Ulnar-sided perilunate instability: An anatomic and biomechanic study

Steven F. Viegas; Rita M. Patterson; Pamela D. Peterson; David J. Pogue; David K. Jenkins; Timothy D. Sweo; James A. Hokanson

doi:10.1016/0363-5023(90)90107-3

Ulnar-sided perilunate instability: An anatomic and biomechanic study

Steven F. Viegas, Rita M. Patterson, Pamela D. Peterson, David J. Pogue, David K. Jenkins, Timothy D. Sweo, James A. Hokanson

Research output: Contribution to journal › Article

136 Scopus citations

Abstract

A staging system for ulnar-sided perilunate instability is presented based on a series of cadaver dissections and load studies. Stage I: partial or complete disruption of the lunotriquetral interosseous ligament, without clinical and/or radiographic evidence of dynamic or static volar intercalated segment instability deformity; stage II: complete disruption of the lunotriquetral interosseous ligament and disruption of the palmar lunotriquetral ligament, with clinical and/or radiographic evidence of dynamic volar intercalated segment instability deformity; and stage III: complete disruption of the lunotriquetral interosseous and the palmar lunotriquetral ligaments, attenuation or disruption of the dorsal radiocarpal ligament, with clinical and/or radiographic evidence of static volar intercalated segment instability deformity.

Original language	English
Pages (from-to)	268-278
Number of pages	11
Journal	Journal of Hand Surgery
Volume	15
Issue number	2
DOIs	https://doi.org/10.1016/0363-5023(90)90107-3
State	Published - Mar 1990

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Viegas, S. F., Patterson, R. M., Peterson, P. D., Pogue, D. J., Jenkins, D. K., Sweo, T. D., & Hokanson, J. A. (1990). Ulnar-sided perilunate instability: An anatomic and biomechanic study. Journal of Hand Surgery, 15(2), 268-278. https://doi.org/10.1016/0363-5023(90)90107-3

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abstract = "A staging system for ulnar-sided perilunate instability is presented based on a series of cadaver dissections and load studies. Stage I: partial or complete disruption of the lunotriquetral interosseous ligament, without clinical and/or radiographic evidence of dynamic or static volar intercalated segment instability deformity; stage II: complete disruption of the lunotriquetral interosseous ligament and disruption of the palmar lunotriquetral ligament, with clinical and/or radiographic evidence of dynamic volar intercalated segment instability deformity; and stage III: complete disruption of the lunotriquetral interosseous and the palmar lunotriquetral ligaments, attenuation or disruption of the dorsal radiocarpal ligament, with clinical and/or radiographic evidence of static volar intercalated segment instability deformity.",

author = "Viegas, {Steven F.} and Patterson, {Rita M.} and Peterson, {Pamela D.} and Pogue, {David J.} and Jenkins, {David K.} and Sweo, {Timothy D.} and Hokanson, {James A.}",

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AU - Viegas, Steven F.

AU - Patterson, Rita M.

AU - Peterson, Pamela D.

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AU - Jenkins, David K.

AU - Sweo, Timothy D.

AU - Hokanson, James A.

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AB - A staging system for ulnar-sided perilunate instability is presented based on a series of cadaver dissections and load studies. Stage I: partial or complete disruption of the lunotriquetral interosseous ligament, without clinical and/or radiographic evidence of dynamic or static volar intercalated segment instability deformity; stage II: complete disruption of the lunotriquetral interosseous ligament and disruption of the palmar lunotriquetral ligament, with clinical and/or radiographic evidence of dynamic volar intercalated segment instability deformity; and stage III: complete disruption of the lunotriquetral interosseous and the palmar lunotriquetral ligaments, attenuation or disruption of the dorsal radiocarpal ligament, with clinical and/or radiographic evidence of static volar intercalated segment instability deformity.

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