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Related Experiment Video

Updated: Feb 20, 2026

Reverse Total Shoulder Arthroplasty
10:10

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

44.1K

Platform shoulder arthroplasty: a systematic review.

Jacob M Kirsch1, Moin Khan2, Patrick Thornley2

  • 1MedSport, Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI, USA.

Journal of Shoulder and Elbow Surgery
|October 20, 2017
PubMed
Summary
This summary is machine-generated.

Retaining the humeral stem during conversion shoulder arthroplasty significantly reduces complications, operative time, and blood loss compared to stem exchange. This approach offers a safer and more efficient surgical option for patients requiring reverse total shoulder arthroplasty.

Keywords:
Platform arthroplastyconversion shoulder arthroplastyconvertible arthroplastymodular arthroplastyreverse total shoulder arthroplastyshouldertotal shoulder arthroplasty

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Arthroplasty Research

Background:

  • Platform shoulder arthroplasty systems facilitate conversion to reverse total shoulder arthroplasty (RTSA) without humeral stem removal.
  • Evaluating complications of humeral stem exchange versus retention is crucial for optimizing RTSA conversion procedures.

Purpose of the Study:

  • To compare complications associated with humeral stem exchange versus retention during RTSA conversion using platform systems.

Main Methods:

  • Systematic literature search of PubMed, MEDLINE, CINAHL, and Embase up to October 2016.
  • Inclusion of studies comparing stem retention vs. exchange in conversion RTSA.
  • Pooled analysis of complications, operative time, blood loss, and reoperations.

Main Results:

  • Humeral stem exchange was linked to significantly higher overall complications (OR, 6.89) and fractures (OR, 4.62).
  • Stem exchange also resulted in increased operative time (mean difference, 62.09 min) and blood loss (mean difference, 260.06 mL).
  • Reoperation risk was notably higher with humeral stem exchange (P=.0437).

Conclusions:

  • Humeral stem retention in conversion arthroplasty is associated with fewer complications, less blood loss, and shorter operative times.
  • This approach may lead to a reduced need for reoperations compared to stem exchange.
  • Stem retention offers a potentially safer and more efficient strategy for RTSA conversion.