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Myasthenia Gravis: Diagnostic Tests01:15

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Myasthenia gravis: a population-based epidemiological study.

S Rutledge1, O Kenny1, S O'Riordan1

  • 1Neurology Department, St Vincents University Hospital, Elm Park, Dublin 4.

Irish Medical Journal
|September 30, 2016
PubMed
Summary

The incidence and prevalence of Myasthenia Gravis (MG) in Ireland are rising, with a current prevalence of 15.38/100,000. Increased diagnoses may stem from better diagnostic access and awareness.

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Area of Science:

  • Neurology
  • Epidemiology

Background:

  • Myasthenia Gravis (MG) impacts the neuromuscular junction.
  • Epidemiological data indicate increasing incidence and prevalence rates globally.

Purpose of the Study:

  • To ascertain the incidence and prevalence of Myasthenia Gravis within the Republic of Ireland.
  • To analyze trends in MG diagnosis over recent decades.

Main Methods:

  • Data compilation from multiple sources: neurologists, ophthalmologists, neuroimmunology labs, GPs, and the Myasthenia Gravis Association.
  • Inclusion criteria focused on definite, probable, or possible autoimmune and congenital MG cases.
  • Analysis of identified cases to determine prevalence and incidence rates.

Main Results:

  • An overall prevalence rate of 15.38 per 100,000 individuals was calculated.
  • A female predominance was observed (female:male ratio of 1.3:1).
  • Incidence rates increased from 11.3 per year (2000-2009) to 18 per year (current decade).

Conclusions:

  • The study confirms a rising prevalence and incidence of Myasthenia Gravis in Ireland.
  • Enhanced diagnostic capabilities and increased clinical awareness likely contribute to higher reported diagnoses.
  • Findings highlight the importance of ongoing epidemiological surveillance for Myasthenia Gravis.