Abstract
Introduction-objectivesTo describe the incidence, etiological factors, functional impairment and therapeutic management of scapular fractures after reverse shoulder arthroplasty (RSA) in rotator cuff arthropathy. Material and methodA retrospective study was conducted on 126 RSA between 2009 and 2011, in which four fractures were identified that were compared with a control group of 40 patients. An analysis was performed on the variables related to the surgical technique, functional results, and quality of life (Constant scale, EQ-5D). ResultsThe fracture incidence was 3.28% with a mean age of 74.7 years. The mean time until diagnosis was 11.9 months.The preoperative Constant score in the control group was 37.3%, and 34.7% in the fracture group (P>.05); postoperative Constant score: 81.2 and 66.5%, respectively (P>.001). Forward elevation and abduction in fracture patients decreased by 39° (P=.02), and 34° (P=.057) respectively. The perceived quality of life (EQ-VAS) was lower in the fracture group (60 vs. 76) (P=.002).There were no instability cases, and no revision surgery was required. The union rate was 50% after a mean follow-up 39.6 months. ConclusionsScapular fracture after RSA is a rare complication. Despite its presence, the functional outcomes and quality of life of these patients are higher than preoperatively; however, they are lower than that obtained in patients with RSA without this complication. More prospective studies are needed to define guidelines for therapeutic action against this complication.
Published Version
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