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Master Thesis

Étude de la course du tendon poplité lors de la flexion du genou et implications en suture méniscale : études cadavériques

Abstract : Arthroscopic Studies: twenty-two fresh cadaveric adult knees were used. A vertical stitch was performed arthroscopically with “all-in” implants in the popliteal tendon through the lateral meniscus. After a flexion-extension cycle, the condition of the suture was assessed arthroscopically. Sutures were considered to be defective if they were relaxed enough to pass the arthroscope through the hiatus, if the knot had passed through the meniscus, or if the thread was broken. Results: anatomical study: A translation of -0.65mm in the antero-posterior direction and of 5.90mm in the cranio-caudal direction were found on average during the passage from 0 ° to 120 °. The ascent was constant during the flexion. The popliteal tendon most often underwent an anterior then posterior translational phase. Arthroscopic study: 59.9% (n = 9) of the stitches remained properly tightened, 40.1% (n = 9) were defective. 18.2% (n = 4) were relaxed, 18.2% (n = 4) had their knot passed through the meniscus, and 4.5% (n = 1) had suture breakage. Conclusion: the intra-articular portion of the popliteal tendon is mobile when the knee is flexed. SMTPs are defective after a single cycle of flexion extension of the knee in 40% of cases. A single point made in this way does not represent a sufficient means of repairing lateral meniscal lesions. Fixing the suture at 60 ° may decrease this failure rate.
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Submitted on : Tuesday, November 2, 2021 - 3:09:40 PM
Last modification on : Saturday, December 11, 2021 - 3:49:13 AM
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  • HAL Id : dumas-03411766, version 1



Arthur Séguineau. Étude de la course du tendon poplité lors de la flexion du genou et implications en suture méniscale : études cadavériques. Sciences du Vivant [q-bio]. 2021. ⟨dumas-03411766⟩



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