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Chapter: Clinical Cases in Anesthesia : Cancer Pain Management

What guidelines can be followed in devising a chronic analgesic regimen for treating cancer pain?

Guidelines frequently followed when treating cancer pain use a combination of different classes of analgesics to minimize the side-effects of any one medication.

What guidelines can be followed in devising a chronic analgesic regimen for treating cancer pain?

 

Guidelines frequently followed when treating cancer pain use a combination of different classes of analgesics to minimize the side-effects of any one medication. The com-bination should utilize drugs that work on the pain path-ways at different levels, so that the analgesics can have additive/synergistic effects.

A typical cancer pain regimen includes:

 

·  Opioids with a set dose and extended-release mechanism (Table 76.1): act on opioid receptors in the brain and the spinal cord.

 

·  NSAIDs: act by primarily inhibiting prostaglandin synthe-sis causing desensitization of peripheral pain receptors.

 

·  TCAs: act by inhibiting the reuptake of serotonin and norepinephrine, which results in stimulation of the descending inhibitory pain tracts in the spinal cord.

 

·  Anticonvulsants (optional): act on the neuropathic components of pain.

 

·  Fast-onset, short-duration analgesics: given on a “prn” basis for episodic, breakthrough pain.

 

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Clinical Cases in Anesthesia : Cancer Pain Management : What guidelines can be followed in devising a chronic analgesic regimen for treating cancer pain? |


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