Stegen Ludo, Kitshoff Adriaan M, Van Goethem Bart, Vandekerckhove Peter, de Rooster Hilde
Department of Small Animal Medicine and Clinical Biology, Faculty of Veterinary Medicine, University of Ghent, 133 Salisburylaan, Merelbeke, 9820, Belgium ; Tiergesundheitszentrum Gruβendorf Tierärztliche Klinik für Kleintiere, 2 Wiechmanns Eck 2, Bramsche, 49565, Germany.
Department of Small Animal Medicine and Clinical Biology, Faculty of Veterinary Medicine, University of Ghent, 133 Salisburylaan, Merelbeke, 9820, Belgium.
Vet Rec Open. 2015 Jul 27;2(1):e000125. doi: 10.1136/vetreco-2015-000125. eCollection 2015.
Laryngeal paralysis is a condition in which failure of arytaenoid abduction results in a reduced rima glottidis cross-sectional area. The most commonly performed surgical techniques rely on unilateral abduction of the arytaenoid, requiring a lateral or ventral surgical approach to the larynx.
The aim of the study was to investigate a novel minimally invasive intralaryngeal thyroarytaenoid lateralisation technique, using the Fast-Fix 360 meniscal repair system.
Larynges were harvested from large breed canine cadavers. With the aid of Kirschner wires placed between the centre of the vocal process and the centre of an imaginary line between the cranial thyroid fissure and the cricothyroid articulation, the mean insertion angle was calculated.
The Fast-Fix 360 delivery needle inserted intralaryngeally (n=10), according to a simplified insertion angle (70°), resulted in thyroid penetration (>2.5 mm from margin) in all patients. The Fast-Fix was applied unilaterally at 70° with the first toggle fired on the lateral aspect of the thyroid cartilage and inside the laryngeal cavity on retraction. The suture was tightened. Preprocedural (61.06±9.21 mm2) and postprocedural (138.37±26.12 mm2) rima glottidis cross-sectional area was significantly different (P<0.0001). The mean percentage increase in rima glottidis cross-sectional area was 125.96 per cent (±16.54 per cent).
Intralaryngeal thyroarytaenoid laterlisation using the Fast-Fix 360 meniscal repair system ex vivo increased the rima glottidis cross-sectional area significantly.
喉麻痹是一种杓状软骨外展功能障碍导致声门裂横截面积减小的病症。最常用的手术技术依赖于杓状软骨的单侧外展，需要通过喉部的外侧或腹侧手术入路。
本研究旨在探讨一种使用Fast-Fix 360半月板修复系统的新型微创喉内甲状杓肌外侧化技术。
从大型犬尸体上获取喉部。借助置于声带突中心与甲状舌骨裂和环甲关节之间假想线中心之间的克氏针，计算平均插入角度。
按照简化插入角度（70°）经喉内插入Fast-Fix 360输送针（n = 10），所有患者均出现甲状腺穿透（距边缘>2.5 mm）。Fast-Fix以70°单侧应用，第一次切换在甲状软骨外侧进行，回缩时在喉腔内进行。收紧缝线。术前（61.06±9.21 mm²）和声门裂横截面积术后（138.37±26.12 mm²）有显著差异（P<0.0001）。声门裂横截面积平均增加百分比为125.96%（±16.54%）。
在体外使用Fast-Fix 360半月板修复系统进行喉内甲状杓肌外侧化可显著增加声门裂横截面积。
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