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目的:阻塞性通气障碍在呼吸波形上特异性改变临床观察研究。方法:在不影响临床诊治前题下,对入选病例呼吸波形进行动态监测,研究阻塞性通气障碍病人呼吸波形改变与相应病情和医疗等情况的相关性及其在呼吸波形上特征性改变的临床意义。结果:阻塞性通气障碍呼吸波形与正常波形相比,在压力、容量、流速曲线和压力-容量环上有连续、剧烈顿挫的特征性改变。其改变的幅度、大小、频率与阻塞性通气障碍引起病理变化程度相关。模拟液体阻塞气道实验也可得到类似特异性改变波形。结论:阻塞性通气障碍患者在正压通气时,呼吸波形根据通气障碍类型分别可出现“锯齿”状、“波纹”状、“鸭头”状、“鸟头”状、“火炬”状等具有典型特征的特异性呼吸波形。这对其临床快速诊治有重要指导意义。
Objective: Obstructive ventilatory disorders in the respiratory wave-specific changes in the clinical observation. Methods: The respiratory waveform of the selected cases were dynamically monitored before affecting the clinical diagnosis and treatment, and the correlation between respiratory waveform changes and corresponding conditions and medical conditions in patients with obstructive ventilatory disorders and their clinical changes in the respiratory waveform significance. RESULTS: The respiratory waveform of obstructive ventilatory disturbance was characterized by a continuous and violent setback in pressure, volume, flow velocity, and pressure-volume ring compared with normal waveforms. The magnitude, size and frequency of the changes were related to the degree of pathological changes caused by obstructive ventilatory disorders. Simulation of fluid obstruction airway experiments can also be similar to the specific waveform changes. Conclusions: In patients with obstructive ventilatory disorder during positive pressure ventilation, the respiratory waveform may appear “serrated”, “ripple”, “duck”, “bird head” Shaped, “” torch "and other typical characteristics of the specific respiratory waveform. This is an important guide to the rapid clinical diagnosis and treatment.