What are the possible complications of congenital myopathies?

Updated: Mar 11, 2019
  • Author: Matthew Harmelink, MD; Chief Editor: Amy Kao, MD  more...
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Cardiac involvement can occur in patients with congenital myopathies, especially nemaline myopathy, CCD, and multiminicore disease.

Pulmonary insufficiency can occur in any form of congenital myopathy that presents with severe neonatal hypotonia. It is more common or more severe in nemaline myopathy, X-linked and autosomal myotubular/centronuclear myopathy, multiminicore disease, and reducing body myopathy. This is especially important to assess before surgery since postoperative respiratory failure can occur.

Skeletal deformities, including contractures and scoliosis, are common in patients with most of the congenital myopathies.

Obstetric complications during childbirth are uncommon in mothers with congenital myopathy. However, neonatal complications can include polyhydramnios; decreased fetal movements; or complications related to fetal distress, abnormal presentation, failure to progress, or prematurity.

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