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首页> 外文期刊>Asian journal of animal and veterinary advances >Range of Vertical Hemilaryngectomy by Diode Laser: An Experimental Study in dogs
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Range of Vertical Hemilaryngectomy by Diode Laser: An Experimental Study in dogs

机译：二极管激光垂直颈喉切除术的范围：犬的实验研究

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Recent research on the diode laser has improved hemostatic cutting and an optic fiber delivery system. We explored the range and post-operative recovery of diode laser microsurgery. Three groups dogs: Group A, the right ventricular band and the right vocal fold, the area from the anterior commissure to the medial surface of the thyroid cartilage were cauterized. The VHL for Group B, the excision extended down to the lower margin of the thyroid cartilage and back until it reached the arytenoid cartilage. the additional cauterization of the medial surface of the thyroid cartilage and a 5 x 5 mm window on the anterior commissure to a depth of half the thickness of the thyroid cartilage. The Group C began at the anterior commissure it extended to the right along the thyroid cartilage to remove the right ventricular band, vocal fold, thyroarytenoid muscle and cricoarytenoid muscle. After one week, wounds were completely or partially covered by neo-mucosa. Inflammation and edema were apparent. A pseudomembrane developed in Groups B and C with evidence of infection in Group C. After four weeks the glottal closure and resulting voice was best in Group A and worst in Group C. Likewise, dogs in Group C had a moderate level of hoarseness, while dogs in Group A regained nearly normal voices. Collagen proliferation was most prominent in group C with limited scarring in group A. The diode laser allows a wide surgical range. Post-operative recovery was acceptable. the diode laser shows potential in clinical microsurgery.
机译：对二极管激光器的最新研究已经改善了止血切割和光纤传输系统。我们探讨了二极管激光显微外科手术的范围和术后恢复。将三组狗：A组，右心室带和右声带，从前连合到甲状腺软骨内侧表面的区域烧灼。对于B组，VHL切除术向下延伸至甲状腺软骨的下缘，然后一直延伸至到达软骨样软骨。甲状腺软骨内侧表面的额外烧灼和前连合处5 x 5 mm窗口的深度为甲状腺软骨厚度的一半。 C组从前连合处开始，沿甲状腺软骨向右延伸，以去除右心室带，声带，甲状腺样肌和环ico肌。一周后，伤口被新粘膜完全或部分覆盖。炎症和水肿明显。在B和C组中出现了伪膜，在C组中有感染的证据。四周后，声门闭合和声音在A组中最佳，在C组中最差。同样，C组中的狗的声音嘶哑程度中等，而C组中的声音嘶哑。 A组中的狗恢复了几乎正常的声音。胶原蛋白的增生在C组中最为突出，而在A组中瘢痕有限。二极管激光器的手术范围很广。术后恢复是可以接受的。二极管激光器在临床显微外科手术中显示出潜力。

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