AFP Flashcards
Etiology of Acute Flaccid Paralysis
Etiology of Acute Flaccid Paralysis
- Spinal Cord
- Acute transverse myelitis
- Trauma
Etiology of Acute Flaccid Paralysis
- AHCs
- Poliovirus & polio vaccination
- Other neurotropic viruses e.g. CMV, EBV, HSV
Etiology of Acute Flaccid Paralysis
- Peripheral Nerves
- Guillain Barré syndrome
- Critical illness neuropathy
- Toxic neuropathy (arsenic, lead)
- Diphtheritic neuropathy
Etiology of Acute Flaccid Paralysis
- NMJ
- Myasthenia gravis
- Botulism
- Organophosphate poisoning
- Snakebite
Etiology of Acute Flaccid Paralysis
- Muscles
- Inflammatory myopathies
- Critical illness myopathy
Etiology of Acute Flaccid Paralysis
- Muscle Membrane
- Familial periodic paralysis
- 2ry hypokalemic paralysis
Introduction to Guillian Barré Syndrome
Etiology of Guillian Barré Syndrome
Etiology of Guillian Barré Syndrome
- Causative agents
It occurs 2 - 4 weeks after a benign febrile illness:
- 2/3 of cases follow a respiratory or gastrointestinal infection
- Campylobacter infection 20 - 30%
- Others e.g. CMV, EBV, HSV
GBS has been reported to follow:
- Vaccinations
- Epidural anesthesia
- Thrombolytic Agents
Subtypes of Guillian Barré Syndrome
CP of Guillian Barré Syndrome
CP of Guillian Barré Syndrome
- Motor
CP of Guillian Barré Syndrome
- Sensory
CP of Guillian Barré Syndrome
- Autonomic
CP of Guillian Barré Syndrome
- CNs
INVx for Guillian Barré Syndrome
INVx for Guillian Barré Syndrome
- CSF Analysis
INVx for Guillian Barré Syndrome
- Electrophysiological Studies
Management of Guillian Barré Syndrome
Management of Guillian Barré Syndrome
- Indication of PICU Admission
Management of Guillian Barré Syndrome
- Specific TTT
Management of Guillian Barré Syndrome
- IVIG
Management of Guillian Barré Syndrome
- Advantages of IVIG
IVIG is the preferred immunomodulatory treatment as it is
- easier to give
- few side effects
- the treatment can be implemented more quickly
- good outcome as plasmapheresis
Management of Guillian Barré Syndrome
- regimens of IVIG
Management of Guillian Barré Syndrome
- Plasmapheresis
Prognosis of Guillian Barré Syndrome
INVx for Myasthenia Gravis
INVx for Myasthenia Gravis
- Labs
Acetylcholine receptor antibody assays: +ve in 85 % of cases
- the most helpful diagnostic investigation
INVx for Myasthenia Gravis
- Electrophysiological Studies
- Repetitive nerve stimulation is abnormal with characteristic findings in 60%
INVx for Myasthenia Gravis
- Chest CT
Assessment of thymoma or thymic hyperplasia
TTT for Myasthenia Gravis
Def of Transverse Myelitis
Acute demyelinating disorder of the spinal cord (other parts of CNS can affected)
CP of Transverse Myelitis
CP of Transverse Myelitis
- Motor
CP of Transverse Myelitis
- Sensory
- Back pain is common at the onset Els Neese
- Sensory level of loss of sensation which is usually thoraci
CP of Transverse Myelitis
- Autonomic
- Bladder and/or bowel incontinence
TTT of Transverse Myelitis
TTT of Transverse Myelitis
- Acute Management
Acute Management of Transverse Myelitis
- 1st Line
Acute Management of Transverse Myelitis
- 2nd Line
Acute Management of Transverse Myelitis
- Supportive Care
Management of bowl & bladder dysfunction
Management of Transverse Myelitis
- Long Term
- Physical & occupational therapy to prevent contracture
- Treatment of underlying cause
CP of Botulism Toxicity
CP of Botulism Toxicity
- Non-Specific
Dry mouth
CP of Botulism Toxicity
- CN
CP of Botulism Toxicity
- Autonomic
- Paralytic ileus advancing to severe constipation
- Bladder distention advancing to urinary retention
- Orthostatic hypotension
CP of Botulism Toxicity
- Additional Symptoms
- Deep tendon reflexes are absent.
- There is NO sensory loss.
- There is NO fever
- Consciousness is NOT impaired
INVx for Botulism Toxicity
- Toxin detection, serology
- Electromyography (EMG), Nerve conduction study (NCS)
- CSF examination is normal
TTT of Botulism Toxicity
- Antitoxin (Human botulism Ig)
- Complete recovery takes weeks to months