Stemless anatomic TSA result ed in similar functional outcomes and complication rates to stemmed TSA with decreased operative time and lower blood loss .
BACKGROUND Stemless anatomic total shoulder arthroplasty ( TSA ) is used in the treatment of osteoarthritis of the shoulder joint and other degenerative shoulder diseases .
It has several proposed advantages over stemmed TSA including increased bone preservation , decreased operative time , and easier removal at revision .
Radiological changes do not influence clinical mid-term outcome in stemless humeral head replacements with hollow screw fixation: a prospective radiological and clinical evaluation
Background Stemless shoulder arthroplasty is a fairly new concept . Clinical and radiological follow-up is essential to prove implant safety and concept . This prospect i ve single-centre study was performed to evaluate the influence of radiological changes on clinical mid-term outcome following stemless humeral head replacement with hollow screw fixation . Methods Short- and mid-term radiological and clinical evaluations were performed in 73 consecutive shoulders treated mainly for idiopathic and posttraumatic osteoarthritis with stemless humeral head arthroplasty including 40 hemi- ( HSA ) and 33 total shoulder arthroplasties ( TSA ) . Operating times of stemless implantations were compared to  110 stemmed anatomical shoulder prostheses .  Appearances of humeral radiolucencies or radiological signs of osteolysis or stress shielding were assessed on st and ardized radiographs . Patients ’ clinical outcome was evaluated using the Constant score and patients ’ satisfaction was documented . Results Radiological changes , detected in 37.0 % , did not affect clinical outcome . Constant scores significantly improved from baseline to short and mid-term follow-up ( p < 0.001 ) . The majority of patients ( 96.2 % ) were satisfied with the procedure . No loosening of the humeral head component was detected during a mean follow-up of 58 months . Operating times were significantly shorter with stemless compared to stemmed implants ( p < 0.001 ) . Conclusions Clinical mid-term outcome after stemless humeral head replacement was not affected by radiological changes . Trial registration The institutional review board ( St. Vincent Hospital Vienna ; 201212_EK01 ; date of issue : 11.12.2012 ) approved the study . The trial was registered at Clinical Trials.gov ( NCT02754024 ) . Retrospective registration
Stemless anatomic TSA result ed in similar functional outcomes and complication rates to stemmed TSA with decreased operative time and lower blood loss .
BACKGROUND Stemless anatomic total shoulder arthroplasty ( TSA ) is used in the treatment of osteoarthritis of the shoulder joint and other degenerative shoulder diseases .
It has several proposed advantages over stemmed TSA including increased bone preservation , decreased operative time , and easier removal at revision .