Phrenic Nerve and Breathing info

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http://www.nhsdirect.nhs.uk/articles/article.aspx?

articleId=441 & sectionId=8468

(This is a UK site)

Breathing problems from Phrenic nerve paralysis, when the nerve that

controls the diaphragm becomes paralysed, can very rarely occur as a

result of CMT1, but this complication is more common with CMT2. Some

patients with CMT2 have prominent nerve and vocal paralysis, which

results in hoarseness and shortness of breath.