Midterm Results of Four-Corner Fusion Using Dorsal Circular Plate Fixation
12 April 2017
22 August 2017
16 October 2017 (eFirst)
Purpose The purpose of this prospective study was to evaluate the results of four-corner fusion using dorsal circular plate.
Methods We operated on 20 patients between 2009 and 2011.
Results At a mean follow-up period of 30 months (range: 14–62, SD: 16), the mean VAS improved from 8 (range: 4–10, SD: 2) preoperatively to 4 (range: 0–8, SD: 2). Function measured with the DASH score improved from 37 (range: 10–75, SD: 18) to 26 (range: 2.5–64, SD: 19). Eighteen patients in our series showed full consolidation and two patients showed persistent nonunion. Three cases required plate removal due to dorsal impingement.
Conclusion Four-corner fusion using dorsal circular plate showed satisfactory results in this study, but it did not show superior results compared with simpler fixation methods mentioned in the literature, such as K-wires or screw fixation. Currently, we are principally using K-wires as a fixation method of choice in our four-corner fusion procedures.
Level of Evidence Level II.
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