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Cavinatto L, Khatib O, Martusiewicz A, et al. Radiographic evaluation of humeral head reconstruction with stemmed and stemless spherical implants compared with stemless elliptical head implants. JSES Int. 2021;5(5):889-893doi: 10.1016/j.jseint.2021.04.015.
Cavinatto, L., Khatib, O., Martusiewicz, A., Koueiter, D. M., Wiater, B. P., & Wiater, J. M. (2021). Radiographic evaluation of humeral head reconstruction with stemmed and stemless spherical implants compared with stemless elliptical head implants. JSES international, 5(5), 889-893. https://doi.org/10.1016/j.jseint.2021.04.015
Cavinatto, Leonardo, et al. "Radiographic evaluation of humeral head reconstruction with stemmed and stemless spherical implants compared with stemless elliptical head implants." JSES international vol. 5,5 (2021): 889-893. doi: https://doi.org/10.1016/j.jseint.2021.04.015
Cavinatto L, Khatib O, Martusiewicz A, Koueiter DM, Wiater BP, Wiater JM. Radiographic evaluation of humeral head reconstruction with stemmed and stemless spherical implants compared with stemless elliptical head implants. JSES Int. 2021 May 23;5(5):889-893. doi: 10.1016/j.jseint.2021.04.015. eCollection 2021 Sep. PMID: 34505101; PMCID: PMC8411049.
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JSES Int. 2021 May 23;5(5):889-893. doi: 10.1016/j.jseint.2021.04.015. eCollection 2021 Sep.

Radiographic evaluation of humeral head reconstruction with stemmed and stemless spherical implants compared with stemless elliptical head implants.

JSES international

Leonardo Cavinatto, Omar Khatib, Alexander Martusiewicz, Denise M Koueiter, Brett P Wiater, J Michael Wiater

Affiliations

  1. Department of Orthopaedic Surgery, Beaumont Health, Royal Oak, MI, USA.

PMID: 34505101 PMCID: PMC8411049 DOI: 10.1016/j.jseint.2021.04.015

Abstract

BACKGROUND: The purpose of this study was to compare the accuracy of anatomic reconstruction of three different humeral head designs after anatomic total shoulder arthroplasty.

METHODS: Postoperative radiographs of 117 patients who underwent anatomic total shoulder arthroplasty with three different implant designs (stemmed spherical, stemless spherical, and stemless elliptical) were analyzed for landmarks that represented the prearthritic state and final implant position. We assessed the change in center of rotati7on and humeral head height on the anteroposterior view and the percentage of prosthesis overhang on the axillary lateral view. A modified anatomic reconstruction index, a compound score that rated each of the 3 parameters from 0 to 2, was created to determine the overall accuracy of the reconstruction.

RESULTS: Excellent modified anatomic reconstruction index scores (5 or 6 points) were achieved by 68.1% of the cases in the stemless elliptical group compared with 33.3% of the cases in the stemless spherical group and by 28.3% of the cases in the stemmed spherical group (

CONCLUSIONS: In this radiographic investigation comparing three different humeral head designs with respect to anatomic restoration parameters, the stemless elliptical implant more closely restored the geometry of the prearthritic humeral head as assessed by humeral head height, prosthesis overhang, and a compound reconstruction score.

© 2021 The Author(s).

Keywords: Anatomic total Shoulder arthroplasty; Humeral head reconstruction; Radiographic study; Stemless Elliptical humeral head; Stemless humeral head; Stemmed humeral head

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