Neuropathic Pain
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Definition[edit | edit source]
Complex type of pain initiated or caused by a primary lesion or dysfunction in the nervous system (IASP, 2012).
Cause[edit | edit source]
Damage can be caused by trauma, surgery or disease processes including diabetes,infection (eg after shingles infection - post-herpetic neuralgia) and cancer.
Has a peripheral origin and may develop central sensitization but "primary afferent input is critical for maintaining neuropathic pain in peripheral nerve injury and distal polyneuropathy" Haroutounian S, Nikolajsen L, Bendtsen TF, Finnerup NB, Kristensen AD, Hasselstrøm JB, & Jensen TS (2014). Primary afferent input critical for maintaining spontaneous pain in peripheral neuropathy. Pain, 155 (7), 1272-9
Pain may be generated in peripheral nerve, dorsal root ganglion,
Assessment[edit | edit source]
Examination of a Patient with Peripheral Neuropathic Pain shows a real patient with multiple mononeuropathy due to isolated peripheral nervous system vasculitis. He is suffering from neuropathic pain in his left hand and both legs. Functional assessment and sensory and motor examination of both upper and lower limbs is demonstrated
File:Http://www.youtube.com/watch?v=MJxeI a04Xc
DN4 – QUESTIONNAIRE Assists with neuropathic pain assessment
Use when neuropathic pain is suspected.
What to do • Interview questionnaires and physical tests. • If score ≥ 4, consider anti-neuropathic medication
Ref : http://www.aci.health.nsw.gov.au/__data/assets/pdf_file/0014/212900/DN4_Assessment_Tool.pdf Add text here...
References[edit | edit source]
International Association for the Study of Pain(lASP) http://www.iasp-pain.org/
Haroutounian S, Nikolajsen L, Bendtsen TF, Finnerup NB, Kristensen AD, Hasselstrøm JB, & Jensen TS (2014). Primary afferent input critical for maintaining spontaneous pain in peripheral neuropathy. Pain, 155 (7), 1272-9 PMID: 24704366
http://www.aci.health.nsw.gov.au/__data/assets/pdf_file/0014/212900/DN4_Assessment_Tool.pdf