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Journal ArticleDOI

Neuropathic pain Redefinition and a grading system for clinical and research purposes

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TLDR
A grading system of definite, probable, and possible neuropathic pain is proposed, which includes the grade possible, which can only be regarded as a working hypothesis, and the grades probable and definite, which require confirmatory evidence from a neurologic examination.
Abstract
Pain usually results from activation of nociceptive afferents by actually or potentially tissue-damaging stimuli. Pain may also arise by activity generated within the nervous system without adequate stimulation of its peripheral sensory endings. For this type of pain, the International Association for the Study of Pain introduced the term neuropathic pain, defined as "pain initiated or caused by a primary lesion or dysfunction in the nervous system." While this definition has been useful in distinguishing some characteristics of neuropathic and nociceptive types of pain, it lacks defined boundaries. Since the sensitivity of the nociceptive system is modulated by its adequate activation (e.g., by central sensitization), it has been difficult to distinguish neuropathic dysfunction from physiologic neuroplasticity. We present a more precise definition developed by a group of experts from the neurologic and pain community: pain arising as a direct consequence of a lesion or disease affecting the somatosensory system. This revised definition fits into the nosology of neurologic disorders. The reference to the somatosensory system was derived from a wide range of neuropathic pain conditions ranging from painful neuropathy to central poststroke pain. Because of the lack of a specific diagnostic tool for neuropathic pain, a grading system of definite, probable, and possible neuropathic pain is proposed. The grade possible can only be regarded as a working hypothesis, which does not exclude but does not diagnose neuropathic pain. The grades probable and definite require confirmatory evidence from a neurologic examination. This grading system is proposed for clinical and research purposes.

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Pharmacotherapy for neuropathic pain in adults: a systematic review and meta-analysis.

TL;DR: The results support a revision of the NeuPSIG recommendations for the pharmacotherapy of neuropathic pain and allow a strong recommendation for use and proposal as first-line treatment in neuropathicPain for tricyclic antidepressants, serotonin-noradrenaline reuptake inhibitors, pregabalin, and gabapentin.
Journal ArticleDOI

Diabetic Neuropathies: Update on Definitions, Diagnostic Criteria, Estimation of Severity, and Treatments

TL;DR: A joint meeting of the 19th annual Diabetic Neuropathy Study Group of the European Association for the Study of Diabetes (NEURODIAB) and the 8th International Symposium on Diabetes in Toronto, Canada, 13-18 October 2009, expert panels were convened to provide updates on classification, definitions, diagnostic criteria, and treatments of diabetic peripheral neuropathies as mentioned in this paper.
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Neuropathic Pain: A Maladaptive Response of the Nervous System to Damage

TL;DR: Treatment needs to move from merely suppressing symptoms to a disease-modifying strategy aimed at both preventing maladaptive plasticity and reducing intrinsic risk.
References
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Journal ArticleDOI

The International Classification of Headache Disorders

Jes Olesen
- 01 May 2008 - 
TL;DR: The ICHD identifies and categorizes more than a hundred different kinds of headache in a logical, hierarchal system and has provided explicit diagnostic criteria for all of the headache disorders listed.
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Persistent postsurgical pain: risk factors and prevention

TL;DR: Strategies for identification of patients at risk and for prevention and possible treatment of this important entity of chronic pain are outlined.
Journal ArticleDOI

Comparison of pain syndromes associated with nervous or somatic lesions and development of a new neuropathic pain diagnostic questionnaire (DN4)

TL;DR: The 10‐item questionnaire developed in the present study constitutes a new diagnostic instrument, which might be helpful both in clinical research and daily practice and found that a relatively small number of items are sufficient to discriminate neuropathic pain.
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