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Related Experiment Video

Updated: May 28, 2026

Reverse Total Shoulder Arthroplasty
10:10

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

Acromial fracture after reverse shoulder arthroplasty.

Nady Hamid1, Patrick M Connor, James F Fleischli

  • 1Sports and Shoulder/Elbow Center, OrthoCarolina, Charlotte, North Carolina, USA. nady_hamid@hotmail.com

American Journal of Orthopedics (Belle Mead, N.J.)
|October 21, 2011
PubMed
Summary

Acromial fractures after reverse shoulder arthroplasty (RSA) often do not unite but typically do not cause persistent pain. Nonoperative management is a reasonable option for this complication, despite reduced shoulder function.

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Muscles of the Shoulder01:23

Muscles of the Shoulder

The muscles surrounding the shoulder girdle, including the clavicle and scapula, primarily stabilize the scapula. This stable base allows other muscles to move the humerus effectively. Scapular movements often mirror those of the humerus and extend its range of motion. For instance, raising the arm above the head would not be feasible without simultaneous upward rotation of the scapula.
Anterior Thoracic Muscles
The anterior thoracic muscles include the serratus anterior, subclavius, and...

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering

Background:

  • Reverse shoulder arthroplasty (RSA) is a common procedure for complex shoulder conditions.
  • Acromial fractures are a potential complication following RSA.

Purpose of the Study:

  • To report on patient outcomes with acromial fractures after RSA.
  • To survey American Shoulder and Elbow Surgeons (ASES) members regarding their management and opinions on this complication.

Main Methods:

  • Retrospective review of 162 patients undergoing RSA.
  • Radiographic assessment and functional outcome measures (active forward elevation, ASES score).
  • Survey of ASES members on treatment and perceived outcomes of acromial fractures post-RSA.

Main Results:

Related Experiment Videos

Last Updated: May 28, 2026

Reverse Total Shoulder Arthroplasty
10:10

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

  • Eight patients (4.9%) experienced acromial fractures post-RSA.
  • Six of eight fractures did not unite; functional outcomes included mean active forward elevation of 71° and mean ASES score of 70.
  • Most patients reported no or mild pain, despite nonunion; 74% of surveyed surgeons favored nonoperative management.

    • Conclusions:

    • Acromial fractures after RSA have a high rate of nonunion and may lead to reduced shoulder function.
    • Despite nonunion, most patients do not experience chronic pain, supporting conservative management as a viable option.
    • Surgeon opinion aligns with conservative management, emphasizing functional decline over persistent pain for this complication.