2021
DOI: 10.5935/0103-507x.20210060
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Cough peak flow to predict extubation outcome: a systematic review and meta-analysis

Abstract: Objetivo Avaliar a utilidade do pico de fluxo da tosse para predizer o desfecho da extubação em pacientes que obtiveram sucesso no teste de respiração espontânea. Métodos A busca cobriu as bases de dados científicos MEDLINE ® , Lilacs, Ibecs, Cinahl, SciELO, Cochrane, Scopus, Web of Science e literatura cinzenta. Utilizaram-se os critérios Quality Assessment of Diagnostic Accuracy Studies para avaliar a qualidade da metodologia e o risco de vi… Show more

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Cited by 3 publications
(2 citation statements)
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“…The results of the study showed that both inspiratory and expulsive phases should be assisted to enhance the effectiveness of cough. 12 Lacombe et al investigated the PCF, a parameter generally used to assess cough efficiency, increased consistently as exsufflation pressure decreased. However, despite increasing PCF values, 15 of the 27 patients exhibited flow-volume curve findings indicating upper airway collapse and coinciding with decrease in effective cough volume (defined as the volume coughed at a flow >3 L/s), suggesting impaired cough efficiency.…”
Section: Mac Techniquementioning
confidence: 99%
“…The results of the study showed that both inspiratory and expulsive phases should be assisted to enhance the effectiveness of cough. 12 Lacombe et al investigated the PCF, a parameter generally used to assess cough efficiency, increased consistently as exsufflation pressure decreased. However, despite increasing PCF values, 15 of the 27 patients exhibited flow-volume curve findings indicating upper airway collapse and coinciding with decrease in effective cough volume (defined as the volume coughed at a flow >3 L/s), suggesting impaired cough efficiency.…”
Section: Mac Techniquementioning
confidence: 99%
“…10 After cough stimulation, an in-line electronic spirometer or the flow versus time curve from the ventilator display is used to record cough peak flow. Because cough peak flow values < 60 L/min are associated with poor extubation outcomes in most studies, 11,12 this threshold could be used as a reference to indicate MI-E for patients with artificial airways. 13 Ultimately, we salute the study of Martı ´nez-Alejos et al 7 as it adds to the literature by reassuring the potential of MI-E to minimize complications related to secretion retention.…”
Section: See the Original Study On Page 1371mentioning
confidence: 99%