Reverse total shoulder arthroplasty has been widely used in the treatment of rotator cuff arthropathy. Follow-up has historically focused on the glenoid component because of problems with fixation and scapular notching leading to functional failure. Since several patients have shown cortical thinning of the proximal lateral humeral cortex during follow-up, further research is recommended to evaluate the cause and clinical impact of these radiographic changes. The goal of this study is to collect long-term radiographic and clinical data in order to facilitate the identification of risk factors.
Reverse total shoulder arthroplasty has been widely used in the treatment of rotator cuff arthropathy. Follow-up has historically focused on the glenoid component because of problems with fixation and scapular notching leading to functional failure. Fixation of the humeral component has evolved from cemented to mostly uncemented with diaphyseal of metaphyseal press-fit stems. Bony changes around the stem reflect the bone-implant interface; research to evaluate and interpret these changes is insufficient at this moment. Since several patients have shown cortical thinning of the proximal lateral humeral cortex during follow-up, further research is recommended to evaluate the cause and clinical impact of these radiographic changes. The goal of this study is to collect long-term radiographic and clinical data in order to facilitate the identification of risk factors.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
123
Long-term radiographic and clinical data of patients who underwent a reverse shoulder replacement
UZ Leuven
Leuven, Vlaams-Brabant, Belgium
Shoulder X-ray
To describe bony reaction at the bone-implant interface for the humeral component of a reverse shoulder arthroplasty. End-point radiographs will be compared to radiographs taken postoperatively in order to define stress shielding and/or bone resorption in the 5 humeral zones described by Nagels et al.
Time frame: up to 20 months
Clinical outcome
To relate bony changes at the bone-implant interface of the humeral component of a reverse total shoulder arthroplasty to clinical outcome
Time frame: up to 20 months
Constant-Murley score
To evaluate the functional state of the shoulder in patients with shoulder complaints
Time frame: up to 20 months
Short Form 36 Health Survey Questionnaire (SF-36)
To indicate the health status and pain scales
Time frame: up to 20 months
Net Promotor Score (NPS)
To evaluate patient satisfaction after surgery
Time frame: one time visit
Anchor Question Shoulder Score
To measure the change in general daily functioning and pain symptoms after shoulder surgery
Time frame: up to 20 months
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