Increased complication rates of salvage reverse total shoulder arthroplasty (RTSA) after failed locked plate fixation compared with primary RTSA in the treatment of proximal humeral fractures in elderly patients

Jeanette Koeppe, Josef Stolberg-Stolberg, Robert Rischen, Moritz Freistuehler, Andreas Faldum, Michael J. Raschke, J. Christoph Katthagen