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International Orthopaedics

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01-12-2020 | Original Paper

Tuberosity union in patients with proximal humerus fractures treated with reverse shoulder arthroplasty: a technical note and exploratory analysis

Authors: Florian Hess, Laurent Bohnert, Laurenz Jaberg, JoEllen Welter, Hans-Christoph Pape, Andrea Sireus

Published in: International Orthopaedics | Issue 12/2020

Abstract

Purpose

The use of reverse shoulder arthroplasty (RSA) to treat complex humerus fractures is increasing, especially in older, osteoporotic patients. Refixation and tuberosity healing are needed to achieve an optimal range of motion (ROM), external rotation, active forward elevation, and patient satisfaction. Proper healing has been reported, however, in only 40–84% of cases. Our study’s aim was to describe a simple, reproducible fixation technique designed to improve tuberosity healing.

Methods

We included 30 patients with acute proximal humerus fractures undergoing RSA (Global Unite Reverse Fracture, DePuy Synthes, Warsaw, IN, USA) with tuberosity reattachment. The humerus stem was cemented in 24 cases. A standardized suture technique with two fiber tapes was used to reattach tuberosities. Clinical and radiological parameters, which were collected one year post-operatively, included ROM, pain level, Constant scores, subjective shoulder value (SSV), and tuberosity healing.

Results

The mean age of the patients was 79.3 years (± 7; range 65–92), and the tuberosity healing rate was 90.0% (27 of 30). Two patients showed migration (one nonunion, one malunion), and another had complete resorption after an initial period of proper healing. Radiolucent lines around the humerus stem occurred in one case, and three patients had scapular notching. The mean SSV was 86% (± 11; range 60–100), the Constant score was 72 (± 10.3; range 48–92), the active forward flexion was 140° (± 14.3; range 115–165), and external rotation was 23° (± 16.5; range 0–50).

Conclusions

This reattachment technique, which is simple and reproducible, achieved a higher tuberosity healing rate than previously published rates.

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Title: Tuberosity union in patients with proximal humerus fractures treated with reverse shoulder arthroplasty: a technical note and exploratory analysis
Authors: Florian Hess
Laurent Bohnert
Laurenz Jaberg
JoEllen Welter
Hans-Christoph Pape
Andrea Sireus
Publication date: 01-12-2020
Publisher: Springer Berlin Heidelberg
Published in: International Orthopaedics / Issue 12/2020
Print ISSN: 0341-2695
Electronic ISSN: 1432-5195
DOI: https://doi.org/10.1007/s00264-020-04831-3

At a glance: The STEP trials

Springer Medicine

Tuberosity union in patients with proximal humerus fractures treated with reverse shoulder arthroplasty: a technical note and exploratory analysis

Abstract

Purpose

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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