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  • Title: Distraction systems for ankle arthroscopy.
    Author: Palladino SJ.
    Journal: Clin Podiatr Med Surg; 1994 Jul; 11(3):499-511. PubMed ID: 7954214.
    Abstract:
    It is clear that for most of the routine pathology addressed with ankle arthroscopy, including most talar dome transchondral fractures, manual distraction (or none at all) is all that is necessary to successfully complete the procedure. There is little need to add the expense and potential complications associated with some distraction systems. However, some cases involve pathology or surgical techniques that either would be better addressed with distraction or absolutely demand distraction. It is recommended that invasive ankle distraction be reserved for (1) cases in which noninvasive distraction has not yielded adequate field visualization or instrument maneuvering room, (2) cases of preoperatively documented pathology involving the posterior talar dome (including some medial talar dome fractures) or inferior tibial surface, or (3) arthroscopic ankle fusion. Consideration should be given to providing 6 to 12 weeks of protected function of the extremity to avoid delayed fracture presentation. In general, the invasive distraction system should be reserved for those cases that would not ordinarily be managed with aggressive rehabilitation and early return to activities. For those cases where the benefits of distraction are desired (some dome fractures, meniscoid lesions, gutter pathology, and adhesive capsulitis) and aggressive rehabilitation with early return to activities may be planned, noninvasive distraction systems are now available that offer a sustainable joint separation of good magnitude. With the growing availability and effectiveness of the commercial noninvasive ankle distractors, I do not disagree with Stone and Guhl98 when they advocate the use of noninvasive distraction for routine arthroscopic procedures, with conversion to invasive distraction should there be insufficient joint separation. In summary, providing optimal field visualization and maneuvering room for instrumentation is essential for the successful performance of arthroscopic ankle surgery. This article has discussed options available to the arthroscopist that can assist in achieving these objectives. The exact method of distraction selected for a given case may be determined by the arthroscopist by weighing the issues discussed in this article.
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