Brazilian Journal of Pulmonology

ISSN (on-line): 1806-3756 | ISSN (printed): 1806-3713

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Reflex cough PEF as a predictor of successful extubation in neurological patients

Pico de fluxo de tosse reflexa como preditor de sucesso na extubação em pacientes neurológicos

Fernanda Machado Kutchak1,2, Andressa Maciel Debesaitys2, Marcelo de Mello Rieder2,3, Carla Meneguzzi2, Amanda Soares Skueresky3, Luiz Alberto Forgiarini Junior3,4, Marino Muxfeldt Bianchin5

J Bras Pneumol.2015;41(4):358-364

Abstract PDF PT PDF EN Portuguese Text

Objective: To evaluate the use of reflex cough PEF as a predictor of successful extubation in neurological patients who were candidates for weaning from mechanical ventilation. Methods: This was a cross-sectional study of 135 patients receiving mechanical ventilation for more than 24 h in the ICU of Cristo Redentor Hospital, in the city of Porto Alegre, Brazil. Reflex cough PEF, the rapid shallow breathing index, MIP, and MEP were measured, as were ventilatory, hemodynamic, and clinical parameters. Results: The mean age of the patients was 47.8 ± 17 years. The extubation failure rate was 33.3%. A reflex cough PEF of < 80 L/min showed a relative risk of 3.6 (95% CI: 2.0-6.7), and the final Glasgow Coma Scale score showed a relative risk of 0.64 (95% CI: 0.51-0.83). For every 1-point increase in a Glasgow Coma Scale score of 8, there was a 36% reduction in the risk of extubation failure. Conclusions: Reflex cough PEF and the Glasgow Coma Scale score are independent predictors of extubation failure in neurological patients admitted to the ICU.

 


Keywords: Weaning; Intensive care units; Cough.

 


 

 


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