AVNFH (32 hip joints) who were treated with ESWT from 1993 to 2012. Average follow-up period was 27 months, and the average age of patients was 47.8 years. The Association Research Circulation Osseous (ARCO) system was used to grade radiographic stage prior to treatment. For this study patients were divided into two groups based on their ARCO stage, group 1 (ARCO stages I and II) and group 2 (ARCO stage III). Comparative analyses were done between the two groups using the visual analogue scale (VAS) score and the Harris hip score (HHS) at pre-treatment and 3, 6, 12, and 24 months after treatment. Failure was defined when radiographic stage progressed or arthroplasty surgery was needed due to clinical exacerbation. Results: Both groups showed clinical improvements with VAS scoring at final follow-up (group 1: median 7 to 1.5, P
ISSN:2287-3260