Peak Cough Flow and Cough Clearance in Patients With Muscular Dystrophy
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This study is to determine whether physiologic measures (peak cough flow, measures of respiratory muscle strength including MIP, MEP ,SNIP, and spirometry) can predict spontaneous cough clearance (as measured by a nuclear medicine study) in children with neuromuscular disease. It will also determine whether airway clearance is augmented by high frequency chest wall oscillation.
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Ages Eligible for Study:
6 Years to 21 Years (Child, Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Boys 6-21 years of age with Duchenne Muscular Dystrophy
Age 6-21; able to cooperate with study procedures
Duchenne Muscular Dystrophy OR Becker Muscular Dystrophy