Kap-Jung Kim; Sang Ki Lee; Won-Sik Choy; Won-Cho Kwon; Do Hyun Lee

doi:10.12671/jkfs.2010.23.1.20

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Kim, Lee, Choy, Kwon, and Lee: Surgical Treatment of AO Type C Distal Femoral Fractures Using Locking Compression Plate (LCP-DF, Synthes®)

Original Article

Journal of the Korean Fracture Society

Journal of the Korean Fracture Society 2010; 23(1): 20-25.

Published online: 31 January 2010

DOI: https://doi.org/10.12671/jkfs.2010.23.1.20

Surgical Treatment of AO Type C Distal Femoral Fractures Using Locking Compression Plate (LCP-DF, Synthes®)

Kap-Jung Kim, M.D., Sang Ki Lee, M.D., Won-Sik Choy, M.D., Won-Cho Kwon, M.D., Do Hyun Lee, M.D.

Department of Orthopedic Surgery, Eulji University College of Medicine, Daejeon, Korea.

Address reprint requests to: Kap-Jung Kim, M.D. Department of Orthopedic Surgery, Eulji University College of Medicine, 1306, Dunsan-dong, Seo-gu, Daejeon 302-799, Korea. Tel: 82-42-611-3279, Fax: 82-42-259-1289, oskkj@eulji.ac.kr

Received 15 September 2009 Revised 23 November 2009 Accepted 4 December 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 analyze the surgical results of AO type C distal femoral fractures using locking compression plate.

Materials and Methods

From February 2006 to June 2008, 14 patients 15 cases were included. Injury mechanisms, combined injuries, radiologic and clinical results and postoperative complications were analyzed.

Results

The mean age was 59.6 (30~77) years. The mean follow up period was 25 (12~40) months. AO types were 3 of C1, 5 of C2 and 7 of C3. Injury mechanisms were 9 of traffic accident, 5 of slip down and 1 of fall from a height. Four cases were combined with other extremity injuries or fractures. The mean radiologic union was obtained at postoperative 15 (13~20) weeks. The mean Neer's functional score was 74.2 (58~97); 3 of excellent, 5 of satisfactory and 7 of unsatisfactory. Postoperative complications were 2 of infection and 1 of nonunion. There were no mechanical failures or fixation loss with locking compression plate at the final follow up.

Conclusion

Internal fixation using locking compression plate for AO type C distal femoral fractures provided excellent fixations. At the final follow up, the clinical results were variable. The affecting factors on the final results seemed to be joint congruencies after anatomical reduction and active rehabilitation.

Keywords: Distal femoral fractures, AO type C, Locking compression plate, Neer's functional score

Figures and Tables

Fig. 1

(A) Initial radiographs show the distal femoral fracture of AO type C3.

(B) Initial CT scans show the intra-articular fracture fragments. Sagittal image shows Hoffa fracture fragments.

(C) Postoperative radiographs show very congruent articular surface with good alignment. Fracture fragments are reduced and stabilized with locking compression plate and additional Acutrak and cable.

(D) Radiographs 16 months after surgery show the healed fracture with callus in good alignment.

Fig. 2

Mean Neer's functional scores of each subtype of AO type C. It doesn't have statistical significance between subtypes of AO type C and mean Neer's scores.

Table 1

Patients' data

No: Number, FU: Follow up, M: Male, F: Female, TA: Traffic accident.

Table 2

Patients' Neer score

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