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題 名 | Experimental Patch Bronchoplasty with Ringed Vascular Graft=以帶環人工血管修補支氣管之實驗 |
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作 者 | 劉會平; 林萍章; 張昭雄; | 書刊名 | 長庚醫學 |
卷 期 | 19:3 1996.09[民85.09] |
頁 次 | 頁225-228 |
分類號 | 416.26 |
關鍵詞 | 人工血管; 支氣管修補; Ringed vascular graft; Patch bronchoplasty; |
語 文 | 英文(English) |
中文摘要 | 重建氣管或支氣管最理想的方法應是將有疾病的那一段切除後重接起來。但若碰到因長度不夠,或因氣管、支氣管本身已遭破壞或因一些病理原因而無法以「切除重接」方法處理時,嵌片氣管或支氣管成形術(patch tracheoplasty或patch bronchoplasty)則不失為一可行之方法。近幾年來,帶環之人工合成血管與血管上皮癒合上有很好的結果,且其外表因有帶硬環,使管腔不易塌陷,極符合氣管、支氣管的特性。 本篇以狗為實驗動物,將狗支氣管做部份的割除後,以人工合成血管來做嵌片支氣管修補,並於一定時間內觀察其與支氣管組織的癒合情形。在追蹤6至9個月後,其中有5隻狗於修補處發現有肉芽組織增生且變厚情形並導致支氣管腔狹窄與阻塞,經顯微鏡觀察其中亦無上皮細胞生長情形。由此實驗初步判斷人工血管可能不適合於支氣管缺陷之修補。 |
英文摘要 | The best surgical technique in bronchial reconstruction is resection and end to end anastomosis, but in some cases either pathology length, reduction in tissue elasticity, or such circumstances, patch bronchoplasty may be necessary to reestablish air-passage continuity. The purpose of this experiment would thus try to investigate the possibility of using ringed polytetrafuloroethylene (PTFE) graft to repair the diseased bronchus. A 2x1 cm patch segment of bronchus resected in 10 dogs were followed up with monthly bronchoscopy and endoscopic photography. Euthanasia was performed at 3, 6 and 9 months or when signs of respiratory distress developed. At postmortem examination, the anastomoses were examied grossly and with light microscopy. In 5 of the 10 dogs that underwent bronchial repair with PTFE, granulation tissue developed at the anastomoses resulting in airway obstruction after 6 to 9 months. No epithelial growth occurred over the graft between the suture lines. We conclude that the granulation tissue formation at the anastomosis and the lack of respiratory epithelial ingrowth across the graft makes PTFE unsuitable for patch repair of the bronchial defect. |
本系統中英文摘要資訊取自各篇刊載內容。