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AIM To evaluate the predictive capability of respiratory mechanics for the development of ventilator-associated pneumonia(VAP)and mortality in the intensive care unit(ICU)of a hospital in southern Brazil.METHODS A cohort study was conducted between,involving a sample of 120 individuals.Static measurements of compliance and resistance of the respiratory system in pressure-controlled ventilation(PCV)and volumecontrolled ventilation(VCV)modes in the 1st and 5th days of hospitalization were performed to monitor respiratory mechanics.The severity of the patients’illness was quantified by the Acute Physiology and Chronic Health EvaluationⅡ(APACHEⅡ).The diagnosis of VAP was made based on clinical,radiological and laboratory parameters.RESULTS The significant associations found for the development of VAP were APACHEⅡscores above the average(P=0.016),duration of MV(P=0.001)and ICU length of stay above the average(P=0.003),male gender(P=0.004),and worsening of respiratory resistance in PCV mode(P=0.010).Age above the average(P<0.001),low level of oxygenation on day 1(P=0.003)and day 5(P=0.004)and low lung compliance during VCV on day 1(P=0.032)were associated with death as the outcome.CONCLUSION The worsening of airway resistance in PCV mode indicated the possibility of early diagnosis of VAP.Low lung compliance during VCV and low oxygenation index were death-related prognostic indicators.
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篇名 Respiratory mechanics,ventilator-associated pneumonia and outcomes in intensive care unit
来源期刊 世界重症医学杂志 学科 医学
关键词 RESPIRATORY MECHANICS RESPIRATORY TRACT infection VENTILATOR-ASSOCIATED PNEUMONIA
年,卷(期) 2018,(1) 所属期刊栏目
研究方向 页码范围 24-30
页数 7页 分类号 R
字数 语种
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研究主题发展历程
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RESPIRATORY
MECHANICS
RESPIRATORY
TRACT
infection
VENTILATOR-ASSOCIATED
PNEUMONIA
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研究去脉
引文网络交叉学科
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期刊影响力
世界重症医学杂志
不定期
2220-3141
北京市朝阳区东四环中路62号楼远洋国际中
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156
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