ArthroBroström Lateral Ankle Stabilization Technique

Jorge I. Acevedo*, Cristian Ortiz, Pau Golano, Caio Nery

*Autor correspondiente de este trabajo

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

41 Citas (Scopus)

Resumen

Background: Arthroscopic ankle lateral ligament repair techniques have recently been developed and biomechanically as well as clinically validated. Although there has been 1 anatomic study relating suture and anchor proximity to anatomic structures, none has evaluated the ArthroBroström procedure. Purpose: To evaluate the proximity of anatomic structures for the ArthroBroström lateral ankle ligament stabilization technique and to define ideal landmarks and "safe zones" for this repair. Study Design: Descriptive laboratory study. Methods: Ten human cadaveric ankle specimens (5 matched pairs) were screened for the study. All specimens underwent arthroscopic lateral ligament repair according to the previously described ArthroBroström technique with 2 suture anchors in the fibula. Three cadaveric specimens were used to test the protocol, and 7 were dissected to determine the proximity of anatomic structures. Several distances were measured, including those of different anatomic structures to the suture knots, to determine the "safe zones." Measurements were obtained by 2 separate observers, and statistical analysis was performed. Results: None of the specimens revealed entrapment by either of the suture knots of the critical anatomic structures, including the superficial peroneal nerve (SPN), sural nerve, peroneus tertius tendon, peroneus brevis tendon, or peroneus longus tendon. The internervous safe zone between the intermediate branch of the SPN and sural nerve was a mean of 51 mm (range, 39-64 mm). The intertendinous safe zone between the peroneus tertius and peroneus brevis was a mean of 43 mm (range, 37-49 mm). On average, a 20-mm (range, 8-36 mm) safe distance was maintained from the most medial suture to the intermediate branch of the SPN. The amount of inferior extensor retinaculum (IER) grasped by either suture knot varied from 0 to 12 mm, with 86% of repairs including the retinaculum. Conclusion: The results indicate that there is a relatively wide internervous and intertendinous safe zone when performing the ArthroBroström technique for lateral ankle stabilization. While none of the critical anatomic structures was entrapped by the suture knots, it was evident that the IER was included in a majority of the repairs. This study further defines the proximity of adjacent anatomic structures and establishes the anatomic safe zones for the ArthroBroström lateral ankle stabilization procedure. Clinical Relevance: By defining this relatively risk-free zone, surgeons who are not as experienced with arthroscopic lateral ligament repair techniques may approach arthroscopic suture passage with more confidence.

Idioma originalInglés
Páginas (desde-hasta)2564-2571
Número de páginas8
PublicaciónAmerican Journal of Sports Medicine
Volumen43
N.º10
DOI
EstadoPublicada - 1 oct 2015
Publicado de forma externa

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© 2015 The Author(s).

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