EVALUATION OF THE USE OF PEAK COUGH FLOW AS A PREDICTOR OF SUCCESS FOR EXTUBATION

• DOI: 10.22533/at.ed.15931012308123

• Palavras-chave: Peak cough flow; Extubation; Weaning; Predictor; Physiotherapy

• Keywords: Peak cough flow; Extubation; Weaning; Predictor; Physiotherapy

• Abstract:

  During the process of discontinuing Invasive Mechanical Ventilation (IMV), multiple failures may occur, making it necessary to use success predictor indices, such as the assessment of peak cough flow (PFT). The objective of this study was to analyze, through a literature review, the use of peak cough flow values as a predictive index for extubation failure in patients with a preserved level of consciousness. The search for the review was carried out through electronic databases (PUBMED, sCIELO, LILACS, BIREME and Cochrane), comprising 5 articles published between 2014 and 2020. The selected articles analyzed the use of the PFT assessment and its forms of application as a predictive index for extubation failure, with methodologies similar to each other, through variables such as values obtained from voluntary and involuntary PFT, duration of IMV, tidal volume, mortality rate, among others. The use of PFT assessment as a predictor for extubation failure was confirmed by the authors as a good predictive tool, with analysis carried out using the voluntary method (>60lpm) being the most recommended.