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在出生后28d或36周停经后孕龄(PMA)时通过过早产儿的胸部X线片(CXR)表现来预测其以后的呼吸系统症状,本研究的目的是确定在28d或36周PMA的CXR表现是否因在围生期采用的通气模式不同而不同。进入一多中心随机试验(UKOS)的婴儿在28d和36周PMA时常规进行CXR检查,用以比较高频振荡通气
The subsequent respiratory symptoms were predicted by chest X-ray (CXR) performance at preterm postmenopausal women (PMA) at 28 or 36 weeks after birth and the objective of this study was to determine the effect of PMA on day 28 or 36 Whether or not CXR performance varies with the mode of ventilation used during the perinatal period. Infants entering a multicentre randomized trial (UKOS) routinely underwent CXR examinations at 28 and 36 weeks of PMA to compare high-frequency oscillatory ventilation