A quantitative method for determining medial migration of the humeral head after shoulder arthroplasty: preliminary results in assessing glenoid wear at a minimum of two years after hemiarthroplasty with concentric glenoid reaming

Journal of Shoulder and Elbow Surgery
Deana M MercerFrederick A Matsen

Abstract

Glenoid erosion and medial migration of the humeral head prosthesis have been observed after most types of shoulder arthroplasty. A method of measuring the change in humeral head position with time after shoulder prosthetic arthroplasty was applied it to 14 shoulders that underwent humeral hemiarthroplasty with concentric glenoid reaming. We hypothesized that the measurement technique would be reproducible and that the rate of wear would be small in the series of shoulders studied. Standardized anteroposterior and axillary radiographs were obtained after surgery. Two examiners measured the position of the humeral head center in relation to scapular reference coordinates for the anteroposterior and axillary projections and plotted these values against time after surgery. The change in position was characterized as the slope of this plot. Shoulders were included if there were at least 3 sets of postoperative films, the last being at least 2 years after surgery. The slopes measured by the 2 examiners agreed within 0.5 mm/y for the anteroposterior and the axillary projections. For the series of shoulder arthroplasties, the rate of movement of the head center toward the scapula was less than 0.4 mm/y for either examiner in either pr...Continue Reading

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Citations

Jan 25, 2016·Current Reviews in Musculoskeletal Medicine·Nikolas K KnowlesGeorge S Athwal
Jun 26, 2013·Journal of Shoulder and Elbow Surgery·Jason E HsuDavid L Glaser
May 18, 2016·International Journal of Shoulder Surgery·Joe de Beer, Deepak N Bhatia
Dec 10, 2014·Clinical Orthopaedics and Related Research·Frederick A MatsenSarah E Jackins
Jan 27, 2015·International Orthopaedics·Frederick A Matsen
May 19, 2007·Journal of Shoulder and Elbow Surgery·Amy K FrantaFrederick A Matsen
Aug 23, 2016·Journal of Shoulder and Elbow Surgery·Ramin HerschelDominik C Meyer
Mar 23, 2010·Journal of Shoulder and Elbow Surgery·Richard C MatherClaude T Moorman
Sep 8, 2001·The Journal of Arthroplasty·M M Scarlat, F A Matsen
Mar 23, 2011·Journal of Shoulder and Elbow Surgery·Jean-François GonzalezPascal Boileau
Apr 11, 2013·Journal of Shoulder and Elbow Surgery·Mark T DillonEdward H Yian
Apr 18, 2003·Journal of Shoulder and Elbow Surgery·Joanne P J MinekusJenny Dankelman
Apr 29, 2015·Journal of Biomechanics·Sevan R OungoulianGerard A Ateshian
Sep 28, 2017·The Journal of the American Academy of Orthopaedic Surgeons·Charles L GetzGerald R Williams
Aug 2, 2017·The Journal of Bone and Joint Surgery. American Volume·Jeremy S SomersonFrederick A Matsen
Oct 10, 2012·JBJS Essential Surgical Techniques·Frederick A Matsen, Steven B Lippitt
Aug 30, 2012·Clinical Orthopaedics and Related Research·Surena NamdariDavid Glaser

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