Small implants nella protesica di spalla
Abstract
SMALL IMPLANTS IN SHOULDER ARTHROPLASTY
In over a century of history, shoulder prosthetics has seen numerous developments in terms of both design and surgical
indications: from the first monobloc hemiarthroplasty proposed by Neer, many innovations have occurred, which led
to the development of complete modular prostheses. Nowadays, anatomic shoulder arthroplasties are able to adapt to
patient-specific anatomical characteristics. Reverse shoulder arthroplasty, which revolutionised articular
biomechanics, has provided a possible solution for the treatment of patients with rotator cuff failure. The attempt to
reduce complications related to traditional implants and the desire to guarantee greater bone stock preservation have
pushed the research towards a progressive reduction in humeral stem length until its complete elimination. At the
same time, researchers have studied and developed surface implants that reduce pain with minimal changes in the
original anatomy. Humeral head resurfacing consists in a metal cap that covers the articular portion of the proximal
humeral epiphysis without any substantial osteotomy of the humeral head. Despite their recent introduction, the
results offered by the so-called small implants appear to be very promising and it is reasonable to expect their
significant diffusion in the future.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright
© Società Italiana Ortopedici Traumatologi Ospedalieri d’Italia 2019 , 2019
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