• Ashok S Gavaskar, Bhupesh Karthik B, Naveen C Tummala, Parthasarathy Srinivasan, and Hitesh Gopalan.
• Parvathy Hospital, Chennai, India. Electronic address: gavaskar.ortho@gmail.com.
• Injury. 2016 Nov 1; 47 (11): 2534-2538.

ObjectivesHumeral head sacrificing procedures are more favored in elderly patients with complex proximal humerus fractures because of high incidence of failures and complications with osteosynthesis. The purpose of this study is to assess the outcome of second generation locked plating techniques in 3 and 4 part fractures in active elderly patients >70years with an emphasis on function and complications.Materials And Methods29 patients with displaced 3 and 4 part proximal humerus fractures were treated using the principles of second-generation proximal humerus locked plating. Fixed angle locked plating (PHILOS) using the anterolateral deltoid spilt approach augmented with traction cuff sutures was performed. Minimum of 7 locking head screws including 2 calcar screws were used. In cases with a comminuted medial calcar, an endosteal fibular strut was used. Subchondral metaphyseal bone voids were filled with injectable calcium phosphate cement. Radiological outcome (union, head - shaft angle, tuberosity reduction), functional outcome assessment (Constant and ASES scores) and complications (loss of reduction, nonunion and osteonecrosis) were assessed.ResultsThe fracture united in 24 of the 26 patients available for follow up at a mean of 27 months (12-40 months). 3 patients developed complications that required arthroplasty (fixation failure in 2 patients and osteonecrosis in 1 patient). Follow up age adjusted Constant (63.1±11.9) and ASES scores (62.58±7.5) showed the extent of functional improvement post surgery. Patients with fractures having a non-comminuted medial calcar and valgus displacement of the humeral head had better functional scores and fewer complications.ConclusionOsteosynthesis with second generation locked plating techniques provide satisfactory outcome in very elderly patients with complex proximal humerus fractures with minimal complications.Copyright © 2016 Elsevier Ltd. All rights reserved.

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