體外循環

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體外循環:體外循環是指應用人工管道將人體大血管與人工心肺機連接,從靜脈系統引出靜脈血,並在體外氧合,再經血泵將氧合血輸回動脈系統的全過程,又稱心肺轉流,主要應用於心臟、大血管手術。

Extracorporeal circulation: The technique of mechanically circulating the blood so the heart doesn't have to. The device used for ECC is called the heart-lung machine or the cardiopulmonary bypass circuit. This device drains the blue blood from the patient, places

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oxygen in the blood, and returns (or pumps) the red blood back into the aorta for distribution to the whole body. To prevent clotting in the heart-lung circuit, strong anticoagulation with heparin is needed.

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