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Reverse total shoulder arthroplasty compared to stemmed hemiarthroplasty for proximal humeral fractures: a registry analysis of 5946 patients.

Abstract：

BACKGROUND:There is an increasing trend toward the use of reverse total shoulder arthroplasty (RTSA) over stemmed hemiarthroplasty (HA) for the management of proximal humeral fractures. There are limited data available comparing the revision rates for RTSA and HA in the setting of a fracture. The aim of this study was to compare the revision rates for RTSA and HA when used for the treatment of a fracture and to analyze the effect of demographics and prosthesis fixation on these revision rates. METHODS:Data obtained from the Australian Orthopaedic Association National Joint Replacement Registry from April 16, 2004, to December 31, 2017, included all procedures for primary diagnosis proximal humeral fracture. The analyses were performed using Kaplan-Meier estimates of survivorship and hazard ratios from Cox proportional hazards models. RESULTS:Over the study period, there were 3049 (51%) RTSA and 2897 (49%) HA procedures. The cumulative percent revision rate at 9 years was lower for the RTSA than for the HA: 7.0% (95% confidence interval [CI], 4.8-10.1) compared with 11.7% (95% CI, 10.3-13.2). Between 0 and 6 months, the HA had a significantly lower revision rate than the RTSA (hazard ratio, 0.50; 95% CI, 0.34-0.72; P < .001). Between 6 month and 3 years, the HA had a significantly higher revision rate. For the RTSA, males have a significantly higher rate of revision compared with females. There is a higher rate of early revision due to instability in younger persons (55-64) and males. For both RTSA and HA, cemented prostheses have lower revision rates compared with cementless prostheses. CONCLUSIONS:RTSA has a significantly lower revision rate compared with HA for the treatment of proximal humeral fractures in females. Younger patients (<65) and males are at risk of early revision secondary to instability. In these patient groups, either alternatives to RTSA or further attention to fixation of tuberosities and shoulder rehabilitation may be indicated.

journal_name

J Shoulder Elbow Surg

journal_title

Journal of shoulder and elbow surgery

authors

Critchley O,McLean A,Page R,Taylor F,Graves S,Lorimer M,Peng Y,Hatton A,Bain G

doi

10.1016/j.jse.2020.04.005

subject

Has Abstract

pub_date

2020-12-01 00:00:00

pages

2538-2547

issue

eissn

1058-2746

issn

1532-6500

pii

S1058-2746(20)30306-2

journal_volume

pub_type

杂志文章

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Reverse total shoulder arthroplasty compared to stemmed hemiarthroplasty for proximal humeral fractures: a registry analysis of 5946 patients.