于支架植入前、植入后1周及6 ~ 9个月期间，分别对患者的气道狭窄段腔径、气促指数及肺功能进行测定，以评价金属支架植入疗法对改善患者肺通气功能的效果。
Before stenting and 1 week, 6 ~ 9 months after stenting, the lumen of stenosis segment, Borg index and pulmonary function were measured to evaluate the improvement of ventilation function.
目的研究术前肺通气功能在评价心脏外科手术预后中的价值。
Objective To assess the value of pulmonary ventilation test in evaluating the prognosis of cardiac surgery patients.
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