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Josie Clare, Charlie Teale, Peak flow technique and the ‘windmill’ trainer in older subjects admitted with acute airflow limitation, Age and Ageing, Volume 30, Issue 3, May 2001, Pages 259–261, https://doi.org/10.1093/ageing/30.3.259
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Abstract
Methods: peak expiratory flow technique was assessed as being satisfactory or unsatisfactory in consecutive patients >60 years with an acute exacerbation of airflow obstruction, admitted to an integrated medical and elderly unit.
Results: at baseline assessment, 16 (25%) of 63 patients had satisfactory peak expiratory flow technique. After conventional teaching, this improved to 38 (60%) of 63 (P<0.0001). Further instruction using a ‘windmill’ device failed to improve the number with a satisfactory technique.
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