Early Gross Motor Milestones in Duchenne Muscular Dystrophy

Marika Pane, Eugenio Maria Mercuri, Simona Lucibello, Giorgia Coratti, Roberta Onesimo, Elisa Pede, Gloria Ferrantini, Claudia Brogna, Graziamaria Cicala

Research output: Contribution to journalArticle

Abstract

Background: Over the last few years there has been increasing attention to detect early signs of impairment in young Duchenne muscular dystrophy boys but less has been reported on whether the delay may also affect the very early aspects of motor development, such as gross motor milestones. Objective: The aim of this study was to retrospectively assess the age when early motor milestones were achieved in Duchenne muscular dystrophy. Methods: The study is a retrospective analysis of data collected as part of a larger natural history project. Information on past medical history, collected at the time the boys were seen for the first time, were recorded and re available on clinical notes and on electronic CRF. Results: Data were collected in 134 DMD boys. Sitting was achieved at 7.04 months. The % of DMD boys not achieving sitting by 9.4 months was 10%, ranging from 2% in the boys with mutations before exon 44 to 33% in those beyond exon 63. Walking was achieved at a mean age of 16.35 months. The % of DMD boys not achieving independent walking by 18 months was 17%, ranging from 9% in the boys with mutations between 44 and 51 to 42% in those beyond exon 63. Conclusions: Our results showed that the risk of a delay in sitting and walking was increasingly high in patients with mutations predictive of the involvement of different brain dystrophin isoforms.
Original languageEnglish
Pages (from-to)453-456
Number of pages4
JournalJournal of Neuromuscular Diseases
Volume8
DOIs
Publication statusPublished - 2021

Keywords

  • Duchenne muscular dystrophy
  • gross motor milestones
  • early motor milestones
  • dystrophin isoforms

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