A 17-Year-Old With Becker Muscular Dystrophy and Unusual Polysomnography Findings

Grace R. Paul, Rami N. Khayat, Kavitha Kotha, Deipanjan Nandi, Linda Cripe, Richard Shell

Research output: Contribution to journalArticlepeer-review

Abstract

Case Presentation: A 17-year-old male patient who was diagnosed with Becker muscular dystrophy (nonsense mutation [c.3822C>A] within exon 28 of the DMD gene) at 6 years of age was evaluated in the multidisciplinary neuromuscular clinic for loss of ambulation for 1 year. From a pulmonary perspective, there were no acute or chronic respiratory symptoms, and no history of pneumonia or aspiration. Clinical examination revealed a nonambulant teenager, with normal oxygen saturation and end-tidal CO2 when awake, no respiratory distress, and symmetrically diminished aeration due to obesity (BMI 40 kg/m2). Results of pulmonary function testing revealed FVC of 83% predicted with actual volume of 3.5 L and peak cough flow of 445 L/min (all within normal limits).

Original languageEnglish (US)
Pages (from-to)e19-e23
JournalCHEST
Volume159
Issue number1
DOIs
StatePublished - Jan 2021

All Science Journal Classification (ASJC) codes

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine

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