Kystes mucoïdes de la face dorsale du poignet : lésions anatomiques, place de la prise en charge chirurgicale et technique opératoire

Loisel, François; Cohen, Gustavo Vargas; Marès, Olivier; Garret, Jérôme; Clavert, P; d’arthroscopie, la Société francophone

doi:10.1016/j.rcot.2017.09.407

Cited by 2 publications

(1 citation statement)

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“…Despite these limitations, the proposed protocol has several major strong points: minimally invasive intraosseous radio-opaque makers that both preserve the integrity of ligaments and prevent from extrinsic sensor limitations. The integrity of the SLIL examined in situ under prior arthroscopy is also a pledge of rigor because the proportion of ligamentous lesions on the cadaveric is significant: 43% in our study, ranging from 16% to 50% in the literature [27][28][29] .…”

Section: Discussionmentioning

confidence: 99%

Scapholunate kinematics after flexible anchor repair

Loisel

Durand

Persohn

et al. 2020

Medical Engineering & Physics

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The scapholunate joint is one of the keystones of the wrist kinematics, and its study is difficult due to the carpal bones size and the richness of surrounding ligaments. We propose a new method of quantitative assessment of scapholunate kinematics through bone motion tracking in order to investigate scapholunate ligament lesion as well as repair techniques. On 6 intact wrists, steel beads were inserted into the bones of interest to track their motions. Experimental set up allowed wrist flexion extension and radio-ulnar deviation motions. Low-dose bi-planar radiographs were performed each 10 °of movement for different configurations: 1) intact wrist, 2) scapholunate ligament division, 3) repair by soft anchors at the posterior then 4) anterior part. Beads' 3D coordinates were computed at each position from biplanar X-Rays, allowing accurate registration of each wrist bone. The Monte Carlo sensitivity study showed accuracy between 0.2 °and 1.6 °for the scaphoid and the lunate in motions studied. The maximum flexion-extension range of motion of the scaphoid significantly decreased after anterior repair from 73 °in injured wrist to 62.7 °.The proposed protocol appears robust, and the tracking allowed to quantify the anchor's influence on the wrist kinematics.

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Section: Discussionmentioning

confidence: 99%