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目的 :探讨甲状软骨在环状软骨缺损修复中的作用。方法 :将兔环状软骨前 1/ 3切除 ,分别利用游离甲状软骨修复 (游离组 )和带蒂甲状软骨修复 (带蒂组 ) ,观察软骨的病理变化。结果 :1游离软骨在 2个月时坏死吸收 ,为瘢痕组织所取代。 2带蒂软骨未见吸收 ,与环状软骨断端融合在一起。 3环状软骨的发育未受影响。4气道通气不受影响。结论 :游离软骨及带蒂软骨均能有效地修复环状软骨缺损。
Objective: To investigate the role of thyroid cartilage in the repair of annular cartilage defects. Methods: One third of rabbit anterior annular cartilage was excised. The pathological changes of cartilage were observed by using free thyroid cartilage repair (free group) and pedicel thyroid cartilage repair (pedicle group). Results: 1 Free cartilage was necrotic at 2 months and was replaced by scar tissue. 2 cartilage no absorption, with the ends of the annular cartilage fusion together. 3 Cyclic cartilage development unaffected. 4 airway ventilation is not affected. Conclusion: Both free cartilage and cartilage can effectively repair cricoid defects.