Objective to investigate the morbidity of respiratory complication in very low birth weight infants (VLBWI), to know the essentiality of intensive care.
目的探讨极低出生体重儿呼吸系统并发症的发生情况，认识呼吸监测的必要性。
It has many advantages including wide application, simple operation, decreased injury and stimulation to respiratory tract, less complication and reliable ventilation efficacy.
具有应用范围广，操作简便，对呼吸道的损伤、刺激小，并发症少，能维持有效、可靠的通气。
Results, None of the 100 patients had the complication of respiratory system.
结果：100例患者术后无呼吸系统并发症发生。
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