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  • Title: Proximal humeral fractures: non-operative treatment versus intramedullary nailing in 2-, 3- and 4-part fractures.
    Author: Lange M, Brandt D, Mittlmeier T, Gradl G.
    Journal: Injury; 2016 Dec; 47 Suppl 7():S14-S19. PubMed ID: 28040071.
    Abstract:
    BACKGROUND: Little is known about non-operative treatment of proximal humerus 4-part and severe displaced fractures as those are normally treated operatively. In this study, we present a historical collective of two level I trauma centers, where all humeral head fractures, despite displaced fractures, received non-operative treatment within a 10 years period. Functional and clinical results of 2-, 3- and 4-part fractures were compared to those after fixed angle intramedullary nailing by matched pair analysis. METHODS: Between 2000 and 2010, 167 patients with 2-, 3- and 4-part humeral head fractures were treated non-operatively in two level I trauma centers in Rostock. Complete clinical, functional and radiographic follow-up were available for 41 patients in the retrospective analysis. The results were compared by matched-pair analysis to a prospective series of 143 patients treated by antegrade intramedullary nailing using a proximal humeral nail. Of these 143 patients complete radiological and clinical 12 months' follow-up was available for 117 patients. Thus, it was possible to built 41 pairs according to age, gender, and fracture type. Statistical significant differences in constant score (CS), pain, activity of daily living (ADL), range of motion (ROM) and muscle strength were evaluated by Wilcoxon test. Furthermore, x-ray analysis of fracture healing and complications were recorded. RESULTS: Operative treatment was not superior to non operative treatment concerning functional results, even in displaced fractures. The only significant difference was found in 3-part-fractures, where better ROM was reached in the non-operative group (p = 0.05). In contrast, there was a tendency toward better activity of daily living (ADL) in intramedullary nailing, but this did not reach statistical significance. X-ray findings revealed better anatomical reconstruction with less valgus and varus displacements after surgery (15% versus 50%, p < 0.005). The complication rate of 37% was higher in the surgery group with a reoperation rate of 32%. CONCLUSION: In our study, surgical treatment by fixed angle intramedullary nailing (Targon PH) seems not to be superior to non-operative treatment, regardless of fracture type. In 2-, 3- and 4-part fractures functional and clinical results were similar.
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