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目的确定氙增强动态双能CT显示和定量评价支气管梗阻犬模型的侧支通气的可靠性。材料与方法该研究经动物保护及使用委员会批准。9只犬(体质量20～25kg)均被闭塞一段支气管。在通
OBJECTIVE: To determine the reliability of xenon-enhanced dynamic dual-energy computed tomography (CT) in displaying and quantifying collateral ventilation in bronchial obstruction canine model. Materials and Methods The study was approved by the Animal Protection and Use Committee. Nine dogs (body weight 20 ~ 25kg) were blocked by a bronchus. In the pass