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. 2017 Jan-Mar;8(1):63-67.
doi: 10.1016/j.jcot.2017.02.004. Epub 2017 Feb 15.

Outcome after internal fixation of intraarticular distal humerus (AO type B & C) fractures: Preliminary results with anatomical distal humerus LCP system

Jwalant Patel  1 , Girish Motwani  2 , Himanshu Shah  1 , Rajeev Daveshwar  1
Affiliations

Outcome after internal fixation of intraarticular distal humerus (AO type B & C) fractures: Preliminary results with anatomical distal humerus LCP system

Jwalant Patel et al. J Clin Orthop Trauma. 2017 Jan-Mar.

Abstract

Purpose: The treatment of intraarticular fractures of the distal humerus is challenging and involves the risk of complications and bad functional results. Anatomical and stable internal fixation with early postoperative mobilization is expected to improve the functional outcomes. The objective of this study was to evaluate the functional and radiological results, along with the complications associated, of open reduction and internal fixation using precontoured anatomical locking LCP plate system for intraarticular distal humerus fractures in adult patients.

Methods: This prospective study consist of 31 patients with a mean age of 41.2 years (range 19-62) were treated with open reduction and angular stable internal fixation. All underwent posterior transolecranon surgical approach. Mean follow-up to the final interview was 10 months (from 6 to 20 months). All operated patients were available at the time of last followup. AO classification showed 26 C-fractures (9*13C 1, 12*13C2,5* 13C3) and 5 B-fracture (1* 13B1,1* 13B2,3* 13B3). There were 25 closed fractures and 6 open grade 1 fractures. The clinical followup using Mayo elbow performance score (MEPS) and radiographic follow up with elbow anterior-posterior and lateral view X-rays were performed postoperatively.

Results: The mean MEPS was 87.9 points out of 100 (range 55-100) with 61% Excellent, 29% good and 10% fair and poor scores. Mean elbow flexion of 115.8° (range 85°-150°). The mean deficit in extension was 19° (range 5°-35°). All olecranon osteotomy were united .Nonunion of distal humerus fracture occurred in 2 cases. Other complications were hardware prominence in 3 cases, superficial infection in 4 cases and Ulnar nerve neuropraxia in 1 case which was recovered uneventfully. Revision surgery was not required in any complication.

Conclusion: Open reduction and internal fixation with precontoured distal humerus anatomical locking plate system is a good method of treatment for complex Supra- intercondylar fracture of distal humerus with good functional outcome and low rates of complications. Even though early results are promising, longer term investigations and larger patient groups are necessary to confirm the presented data.

Keywords: Intraarticular distal humerus fractures; Intraarticular fractures; LCP; Mayo elbow performance score (MEPS); Nonunion.

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