Ch. 19 - Pain (neurosurgical management) Flashcards Preview

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Flashcards in Ch. 19 - Pain (neurosurgical management) Deck (9)
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1
Q

What are the 3 major components of pain?

A

Sensory - discriminative
Motivational - affective
Cognitive - evaluative

2
Q

Sensory-discriminative component of pain

A

Spatial, temporal, magnitude aspects of pain

3
Q

Pathway of sensory-discriminative component of pain

A

Neospinothalamic projections to ventrobasal thalamus to somatosensory cortex

4
Q

Difference between A-delta and C fibers

A

A-delta: myelinated and fast

C: unmyelinated and slow

5
Q

Cognitive-evaluative component of pain

A

Person’s understanding of pain as it regards to their intellectual, social, and cultural background

6
Q

CNS regions involved in motivational-affective component of pain

A

Brainstem reticular formation and limbic system

7
Q

Motivational-affective component of pain

A

Aversive quality of pain

8
Q

Gate control theory of pain

A

Neural mechanisms in dorsal column of spinal cord act like a gate, which can either increase or decrease the flow of nerve impulses from periphery to CNS

9
Q

Neurosurgical procedures available for pain modulation

A

Nerve section, spinal cordotomy (section of lateral spinothalamic tract), spinal cord stimulation, sympathectomy, intracerebral procedures, deep brain stimulation (LAST RESORT)