Internal Medicine and Medical Investigation Journal

ISSN: 2474-7750

Features of Three- and Four-Part Proximal Humeral Fractures and Outcome of Internal Fixation Using the Philos? Locking Plate

Abstract

Author(s): Ali Sadighi, Bahamin Attar, Alireza Sadeghpour, Hojjat Hossein Pourfeizi, Hossein Aslani1, Arash Sakhaei, Zahra Azizian

Background: Proximal humeral fractures are among common types of fractures and remain a challenging issue for surgical management. This study aimed to assess the clinical outcomes and complication rates of three- vs. four-part proximal humeral fractures, treated with internal fixation using the Philos® plate. Methods: In this cohort study, a total of 30 consecutive patients with three-part or four-part proximal humeral fractures based on the Neer classification were included. Surgical treatment was performed with open reduction and internal fixation using the Philos® plate. The Constant score was evaluated 6 months later in follow-up. The P<0.05 was considered significant. Results: Four-part fractures were mainly caused by trauma from above, while insults of opposite direction were responsible for more than half of 3 part fractures (P=0.01). Open fractures were only observed in patients with a four-part fracture (P=0.018). No significant differences were noticed regarding gender, cause, and side of the fracture. The presence of other fractures, implant failure, reduction loss, avascular necrosis (AVN) of humeral head, rotator cuff injury, and revision surgery were significantly higher in patients with four-part fractures. The mean Constant score was 81.40±11.61 and 65.09±16.09 for three-part and four-part fractures, respectively (P=0.006). Conclusion: Open reduction and internal fixation with Philos® plate yield acceptable results in both types of fractures, however, the prognosis of this intervention is poorer four-part fractures

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