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1·Objective To study the changes of endothelin-1 (ET-1) concentration in sagittal (sinus) and cerebral oxygen metabolism after cardiac arrest (ca) and resuscitation in dogs.

目的观察犬心脏停搏(CA)复苏后再灌注期间脑矢状窦血浆内皮素- 1 (et - 1)及脑氧代谢变化。