• Rocco Erasmo, Giovanni Guerra, and Luigi Guerra.
• Department of Orthopaedics and Traumatology, Ospedale Civile Santo Spirito, Pescara, Italy.
• Injury. 2014 Dec 1;45 Suppl 6:S43-8.

ObjectiveTo present the experience in a single institution of the management of 82 consecutive fractures and fracture-dislocations of the proximal humerus treated with the Proximal Humeral Internal Locking System (Philos(®)) plate.Materials And MethodsA total of 81 patients with 82 proximal humerus fractures (one patient had bilateral fracture) were treated at our institution with open reduction and internal fixation with Philos(®) plate from January 2008 to December 2012 and the clinico-radiological outcome was analysed. Twelve of these patients also had a dislocation of the proximal humerus. According to the Neer classification, there were seven two-part fractures, 40 three-part fractures and 35 four-part fractures. All patients received a similar physical therapy programme following internal fixation. Mean final follow-up was 32 months. Functional outcome was evaluated for each patient using the Constant-Murley score; radiographic evaluation was also conducted and complications were recorded.ResultsAt the end of the follow-up period, the mean Constant-Murley score for the injured side was 75 points (range 42-92); results were graded as excellent for eight patients, good for 52, moderate for 17 and poor for five. Twenty-three patients (28%) had complications during the follow-up period. Reoperation was required in 12 patients. Complications included avascular necrosis of the humeral head in 10 patients (12%), varus positioning of the head in four patients (4.8%), impingement syndrome in three patients (3.6%), secondary screw perforation in three patients (3.6%), non-union of the fracture in two patients (2.4%) and infection in one patient (1.2%).ConclusionsOpen reduction and internal fixation of proximal humeral fractures with the Philos(®) plate was associated with good clinical outcomes provided the correct surgical technique was used. To better evaluate the real incidence of complications, it is important to follow patients for more than one year after surgery as some complications may arise after this time.Copyright © 2014 Elsevier Ltd. All rights reserved.

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