Tuesday, January 28, 2014

Reverse total shoulder (TESS) - high rate of glenoid loosening

Clinical and radiological outcome of the Total Evolutive Shoulder System (TESS®) reverse shoulder arthroplasty: a prospective comparative non-randomised study.

These authors reviewed 37 consecutive patients (40 shoulders) underwent TESS RSA (see figure below) between October 2007 and January 2012; 16 were stemless and 26 were stemmed. At a mean follow-up of 39 months (15-66) there were four glenoid loosenings. In 12 shoulders had developed scapular notching and seven already had scapular bone impression evident on initial post-operative radiographs. 

Comment: We have no experience with this prosthesis. It appears that the quality of glenoid fixation with this system may be less robust than some other systems.

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