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Partial Liquid Ventilation in Normal Rabbits: Comparison of Three Kinds of Perfluorocarbon

部份液體呼吸法在正常家兔之使用:三種過氟化碳之比較

摘要


過氟化碳(Perfluorocarbon)液體被使用在液體呼吸法這研究。液體呼吸法被認爲比傳統之氣體呼吸法較不會造成肺部之壓損傷,因此被期待爲是一種有效安全的呼吸法。我們使用三種過氟化碳液體(FC43,FC77,及FC84)以正常家兔來做部分液體呼吸法的實驗。在2個小時之部分液體呼吸實驗中,可以達到充分的氧合及換氣的效果。在部分液體呼吸實驗群及氣體呼吸控制群之間,或者在同一實驗群中過氟化碳液體使用前及使用後,都沒有造成血行動態或檢驗數據上有意義之差異。使用三種過氟化碳液體實行2小時之液體呼吸實驗後,肺組織像沒有呈現出明顯的病理變化。這個實驗顯示在家兔使用FC43,FC77,及FC84三種過氟化碳液體做部分液體呼吸時,可以達到充分的氣體交換功能。

並列摘要


Perfluorocarbon liquids have been used in liquid ventilation studies and considered an effective technique of gas exchange with less barotrauma when compared with gas ventilation. We compared the effects of partial liquid ventilation (PLV) using 3 kinds of perfluorocarbon liquids (Fluorinert FC 43, FC 77 and FC 84) available in Taiwan in normal rabbits. We were able to achieve adequate oxygenation and ventilation during a 2-hour-duration of PLV using FC 43, FC 77 or FC 84.There was no significant difference in hemodynamic status or laboratory findings between control group and PLV groups. There were also no significant differences before LV and after 2 hours of PLV among PLV groups. Histological study of lung tissue revealed intact and well expanded alveoli, and no significant pathological change after 2 hours of PLV. These results show that PLV using FC 43, FC 77 or FC 84 is an effective technique for maintaining adequate pulmonary gas exchange in normal rabbits.

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