Humeral component modularity may not be an important factor in the outcome of shoulder arthroplasty for glenohumeral osteoarthritis.

R. Sean Churchill, Branko Kopjar, Edward V. Fehringer, Richard S. Boorman, Frederick A. Matsen

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

We examined the outcomes of using 3 types of humeral prostheses in total shoulder arthroplasty for osteoarthritis: a modular prosthesis with variable head diameters (MV), a nonmodular prosthesis with variable head diameters (NV), and a nonmodular prosthesis with a fixed head diameter (NF). Patients (N=101) completed self-assessments of shoulder function and health status before surgery and at follow-up between 30 and 60 months after surgery. Outcomes for the MV and NV prostheses did not differ statistically. The NF prosthesis trended toward poorer functional scores. Two Short Form-36 dimensions were statistically significantly lower (P<.05) in the NF group than in the MV and NV groups. These results fail to confirm that humeral component modularity is an important factor in the outcome of shoulder arthroplasty.

Original languageEnglish (US)
Pages (from-to)173-176
Number of pages4
JournalAmerican journal of orthopedics (Belle Mead, N.J.)
Volume34
Issue number4
StatePublished - Apr 2005
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)

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