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经皮扩张气管切开术(percutaneous dilational tracheosto-my,PDT)自1985年应用于临床以来,因其具有微创、操作简便、快捷、手术时间短、出血少等特点〔1〕,作为一种解决气道阻塞的有效措施被广泛应用于急救复苏和机械通气的气道管
Percutaneous dilational tracheosto-my (PDT) has been used clinically since 1985 because of its advantages of minimal invasion, simple operation, quick operation, short operation time and less bleeding [1] Effective measures to solve airway obstruction is widely used in emergency resuscitation and mechanical ventilation of the airway tube