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The objective was to identify whether arthroplasty or conservative treatment is the best available treatment for three- and four-part proximal humeral fractures by analyzing the outcome measure of the Constant score. We conducted an electronic search. The systematic review included 33 studies encompassing 1096 patients with three- or four-part proximal humeral fractures that used the Constant score as outcome measure. The mean Constant score in the conservative group was 66.5 and in the arthroplasty group was 55.5. The difference could be attributed to selection bias, unreliable classification of the fractures and inter-observer differences in the assessment of the Constant score.

the open orthopaedics journal

Primary Shoulder Arthroplasty Versus Conservative Treatment for Comminuted Proximal Humeral Fractures: A Systematic Literature Review~!2009-10-19~!2009-12-15~!2010-02-17~!