• Zi-zhang Liu, Guang-ming Zhang, and Tao Ge.
• Department of Orthopaedics, The First People's Hospital of Guangzhou, Yue-xiu District, Guangdong, China. liuzizhang_2009@163.com
• Orthop Surg. 2011 Nov 1; 3 (4): 253-8.

ObjectiveTo investigate the effect of treatment of osteoporotic proximal humeral fractures in elderly patients with a proximal humeral internal locking system (PHILOS) and minimally invasive injectable graft (MIIG).MethodsPatients who conformed to the inclusion criteria were randomly divided into two groups: group A (21 cases) were treated with PHILOS alone and group B (29 cases) were treated with PHILOS augmentation plus minimally invasive injectable graft (MIIG) X3 Hivisc. Postoperative follow-up was performed regularly to check for complications, reduction loss and fracture healing by imaging. Shoulder joint function was scored and clinical results evaluated according to the Neer scoring system.ResultsAll patients were followed-up and achieved fracture healing. The complication rate in group A (six cases) was greater than in group B (one case), the differences being statistically significant. The reduction loss in group A (2.9 ± 0.4 mm) was greater than in group B (1.5 ± 0.3 mm), this difference also being statistically significant. According to the Neer system, the excellent and good rate was 76.2% in group A and 82.8% in group B.ConclusionPHILOS using MIPPO and augmented with MIIG X3 Hivisc produces satisfactory clinical results in aged patients with osteoporotic proximal humeral fractures and the method has advantages such as relatively minor trauma, stable fixation, fewer complications, and better joint function.© 2011 Tianjin Hospital and Blackwell Publishing Asia Pty Ltd.

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