• Gregory M Meloy, Matthew A Mormino, Peter A Siska, and Ivan S Tarkin.
• University of Pittsburgh Medical Center, Department of Orthopaedic Surgery, Pittsburgh, PA, USA.
• Injury. 2013 Nov 1;44(11):1620-4.

ObjectivesThe study aimed (1) to examine if there are equivalent results in terms of union, alignment and elbow functionally comparing single- to dual-column plating of AO/OTA 13A2 and A3 distal humeral fractures and (2) if there are more implant-related complications in patients managed with bicolumnar plating compared to single-column plate fixation.DesignThis was a multi-centred retrospective comparative study.SettingThe study was conducted at two academic level 1 trauma centres.Patients/ParticipantsA total of 105 patients were identified to have surgical management of extra-articular distal humeral fractures Arbeitsgemeinschaft für Osteosynthesefragen/Orthopaedic Trauma Association (AO/OTA) 13A2 and AO/OTA 13A3).InterventionPatients were treated with traditional dual-column plating or a single-column posterolateral small-fragment pre-contoured locking plate used as a neutralisation device with at least five screws in the short distal segment.Main Outcome MeasurementsThe patients' elbow functionality was assessed in terms of range of motion, union and alignment. In addition, the rate of complications between the groups including radial nerve palsy, implant-related complications (painful prominence and/or ulnar nerve neuritis) and elbow stiffness were compared.ResultsPatients treated with single-column plating had similar union rates and alignment. However, single-column plating resulted in a significantly better range of motion with less complications.ConclusionsThe current study suggests that exposure/instrumentation of only the lateral column is a reliable and preferred technique. This technique allows for comparable union rates and alignment with increased elbow functionality and decreased number of complications.Copyright © 2013 Elsevier Ltd. All rights reserved.

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