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Some news about the reverse total shoulder

Some news about the reverse total shoulder

Recent articles and topics of interest about the reverse total shoulder.

*The fixation of single piece (non-modular, monobloc) reverse total shoulder humeral components is more stable than that of modular components when the proximal humeral bone is deficient.

The authors of Torsional stability of modular and non-modular reverse Shoulder humeral component in a proximal Humeral bone loss model tested the torsional stability of three Sawbones humeri, prepared to simulate proximal bone loss and intact humerus, were fitted with three reverse humeral-stem designs. Two of these stems are modular and the other monobloc. All failures of fixation, in either intact or bone-loss humeri were modular implants. In the bone loss model, all of the modular humeral components failed at the connection between the humeral socket and the humeral stem. None of the single piece (non-modular, monobloc) humeral components failed in either the intact or bone loss humeri.

In cases of proximal bone deficiency, the addition of allograft may add to stability; however, as shown in the case below, the humeral socket-stem junction of a modular humeral component is still at risk for failure.

*Who gets acromial/spine fractures and in what part of the scapula do they occur?

The following is a list of the most recent articles. 

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