Abstract
Purpose
Periprosthetic fractures around a stemless implant often involve lesser and greater tuberosities with a well-fixed implant in the metaphysis. This exposes the surgeon to unique questions and challenges as no surgical option (open reduction and internal fixation or revision to a stem) appears satisfactory to address them. Purpose of this study was to evaluate the clinical outcomes after non-operative management of periprosthetic fractures after stemless shoulder arthroplasty.
Methods
A retrospective multicenter study was conducted to identify all patients who had sustained non-operative management of a periprosthetic fracture after a stemless shoulder. Exclusion criteria were as follows: (1) intraoperative fractures and (2) implant loosening. Primary outcomes included mean Constant score and mean active range of motion. Secondary outcomes were VAS, radiological analysis, and complications.
Results
Nine patients were included. One was excluded due to the loss of follow-up at three months. Mean age was 79 years. At the last follow-up, no significant difference was observed between the Constant score, VAS, or the range of motion before fracture and at the last follow-up. Fracture healing did not result in any change in angulation in the frontal plane in seven cases and was responsible for a varus malunion in two cases of anatomic arthroplasty. No change in lateralization or distalization was reported. No cases of implant loosening after fracture have been observed.
Conclusions
Conservative management seems to be appropriate in cases of minimally displaced fractures without implant loosening.
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Data availability
Data and materials are available on demand.
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RD: writing and data collection.
MJ: data collection.
MS: data collection.
PM: data collection.
PT: data collection.
JDW: supervision.
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Dukan, R., Juvenspan, M., Scheibel, M. et al. Non-operative management of humeral periprosthetic fracture after stemless shoulder arthroplasty. International Orthopaedics (SICOT) 48, 253–259 (2024). https://doi.org/10.1007/s00264-023-06005-3
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DOI: https://doi.org/10.1007/s00264-023-06005-3