• Der Unfallchirurg · Apr 2017

    Review Meta Analysis

    [Influencing factors and complications in open treatment of acute anterior glenoid rim fractures].

    • Dirk Maier, K Izadpanah, J Bayer, E R Langenmair, P Ogon, N P Südkamp, and M Jaeger.
    • Klinik für Orthopädie und Unfallchirurgie, Klinikum der Albert-Ludwigs-Universität Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Deutschland. dirk.maier@uniklinik-freiburg.de.
    • Unfallchirurg. 2017 Apr 1; 120 (4): 320-328.

    BackgroundThe aim of this comparative study was to evaluate the clinical radiological outcome after open treatment of acute anterior glenoid rim fractures and to analyze the influencing factors and complications.Patients And MethodsThe study included 26 patients with an average age of 51.6 years (range 27-71 years) at surgery. The mean period of follow-up was 5.1 years (range 2.0-11.1 years). The average extent of glenoid fracture involvement was 25.5 % (range 18-35%) and three fixation techniques were applied: 1) bioresorbable pins (n = 16), 2) small fragment screws (n = 5) and 3) bioresorbable suture anchors (n = 5).ResultsThe mean score values were 80.3 points for the absolute Constant score, 87.6 points for the normalized Constant score, 88.7 points for the Rowe score, 17.4 points for the Oxford shoulder score, 10.3 points for the simple shoulder test, 13.0 points for the shoulder pain and disability index and 81.5 % for the subjective shoulder value. The fixation technique did not show a significant influence; however, multi-fragment fractures were associated with a significantly inferior absolute (73 vs. 87 points, p = 0.022) and normalized Constant scores (81 vs. 94 points, p = 0.019). Subscapularis insufficiency with internal rotation deficit was found in 10 (39 %) patients and posttraumatic osteoarthritis occurred in 6 (23 %) patients.ConclusionOpen fixation yielded good or excellent shoulder function in 20 out of the 26 (77 %) patients and the clinical outcome primarily depended on the underlying type of fracture. Significantly inferior outcomes should be expected in patients with multi-fragment fractures. The main complications were subscapularis insufficiency and posttraumatic osteoarthritis.

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