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肺气压伤是新生儿呼吸衰竭应用呼吸器治疗的常见并发症。为防止肺气压伤的发生，１９９１年１月～１９９２年１２月，我们采用下列改进措施：①选用定时、限压恒流型呼吸器；②气管导管选择比一般所用者略细；③保证导管适当深度及管端的正确位置；④高频通气；⑤镇静剂及肌肉松弛剂的应用；③避免过度通气，使机械通气患儿肺气压伤的发生率由我院原来的２１．１％下降至３．８％，经统计学处理二组肺气压伤发生率的差异有非常显著意义（Ｐ＜０．０１）。由此可以说明只要我们在医疗护理上加以重视，采取适当措施，肺气压伤发生率是可以减少的。
Barotrauma is a common complication of respirator therapy in neonatal respiratory failure. In order to prevent the occurrence of pneumoconiosis, we adopted the following improvement measures from January 1991 to December 1992: (1) the use of timed and pressure-limiting constant current respirators; (2) the selection of tracheal catheters to be slightly smaller than that of general users; (3) Appropriate depth and the correct position of the tube end; ④ high-frequency ventilation; ⑤ sedatives and muscle relaxants; ③ avoid over-ventilation, the incidence of mechanical ventilation in children with barotrauma decreased from 21.1% in our hospital to 3 .8%, statistically significant difference between the two groups of incidence of pulmonary pressure injury (P <0.01). This shows that as long as we attach importance to medical care, take appropriate measures, the incidence of pneumoconiosis can be reduced.