Management of Chronic Pain Flashcards
What are the symptoms of Chronic Regional Pain Syndrome?
Allodynia Hyperalgesia Swelling Hair and nail changes Osteopenia
What is the treatment for Chronic Regional Pain Syndrome?
Physiotherapy
Anti Neuropathics
What is allodynia ?
Experience of pain from non painful stimuli e.g. cotton wool cutting hair etc
What is Nociceptive pain?
Pain from an injury relayed via normal nervous system
What is neuropathic pain?
Pain generated in the nervous system
What s mixed pain?
Pain from both relayed and produced by the nervous system e.g. cancer
What are the three subgroups of pain?
Nociceptive
Neuropathic
Mixed
Describe neuropathic pain?
Burning
Shooting
Tingling
What is hyperalgesia ?
Stimuli is more painful than would be expected.
List some common examples of neuropathic pain,
Shingles Diabetic neuropathy Surgery Trauma Amputation
List some anti neuropathic drugs used in the treatment of chronic pain?
Tricyclic antidepressants Anticonvulsants Opiods NMDA Antagonist Sodium Channel blockers
Give an example of a tricyclic antidepressant used in the treatment of chronic pain.
Amitriptyline
Give and example of a anticonvulsant used in the treatment of chronic pain.
gabapentin
Give an example of an opioid used in the treatment of chronic pain.
Morphine
Give an example of an NMDA Antagonist used in the treatment of chronic pain.
Ketamine
Give an example of a Na+ channel blocker used in the treatment of chronic pain.
Lignocaine
In children what is used to treat neuropathic pain?
Topical Capsacin
Topical Levomenthol
In the pain clinic what therapies can be offered in the treatment of neuropathic pain?
TENS Acupuncture Nerve blockers Intrathecal drug delivery Spinal chord stimulation
What procedures are available but not widely used in the treatment of neuropathic pain?
Lidocaine infusions
Epidural steroids
Facet denervation
Stellate ganglion block
What Ion channel if present is likely to cause abnormal or increased pain?
SCN9A
Delayed amputation results in a reduced incidence of phantom pain? T/F
False
Increases likelihood of phantom pain
What is remapping in context of amputation?
Area of the sensory cortex related to the rising limb is taken over by other body parts .
What can remapping result in?
Association of missing limb to other body parts.
For example may touch the face and feel it on the missing limb.