The ipsilateral olecranon tip is a suitable anatomic autograft for unrepairable coronoid fractures: A comparative three-dimensional mapping analysis.

Autor:	Putman SA; Indiana Hand to Shoulder Center, Indianapolis, IN, USA., Farooq H; Department of Orthopaedic Surgery and Rehabilitation, Loyola University Health System, Maywood, IL, USA., Chauhan A; Department of Orthopaedic Surgery, Allegheny General Hospital, Pittsburgh, PA, USA., Jiang F; Department of Mechanical Engineering, Purdue School of Engineering and Technology at IUPUI, Indianapolis, IN, USA., Chen J; Department of Mechanical Engineering, Purdue School of Engineering and Technology at IUPUI, Indianapolis, IN, USA., Hastings H 2nd; Indiana Hand to Shoulder Center, Indianapolis, IN, USA., Merrell GA; Indiana Hand to Shoulder Center, Indianapolis, IN, USA.
Jazyk:	angličtina
Zdroj:	Shoulder & elbow [Shoulder Elbow] 2024 Jul; Vol. 16 (4), pp. 436-442. Date of Electronic Publication: 2022 Nov 17.
DOI:	10.1177/17585732221140109
Abstrakt:	Background: Perform computed tomography (CT) three-dimensional (3D) mapping analysis of the ipsilateral olecranon tip to determine its suitability as an autograft for unrepairable coronoid fractures. Methods: CT was evaluated using Mimics 13.0 and 3-matic software (Materialise, Inc., Leuven, Belgium). Coronoid fracture fragment was measured from the medial sublime tubercle to the halfway point of the proximal radioulnar joint. Ipsilateral olecranon tip graft was measured at the equivalent height of the coronoid fragment and the angle of graft "cut" necessary to match the coronoid fragment was measured. The overall width of each graft site was measured in thirds and the congruity of surface geometry was measured by overlapping both fragments. The ipsilateral olecranon tip lateral facet which rotates to become the coronoid medial facet was also measured. Results: The olecranon tip and coronoid fragments were similar in average maximum height and width. The average angle of graft cut needed to match the coronoid fragment was 86°. The average difference between the medial facet of the coronoid and lateral facet of the olecranon was <2 mm. Discussion: The ipsilateral olecranon tip can be harvested through the same surgical incision and function as a local autograft during reconstruction of unrepairable coronoid fractures. Competing Interests: The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article. (© The Author(s) 2022.)
Databáze:	MEDLINE
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