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Orthopedic Conditions and Interplay with Functional Abilities and MECP2 Variant Subtype in Rett Syndrome Patients.

María Galán-Olleros1, Elena González-Alguacil2, Víctor Soto-Insuga2

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Summary

Foot deformities are most common in Rett syndrome (RTT), impacting function. Spinal and knee issues also affect motor skills, with links to MECP2 mutation types. Management is key for function.

Keywords:
MECP2 mutationFunctional assessmentOrthopedicsRett syndromeScoliosis

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Area of Science:

  • Neurology
  • Genetics
  • Orthopedics

Background:

  • Rett syndrome (RTT) is a rare neurodevelopmental disorder caused by mutations in the MECP2 gene.
  • Orthopedic complications are common in RTT, significantly impacting patient quality of life and functional abilities.

Purpose of the Study:

  • To determine the prevalence of orthopedic conditions in RTT patients.
  • To investigate the relationship between orthopedic conditions, functional capabilities, and MECP2 mutation subtypes in RTT.

Main Methods:

  • A retrospective observational study of 55 RTT patients with confirmed MECP2 mutations.
  • Data collection included demographic information, orthopedic conditions, management strategies, and functional assessments from clinical records.

Main Results:

  • Foot deformities (75.5%) were most prevalent, followed by spinal (63.6%), knee (40%), and hip deformities (14.6%).
  • Spinal and knee deformities significantly correlated with reduced motor function (p<0.01).
  • MECP2 mutation clusters showed significant associations with spinal (p=0.022) and knee deformities (p=0.002).

Conclusions:

  • Foot, spinal, knee, and hip deformities are significant orthopedic manifestations in RTT.
  • These orthopedic conditions are intricately linked to functional status and specific MECP2 mutation groups in RTT patients.