So the nasal trachea cannula guided by bronchofibroscope is of great value in treating COPD patients with respiratory failure.

• 结论纤维支气管镜引导下经鼻气管插管治疗慢性阻塞性肺疾病并呼吸衰竭抢救率成功率高，并发症轻，具有重要的临床应用价值。