Treatment of Proximal Humerus Fractures using PHILOS Plate.

INTRODUCTION Treatment of proximal humerus fractures always holds a dilemma for the treating surgeon. AIM To assess the functional outcome of proximal humerus fractures treated with Proximal Humerus Internal Locking System (PHILOS) plating. MATERIAL AND METHODS Fifty three consecutive patients were treated with PHILOS plating between August 2013 and August 2014. The inclusion criteria were skeletally matured patients with closed fracture proximal humerus with displacement >1 cm and varus angulation of >450. Severely comminuted fractures, open fractures and valgus impacted fractures were excluded from the study. The outcome was assessed using Neer's scoring system. RESULTS The average age was 54.3±5.8 years. As per the Neers classification system, there were 6 (11.32%) 1-part, 19 (35.85%) 2-part, 17 (32.085) and 11 (20.75%) 3 and 4-part fracture respectively. Average surgical duration was 94±10.2 minutes. Radiological union was seen at 12±4.6 weeks. There were 2 (3.77%) cases of varus collapse. Three (5.66%) cases had screw back out, which was later revised and had a favourable outcome. As per the Neer's scoring system, 7 (13.21%) cases had excellent results, 37 (69.81%) had satisfactory, 6 (11.32%) had unsatisfactory while 3 (05.66%) cases had poor outcomes. CONCLUSION PHILOS plating has a good functional outcome. However, proper patient selection, thorough knowledge of the anatomy and biomechanical principles are the pre-requisites for a successful surgery.

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