Congratulations to Dr. Samuel Harmsen for his recent publication!
Title: Radiographic evaluation of short-stem press-fit total shoulder arthroplasty: short-term follow-up
Authors: Danielle Casagrande, Di Parks, Travis Torngren, Mark Schrumpf, Samuel Harmsen, Tom R. Norris, James D. Kelly
DOI: 10.1016/j.jse.2015.11.067. Published in July 2016
This publication evaluated the results of a short stem device for total shoulder arthroplasty which helps us to better understand the optimal implants styles to use in patients in order to get the most predictable result.
Humeral loosening is an uncommon etiology for revision shoulder arthroplasty. We aimed to evaluate the radiographic and clinical outcomes of a short-stem press-fit humeral component after primary total shoulder arthroplasty.
We reviewed our patient database, from January 2008 to December 2011, for primary total shoulder arthroplasties performed with a short-stem press-fit humeral component. Radiographs and clinical outcomes were evaluated in the immediate postoperative period and at the most recent follow-up, with at least 24 months of data for all patients.
There were 73 shoulders that met our inclusion criteria, but 4 underwent revision before 2 years’ follow-up. Only 1 of these 4 was revised for aseptic humeral loosening. Sixty-nine shoulders had at least 24 months of radiographic follow-up, and 62 had radiographic and clinical follow-up. Of the 69 shoulders, 5 underwent revision for humeral loosening: 1 for aseptic loosening and 4 for infection. Two other shoulders with humeral loosening were asymptomatic, and the patients refused revision surgery. The overall revision rate for humeral loosening was 8.2% (6 of 73 shoulders). Radiolucent zones of any size were seen in 71.0%, with 8.7% of these shoulders identified as having humeral stems at risk of future loosening. Significant improvements were made in most of the measured clinical outcomes.
A high percentage of radiolucency was seen around the short-stem press-fit humeral components evaluated in this study at short-term follow-up. The overall rates of loosening and revision for the humeral implant examined in this study are higher than those noted in other recent studies evaluating press-fit stems. The cause of radiolucency and humeral loosening for this implant is not fully understood.
To read the full publication click the provided link: http://www.jshoulderelbow.org/article/S1058-2746(15)00697-7/fulltext
To learn more about Dr. Harmsen call 602-277-6211 or visit www.tocamd.com
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