Long Term Follow up Results of the Operative Treatment of the Acromioclavicular Joint Dislocation with a Wolter Plate

Ki-Ser Kang; Han-Jun Lee; Jae-Sung Lee; Jae-Yoon Kim; Yong-Beom Park

doi:10.12671/jkfs.2009.22.4.259

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Kang, Lee, Lee, Kim, and Park: Long Term Follow up Results of the Operative Treatment of the Acromioclavicular Joint Dislocation with a Wolter Plate

Original Article

Journal of the Korean Fracture Society 2009; 22(4): 259-263.

Published online: 30 October 2009

DOI: https://doi.org/10.12671/jkfs.2009.22.4.259

Long Term Follow up Results of the Operative Treatment of the Acromioclavicular Joint Dislocation with a Wolter Plate

Ki-Ser Kang, M.D., Han-Jun Lee, M.D., Jae-Sung Lee, M.D., Jae-Yoon Kim, M.D., Yong-Beom Park, M.D.

Department of Orthopedic Surgery, Yong-San Hospital, Chung-Ang University College of Medicine, Seoul, Korea.

Address reprint requests to: Jae-Sung Lee, M.D. Department of Orthopaedic Surgery, Yong-San Hospital, Chung-Ang University College of Medicine, 65-207, Hangangro-3ga, Yongsan-gu, Seoul 140-757, Korea. Tel: 82-2-748-9746, Fax: 82-2-793-6634, boneman@cau.ac.kr

Received 11 April 2009 Revised 29 May 2009 Accepted 11 September 2009

(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 evaluate the long-term clinical and radiological results of the operative treatment of the acromioclavicular dislocation with a Wolter plate.

Materials and Methods

We reviewed clinical and radiological data of twenty patients (mean age: 37 years) who underwent the operative treatment of acromioclavicular joint dislocation using a Wolter plate from September, 1999 to December, 2002 with minimum of five years follow-up (average 6 years 7 months). The clinical outcomes of twenty patients were evaluated by UCLA scoring and radiological results of fifteen patients with available radiograph were evaluated by Zanca view and stress view.

Results

The mean UCLA score was mean 33 points (range, 27~35) at final follow up. By clinical evaluation, twelve cases (60%) were excellent, six cases (30%) were good and two cases were poor (10%). By radiological evaluation, eight cases (54%) were excellent (without displacement), five cases (33%) were good (displacement<5 mm) and two cases (13%) were poor (displacement>5 mm). Erosive change in acromioclavicular joint was seen in poor case.

Conclusion

Wolter plate fixation may be a useful modality for treating acromioclavicular joint dislocation. Great care should be taken to make the hook hole at the appropriate position during operation for long-term prognosis.

Keywords: Acromioclavicular joint, Dislocation, Wolter plate

Figures and Tables

Fig. 1

X-ray shows the coracoclavicular distance (white arrow).

Fig. 2

(A) Preoperative stress radiograph shows type V acromioclavicular dislocation.

(B) Postoperative 8 years stress radiograph of same patient shows no differences of coracoclavicular interval and degenerative changes of acromioclavicular joint.

Fig. 3

X-ray of 45 year old male at postoperative 3months shows widening of the hook hole (white arrow).

Table 1

Average scores of university of california at los angeles end-results

FF: Forward flexion.

Table 2

Radiologic results of coracoclavicular distance (paired t-test)

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