Recovery of Limitation of Motion in Secondary Osteoarthritis of the Hip Using Arthroscopy

Eui-Chang Kim; Deuk-Soo Hwang; Chan Kang; Yoo-Sun Jeon; Gi-Soo Lee

doi:10.5371/hp.2013.25.2.121

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Kim, Hwang, Kang, Jeon, and Lee: Recovery of Limitation of Motion in Secondary Osteoarthritis of the Hip Using Arthroscopy

Original Article

Hip & Pelvis 2013; 25(2): 121-126.

Published online: 30 June 2013

DOI: https://doi.org/10.5371/hp.2013.25.2.121

Recovery of Limitation of Motion in Secondary Osteoarthritis of the Hip Using Arthroscopy

Eui-Chang Kim, MD^*, Deuk-Soo Hwang, MD, Chan Kang, MD, Yoo-Sun Jeon, MD^†, Gi-Soo Lee, MD

Department of Orthopedic Surgery, Research Institute for Medical Science, Chungnam National University School of Medicine, Daejeon, Korea.

^*On Orthopedic Clinic, Suwon, Korea.

^†Department of Orthopaedic Surgery, Bumin Hospital, Busan, Korea.

Address reprint request to Deuk-Soo Hwang, MD. Department of Orthopedic Surgery, Research Institute for Medical Science, Chungnam National University School of Medicine, 33 Munwha-ro, Jung-gu, Daejeon 301-721, Korea. TEL: +82-42-280-7350, FAX: +82-42-252-7098, dshwang@cnu.ac.kr

Received 21 April 2013 Revised 14 June 2013 Accepted 16 June 2013

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

To analyze the arthroscopic findings and treatment results of patients with a limitation of hip motion caused by early degenerative osteoarthritis.

Materials and Methods

Retrospective analysis was performed on 13 patients who underwent arthroscopic treatment from May 2009 to March 2010, among patients with a limitation of hip motion and femoroacetabular impingement symptoms by early degenerative osteoarthritis. Head-neck offset, anteversion, and a change in the alpha angle was compared. At the final follow up, the VAS (Visual analogue scale), modified Harris hip score, and range of motion were compared.

Results

The arthroscopic findings showed diffused synovitis in all 13 cases. Among them, 9 cases were accompanied with a labral tear, and 2 cases showed a labral deformity. The VAS decreased from 7.5 preoperatively to 1.8 postoperatively and the modified Harris hip score improved from 49.3(35-60) before surgery to 90.1(85-95) after surgery. Each flexion and internal rotation improved significantly (P<0.05) from 95.2° (60-120°) to 127.7° (110-140°) and 4.6° (-5-25°) to 25.4° (15-30°), respectively.

Conclusion

This study shows that the arthroscopic treatment of femoroacetabular impingement with a limitation of the range of motion by early degenerative arthritis can be expected with an improvement in flexion and internal rotation of the hip.

Keywords: Secondary degenerative osteoarthritis, Limitation of motion of hip, Arthroscopy

Figures and Tables

Fig. 1

32-year old male patient showed limitation of ROM due to sequelae of LCP of the left hip. (A) 3D CT image. (B) Preoperative measurement of flexion degree of the hip under general anesthesia. (C) Arthroscopic findings of the hip after performing femoroplasty, and flexion degree of the hip after operation. (D) Postoperative 3D CT findings.

Table 1

Summary of Cases

^*Alpha: alpha angle, VAS: visual analogue scale, MHSS: modified Harris hip score, Flex: flexion, Ext: extension, IR: internal rotation, ER: external rotation, Abd: Abduction, Add: Adduction, ^†FAI: femoroacetabular impingement, ^‡ALT: acetabular labral tear, ^§SCFE: slipped capital femoral epiphysis, ^∥AS: ankylosing spondylitis of the hip, ^¶DISH: diffuse idiopathic skeletal hyperostosis, ^**LCP: Legg-Calve-Perthes disease.

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