Multiple Sclerosis Flashcards
Pathology of MS?
Plaques of demyelination occur at multiple CNS sites - from T cell mediated immune response
Is MS more common in males or females?
Females, 3:1
Typical age of onset in MS?
30-40 years old
Classifications of MS?
Relapsing - remitting
Progressive
Clinical features of MS?
Sensory - dysaesthesia , pins and needles, dorsal column loss (propioception and vibration ), trigeminal neuralgia
Optic neuritis -painful vision loss
Cerebellar dysfunction - ataxia, intention tremor, nystagmus, dysdiadokinesis
Pyramidal dysfunction - increased tone, spasticity, weakness, weakened extensors of upper limbs and flexors of lower limbs
Brainstem dysfunction - Diplopia, facial weakness
Sexual / GU- erectile dysfunction, urinary retention, in continence
Diagnosis of MS?
Clinical - 2 episodes suggestive of demyelination
MRI
McDonald criteria
Management of an acute exacerbation of MS?
Mild - Symptomatic
Moderate - oral methylprednisolone
Severe - admit / IV methylprednisolone
Management of MS spasticity ?
Baclofen
Tizanidine
Physio
Management of MS tremor?
Botulinum toxin
Management of MS?
Interferons Tecfidera Monoclonal antibodies Baclofen Botulinum toxin Gabapentin Amitriptyline
Effect of interferons on MS?
Reduce relapses by 1/3
Reduce severity of relapses
Effect of tecfidera on MS?
Reduce relapse rate by 44%
Side effects of tecfidera?
Flushing
PML
Liver and bowel problems