Open Access, Peer-reviewed, Quarterly
pISSN 1225-1682
eISSN 2287-9293
    J Korean Fract Soc. 2012 Oct;25(4):269-276. Korean.
    Published online Oct 19, 2012.
    https://doi.org/10.12671/jkfs.2012.25.4.269
    Copyright © 2012 The Korean Fracture Society
    Original Article

    Comparison of Results of Minimally Invasive Plate Osteosynthesis according to Types of Locking Plate in Distal Femoral Fractures

    Oog Jin Shon, M.D., Ph.D., Moon Soo Kwon, M.D. and Chul Hyun Park, M.D., Ph.D.
      • Department of Orthopedic Surgery, Yeungnam University College of Medicine, Daegu, Korea.
    • Address reprint requests to: Chul Hyun Park, M.D., Ph.D. Department of Orthopedic Surgery, Yeungnam University Medical Center, 170, Hyeonchung-ro, Nam-gu, Daegu 705-717, Korea. Tel: 82-53-620-3640, Fax: 82-53-628-4240, Email: chpark77@naver.com
    Received July 28, 2011; Revised January 09, 2012; Accepted May 20, 2012.

    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 compare results of minimally invasive plate osteosynthesis using a locking compression plate and a periarticular locking plate in distal femur fractures.

    Materials and Methods

    We retrospectively reviewed 31 consecutive femoral fractures who treated by minimally invasive plate osteosynthesis from April 2006 to May 2009. Sixteen patients were treated using a locking compression plate (group A) and 15 patients were treated using a periarticular locking plate (group B).

    Results

    The mean operation time was 78 minutes and 76 minutes (p=0.273), and the mean radiation exposure time was 1.9 minutes and 2.3 minutes (p=0.001) in the group A and B, respectively. The plate bending during operation was performed in 4 cases of group A. The knee range of motion was 117.5° and 118.2° (p=0.825), and the Lysholm score was 81.3 and 81.8 (p=0.723) in the group A and B, respectively. Schazker criteria showed more than good grade in 93.8% of group A and in 93.3% of group B (p=1.0).

    Conclusion

    No significant differences in clinical results were observed between the two groups. However, a lower anatomical compliance was showed in the locking compression plate, and a higher risk of radiation exposure was showed in the periarticular locking plate.

    Keywords
    Distal femoral fracture; Minimally invasive plate osteosynthesis; Locking compression plate; Periarticular locking plate

    Figures

    Fig. 1
    (A) Patients were placed supine and the uninjured leg was in the lowered position for fluoroscopy.

    (B) Supracondylar towel bumps made of rolled surgical towels were placed in the area posterior to the supracondylar region.

    Fig. 2
    (A) For the locking compression plate in distal femur procedure, we used a guiding block for distal fixation.

    (B) For the Zimmer® periarticular locking plate procedure, a Jig system was used.

    Fig. 3
    The coronal fracture fragment angle was defined as the angle between the line of the femoral shaft and the distal intercondylar line.

    Fig. 4
    A 72-year-old woman presented with an AO/OTA type C3 distal femoral fracture on the (A) anterior-posterior and lateral view and (B) 3-dimensional computed tomography.

    (C) The fracture was treated with minimally invasive plate osteosynthesis with locking compression plate in distal femur.

    (D) The fracture had healed at 19 weeks after the operation.

    Fig. 5
    A 51-year-old man presented with an AO/OTA type C2 distal femoral fracture on the (A) anterior-posterior and lateral view and (B) 3-dimensional computed tomography.

    (C) The fracture was treated with minimally invasive plate osteosynthesis with Zimmer® periarticular locking plate.

    (D) The fracture was healed at 18 weeks after the operation.

    Fig. 6
    The distal locking screw penetrated the medial femoral cortex in the (A) locking compression plate in distal femur group and (B) Zimmer® periarticular locking plate (ZPLP) group. However, only the ZPLP group complained of pain by screw irritation.

    Tables

    Table 1
    Patient Demographic Data

    Table 2
    Schatzker Criteria

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    MeSH Terms
    Compliance
    Femoral Fractures
    Femur
    Humans
    Knee
    Range of Motion, Articular
    Retrospective Studies
    Metrics
    Share
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