A comparison of surgical exposures for posterolateral osteochondral lesions of the talar dome

Alistair I. W. Mayne, Robert Lawton, Michael J. Reidy, Fraser Harrold, George Chami

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    Background: Perpendicular access to the posterolateral talar dome for the management of osteochondral defects is difficult. We examined exposure available from each of four surgical approaches.

    Materials and methods: Four surgical approaches were performed on 9 Thiel-embalmed cadavers: anterolateral approach with arthrotomy; anterolateral approach with anterior talo-fibular ligament (ATFL) release; anterolateral approach with antero-lateral tibial osteotomy; and anterolateral approach with lateral malleolus osteotomy. The furthest distance posteriorly allowing perpendicular access with a 2 mm k-wire was measured.

    Results: An anterolateral approach with arthrotomy provided a mean exposure of the anterior third of the lateral talar dome. A lateral malleolus osteotomy provided superior exposure (81.5% vs 58.8%) compared to an anterolateral tibial osteotomy.

    Conclusions: Only the anterior half of the lateral border of the talar dome could be accessed with an anterolateral approach without osteotomy. A fibular osteotomy provided best exposure to the posterolateral aspect of the talar dome.

    Original languageEnglish
    Pages (from-to)107-109
    Number of pages3
    JournalFoot and Ankle Surgery
    Volume24
    Issue number2
    Early online date13 Dec 2016
    DOIs
    Publication statusPublished - 1 Apr 2018

    Keywords

    • Osteochondral defect
    • Osteochondral lesion
    • Surgical approach
    • Talus

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