Amyotrophic lateral sclerosis & frontotemporal degeneration · 2017
Effectiveness of assisted and unassisted cough capacity in amyotrophic lateral sclerosis patients.
Контролируемое клиническое исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Sancho Jesús, Servera Emilio, Bañuls Pilar, Marín Julio
Аннотация
UNLABELLED: Decreased cough capacity during a respiratory infection is one of the main causes of acute respiratory failure and hospitalisation in amyotrophic lateral sclerosis (ALS).
OBJECTIVE: To determine whether a respiratory measurement could identify the effectiveness of cough capacity in ALS during a respiratory infection.
METHODS: This was a prospective study of all ALS patients who were treated at a respiratory care unit due to a respiratory infection from 2012 to 2016. The effectiveness of unassisted and assisted coughing was evaluated and respiratory function tests were performed during the acute episode.
RESULTS: Forty-eight ALS patients were enrolled, with only four having an effective unassisted cough. The variable which predicted unassisted cough effectiveness was peak cough flow (PCF) (OR 4499.27; 95%CI 3.60-3219086.19; p = 0.022) with a cut-off point of 2.77 L/s (166 L/min). For manually assisted coughing, the predictor of cough effectiveness was manually assisted PCF (cut-off point of 2.82-169 L/min) (OR 2198.602; 95% CI 3.750-1351691.42; p = 0.019). Mechanically assisted PCF (cut-off point of 2.95-177 L/min) was found to be the predictor of mechanically assisted coughing effectiveness (OR 23.40; 95% CI 2.11-258.96; p = 0.010).
CONCLUSIONS: During a respiratory infection in ALS patients, the effectiveness of assisted and unassisted cough capacity depends on the PCF generated.
OBJECTIVE: To determine whether a respiratory measurement could identify the effectiveness of cough capacity in ALS during a respiratory infection.
METHODS: This was a prospective study of all ALS patients who were treated at a respiratory care unit due to a respiratory infection from 2012 to 2016. The effectiveness of unassisted and assisted coughing was evaluated and respiratory function tests were performed during the acute episode.
RESULTS: Forty-eight ALS patients were enrolled, with only four having an effective unassisted cough. The variable which predicted unassisted cough effectiveness was peak cough flow (PCF) (OR 4499.27; 95%CI 3.60-3219086.19; p = 0.022) with a cut-off point of 2.77 L/s (166 L/min). For manually assisted coughing, the predictor of cough effectiveness was manually assisted PCF (cut-off point of 2.82-169 L/min) (OR 2198.602; 95% CI 3.750-1351691.42; p = 0.019). Mechanically assisted PCF (cut-off point of 2.95-177 L/min) was found to be the predictor of mechanically assisted coughing effectiveness (OR 23.40; 95% CI 2.11-258.96; p = 0.010).
CONCLUSIONS: During a respiratory infection in ALS patients, the effectiveness of assisted and unassisted cough capacity depends on the PCF generated.