Factors Associated With Hypoventilation in the Myotonic Dystrophy, Progressive Profile Over 5 Years

Change of measurement of spirometry

composite predictive factors of alveolar hypoventilation

Time frame: every year during 5 years

Change respiratory force

composite predictive factors of alveolar hypoventilation to change Inspiratory and expiratory force

Time frame: every year during 5 years

Change CO2 response (Read test)

composite predictive factors of alveolar hypoventilation

Time frame: every year during 5 years

Change subjective sleepiness (Epworth)

composite predictive factors of alveolar hypoventilation

Time frame: every year during 5 years

change Krupp's Fatigue Severity Scale (KFSS)

composite predictive factors of alveolar hypoventilation This is a short questionnaire of 9 questions to which the patient responds on a Likert scale ranging from 1 to 7

Time frame: every year during 5 years

change cognitive impairment by Trail Making Test A & B

composite predictive factors of alveolar hypoventilation Trail Making Test is a neuropsychological test of visual attention and task switching. It consists of two parts in which the subject is instructed to connect a set of 25 dots as quickly as possible while still maintaining accuracy.

Time frame: every year during 5 years

change Oximetry

composite predictive factors of alveolar hypoventilation

Time frame: every year during 5 years