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BMC Musculoskelet Disord. 2016 Aug 30;17(1):376. doi: 10.1186/s12891-016-1235-0.

Anatomic stemless shoulder arthroplasty and related outcomes: a systematic review.

Author information

1
Department of Shoulder and Elbow Surgery, ATOS Clinic Munich, Effnerstraße 38, 81925, München, Germany. hawi.nael@mh-hannover.de.
2
Trauma Department, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany. hawi.nael@mh-hannover.de.
3
Department of Shoulder and Elbow Surgery, ATOS Clinic Munich, Effnerstraße 38, 81925, München, Germany.
4
Department of Traumatology and Sports Injuries, Paracelsus Medical University, Salzburg, Austria.
5
Boston Shoulder Institute/Harvard Medical School, Boston, MA, USA.
6
Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technical University, Munich, Germany.

Abstract

BACKGROUND:

The latest generation of shoulder arthroplasty includes canal-sparing respectively stemless designs that have been developed to allow restoration of the glenohumeral center of rotation independently from the shaft, and to avoid stem-related complications. The stemless prosthesis design has also recently been introduced for use in reverse arthroplasty systems.

METHODS:

We systematically reviewed the literature for studies of currently available canal-sparing respectively stemless shoulder arthroplasty systems. From the identified series, we recorded the indications, outcome measures, and humeral-sided complications.

RESULTS:

We identified 11 studies of canal-sparing respectively stemless anatomic shoulder arthroplasty implants, published between 2010 and 2016. These studies included 929 cases, and had a mean follow-up of 26 months (range, 6 to 72 months). The rates of humeral component-related complications ranged between 0 and 7.9 %. The studies reported only a few isolated cases of complications of the humeral component. Some arthroplasty systems are associated with radiological changes, but without any clinical relevance.

CONCLUSIONS:

All of the published studies of canal-sparing respectively stemless shoulder arthroplasty reported promising clinical and radiological outcomes in short to midterm follow-up. Long-term studies are needed to demonstrate the long-term value of these kind of implants.

KEYWORDS:

Canal-sparing; Posttraumatic shoulder arthritis; Shoulder arthritis; Shoulder arthroplasty; Stemless; Total shoulder arthroplasty

PMID:
27577859
PMCID:
PMC5006279
DOI:
10.1186/s12891-016-1235-0
[Indexed for MEDLINE]
Free PMC Article

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