近期的上呼吸道感染史是脑动脉病变和FCA的特殊预测因素，这表明感染在这些损伤的发生机制中可能扮演比较重要的角色。

Recent upper respiratory infection predicted cerebral arteriopathy and FCA in particular, suggesting a possible role for infection in the pathogenesis of these lesions.

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目的探讨新生儿呼吸衰竭时发生气体交换障碍的机制。

Objective To study the clinical evaluation of gas exchange impairment in neonatal respiratory failure.

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目的应用MRI观察阻塞性睡眠呼吸暂停综合征(OSAS)患者与正常对照组上气道变化，评价MRI的应用价值并探讨OSAS的发生机制。

Objects to observe the change of pharyngeal airway in patients with sleep apnea and to evaluate the MRI value and to investigate the mechanisms of obstructive sleep apnea syndrome (OSAS).

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