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Title: | Biomechanical Analysis of Abductor Pollicis Longus Lasso Suspensionplasty for Trapeziectomy |
Authors: | Sivakumar, B. Graham, D. Yang, O. O. Lawson, R. |
SWSLHD Author: | Graham, David Yang, Owen Ou |
Affiliates: | Department of Hand & Peripheral Nerve Surgery, Royal North Shore Hospital, St Leonards, Australia Department of Orthopaedic Surgery, Gold Coast University Hospital, Southport, Australia Department of Hand & Peripheral Nerve Surgery, Sydney Southwest Hand Centre, Fairfield Hospital, Prairiewood, Australia Australian Research Collaboration on the Hand, Palm Beach, Australia |
Department: | Fairfield Hospital, South Western Sydney Hand Centre |
Issue Date: | 2022 |
Journal: | Journal of Hand Surgery |
Abstract: | Purpose: Multiple methods of ligament reconstruction and tendon interposition (LRTI) or suspension have been described to prevent first metacarpal subsidence following trapeziectomy. An abductor pollicis longus (APL) lasso is a newly described technique of suspensionplasty, which aims to obviate concerns regarding previously described methods. The purpose of this study was to compare subsidence between the APL lasso and 2 other common methods, APL sling and flexor carpi radialis LRTI, after trapeziectomy in cadaveric forearms. Methods: Ten cadaveric forearms were prepared on a custom-made plinth to recreate pinch grip upon the loading of previously identified muscles. A sequence of procedures was performed, with radiographs taken after each to assess the subsidence. Results: The APL lasso was superior to simple trapeziectomy and flexor carpi radialis LRTI in preventing subsidence. Conclusions: The APL lasso was superior to simple trapeziectomy and flexor carpi radialis LRTI in preventing subsidence, and it may be a viable alternative when considering suspension methods after trapeziectomy. Clinical relevance: The APL lasso may be considered when trying to prevent subsidence after trapeziectomy. Keywords: Abductor pollicis longus; base of thumb arthritis; subsidence; suspensionplasty; trapeziectomy. Copyright © 2022 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved. |
URI: | https://swslhd.intersearch.com.au/swslhdjspui/handle/1/784 |
Digital object identifier: | 10.1016/j.jhsa.2021.06.012 |
Appears in Collections: | Fairfield Hospital |
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