motor neurone disease Flashcards
what
umbrella term encompassing diagnoses
progressive dysfunction of motor neurones
common types
amytrophic lateral scelrosis
progressive bulbar palsy
progressive muscular atrophy
primary lateral sclerosis
pathophysiology
progressive degeneration of both upper ad lower motor neurones
sensory neurones are spared
risk factors
genetic component
FHx
smoking
exposure to heavy metals and certain pesticides
typocal patient
late middle aged man, possibly with affected relative
insidious progressive weakness of muscles
clumsiness
slurred speach
signs of lower motor neurone disease
muscle wasting
reduced tone
fasciculations
reduced reflexes
signs of upper motor neurone disease
inc tone or spasticity
brisk reflexes
upgoing plantars
Mx
riluzole
NIV at home
MDT
end of life care planning
riluzole
can slow progression of disease
and extend survival by few months
edavarone
used in US but not liscenced in UK
potential to slow disease progression