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首页> 外文期刊>Heart and Lung: The Journal of Critical Care >Patient ventilator asynchrony in critically ill adults: Frequency and types
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Patient ventilator asynchrony in critically ill adults: Frequency and types

机译：在危重病人呼吸机异步成人:频率和类型

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摘要

Background: Patient ventilator asynchrony (PVA) occurs frequently, but little is known about the types and frequency of PVA. Asynchrony is associated with significant patient discomfort, distress and poor clinical outcomes (duration of mechanical ventilation, intensive care unit and hospital stay). Methods: Pressure-time and flow-time waveform data were collected on 27 ICU patients using the Noninvasive Cardiac Output monitor for up to 90min per subject and blinded waveform analysis was performed. Results: PVA occurred during all phases of ventilated breaths and all modes of ventilation. The most common type of PVA was Ineffective Trigger. Ineffective trigger occurs when the patient's own breath effort will not trigger a ventilator breath. The overall frequency of asynchronous breaths in the sample was 23%, however 93% of the sample experienced at least one incident of PVA during their observation period. Seventy-seven percent of subjects experienced multiple types of PVA. Conclusions: PVA occurs frequently in a variety of types although the majority of PVA is ineffective trigger. The study uncovered previously unidentified waveforms that may indicate that there is a greater range of PVAs than previously reported. Newly described PVA, in particular, PVA combined in one breath, may signify substantial patient distress or poor physiological circumstance that clinicians should investigate.
机译：背景:病人呼吸机异步(PVA)经常发生,但很少知道PVA的类型和频率。与重要的病人不适,痛苦和糟糕的临床结果(持续时间机械通风,重症监护室住院)。ICU 27日流时间波形数据收集患者使用无创心输出量监控每个主题和蒙蔽长达90分钟波形进行了分析。发生在所有阶段的通风呼吸和所有的通风方式。类型的PVA无效触发。触发时病人的呼吸努力不会触发呼吸机呼吸。整体异步呼吸的频率样品是23%,然而93%的样本PVA在经历过至少一个事故他们的观察期。的主题经历了多种类型的PVA。结论:不同PVA发生频繁尽管大多数PVA的类型无效的触发器。之前不明身份的波形可能表明,有一个更大范围的pva比之前的报道。PVA一口气相结合,可能意味着大量病人痛苦或贫穷生理情况下,临床医生应该调查。

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  • 来源
    《Heart and Lung: The Journal of Critical Care》 |2014年第3期|231-243|共13页
  • 作者

    MellottK.G.; GrapM.J.; MunroC.L.SesslerC.N.WetzelP.A.NilsestuenJ.O.KetchumJ.M.;

  • 作者单位

    Department of Acute and Continuing Care, School of Nursing, University of Texas Health, Health;

    Department of Adult Health and Nursing Systems, School of Nursing, Virginia Commonwealth University;

    Research and Innovation, College of Nursing, University of Southern Florida, 12901 Bruce B. DownsDivision of Pulmonary Disease and Critical Care Medicine, School of Medicine, Virginia CommonwealthDepartment of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, P.ODepartment of Respiratory Therapy, School of Allied Health Sciences, University of Texas MedicalDepartment of Biostatistics, School of Medicine, Virginia Commonwealth University, P.O. Box 980032;

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  • 正文语种 英语
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  • 关键词

    Ventilators; respiration; BreathMechanicalwaveform analysisPatientsartificial;

    机译：通风;呼吸;BreathMechanicalwaveformanalysisPatientsartificial;

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