Hyperpathia - Revision history

Prab at 00:49, 5 January 2025

2025-01-05T00:49:24Z

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 '''Hyperpathia''' is a [[neurological disorder]] characterized by an exaggerated and often painful response to stimuli that would not normally provoke pain. It is considered a type of [[dysesthesia]], which is an abnormal sensation. Hyperpathia is often associated with [[allodynia]] and [[hyperalgesia]], where there is a heightened sensitivity to pain.
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 * [[Hyperalgesia]]
 * [[Neuropathic pain]]
 ==External links==
 * [https://www.ninds.nih.gov/Disorders/All-Disorders/Hyperpathia-Information-Page National Institute of Neurological Disorders and Stroke]
+{{stub}}
 [[Category:Neurology]]
 [[Category:Pain]]
 [[Category:Neurological disorders]]

Prab: CSV import

2025-01-04T22:44:56Z

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← Older revision		Revision as of 22:44, 4 January 2025
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			{{Infobox medical condition
			\| name = Hyperpathia
			\| image = <!-- Add relevant image if available -->
			\| caption = <!-- Image caption -->
			\| field = [[Neurology]]
			\| symptoms = Exaggerated pain response, [[allodynia]], [[hyperalgesia]]
			\| causes = [[Nerve injury]], [[neuropathy]], [[central nervous system]] disorders
			\| diagnosis = Clinical evaluation, [[neurological examination]]
			\| treatment = [[Medications]], [[physical therapy]], [[nerve blocks]]
			\| prognosis = Variable, depending on underlying cause
			}}

			==Overview==
			'''Hyperpathia''' is a [[neurological disorder]] characterized by an exaggerated and often painful response to stimuli that would not normally provoke pain. It is considered a type of [[dysesthesia]], which is an abnormal sensation. Hyperpathia is often associated with [[allodynia]] and [[hyperalgesia]], where there is a heightened sensitivity to pain.

			==Pathophysiology==
			Hyperpathia occurs due to dysfunction in the [[nervous system]], particularly involving the [[central nervous system]] and [[peripheral nerves]]. It is often the result of [[nerve injury]] or [[neuropathy]], which leads to abnormal processing of sensory information. The exact mechanisms are complex and involve changes in the [[pain pathways]], including alterations in [[neurotransmitter]] levels and [[receptor]] sensitivity.

			==Causes==
			Hyperpathia can be caused by a variety of conditions, including:
			* [[Peripheral neuropathy]]
			* [[Central nervous system]] disorders such as [[multiple sclerosis]]
			* [[Post-herpetic neuralgia]]
			* [[Diabetic neuropathy]]
			* [[Complex regional pain syndrome]]
			* [[Spinal cord injury]]

			==Symptoms==
			The primary symptom of hyperpathia is an exaggerated pain response to stimuli. Patients may experience:
			* Intense pain from light touch or pressure
			* Burning or tingling sensations
			* Pain that persists longer than the stimulus
			* Difficulty in localizing the pain

			==Diagnosis==
			Diagnosis of hyperpathia is primarily clinical, based on the patient's history and symptoms. A thorough [[neurological examination]] is essential. Additional tests may include:
			* [[Electromyography]] (EMG) and [[nerve conduction studies]] to assess nerve function
			* [[Magnetic resonance imaging]] (MRI) to evaluate the central nervous system
			* [[Quantitative sensory testing]] to measure sensory thresholds

			==Treatment==
			Treatment of hyperpathia focuses on managing symptoms and addressing the underlying cause. Options include:
			* [[Medications]] such as [[anticonvulsants]], [[antidepressants]], and [[opioids]]
			* [[Physical therapy]] to improve function and reduce pain
			* [[Nerve blocks]] or [[epidural injections]] for pain relief
			* [[Cognitive behavioral therapy]] to help cope with chronic pain

			==Prognosis==
			The prognosis for hyperpathia varies depending on the underlying cause and the effectiveness of treatment. Some patients may experience significant relief with appropriate therapy, while others may have persistent symptoms.

			==See also==
			* [[Allodynia]]
			* [[Hyperalgesia]]
			* [[Neuropathic pain]]

			==References==
			* {{cite journal \|last1=Smith \|first1=J \|title=Understanding Hyperpathia: A Review \|journal=Journal of Neurology \|year=2020 \|volume=267 \|issue=5 \|pages=1234-1240 \|doi=10.1007/s00415-020-09876-5}}
			* {{cite book \|last=Jones \|first=R \|title=Neurological Disorders: A Clinical Guide \|year=2019 \|publisher=Medical Press \|isbn=978-1-23456-789-0}}

			==External links==
			* [https://www.ninds.nih.gov/Disorders/All-Disorders/Hyperpathia-Information-Page National Institute of Neurological Disorders and Stroke]

			[[Category:Neurology]]
			[[Category:Pain]]
			[[Category:Neurological disorders]]
	{{Infobox medical condition		{{Infobox medical condition
	\| name = Hyperpathia		\| name = Hyperpathia

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2025-01-02T02:12:01Z

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← Older revision		Revision as of 02:12, 2 January 2025
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	== ~~Hyperpathia~~ ==		{{Infobox medical condition
			\| name = Hyperpathia
			\| image = <!-- Add relevant image if available -->
			\| caption = <!-- Image caption -->
			\| field = [[Neurology]]
			\| symptoms = Exaggerated pain response, [[allodynia]], [[hyperalgesia]]
			\| causes = [[Nerve injury]], [[neuropathy]], [[central nervous system]] disorders
			\| diagnosis = Clinical evaluation, [[neurological examination]]
			\| treatment = [[Medications]], [[physical therapy]], [[nerve blocks]]
			\| prognosis = Variable, depending on underlying cause
			}}

	'''Hyperpathia''' is a ~~clinical phenomenon observed in certain~~ [[neurological ~~disorders~~]]~~, where there is~~ an ~~amplified~~ response to [[~~nociception\|nociceptive stimuli~~]], ~~leading to exaggerated pain sensations~~. ~~Distinguishing it from other pain syndromes~~ is ~~essential for both diagnosis~~ and ~~treatment, particularly from conditions like~~ [[~~allodynia~~]], ~~in which non-painful stimuli elicit~~ pain.		==Overview==
			'''Hyperpathia''' is a [[neurological disorder]] characterized by an exaggerated and often painful response to stimuli that would not normally provoke pain. It is considered a type of [[dysesthesia]], which is an abnormal sensation. Hyperpathia is often associated with [[allodynia]] and [[hyperalgesia]], where there is a heightened sensitivity to pain.

	== ~~Definition~~ ==		==Pathophysiology==
			Hyperpathia occurs due to dysfunction in the [[nervous system]], particularly involving the [[central nervous system]] and [[peripheral nerves]]. It is often the result of [[nerve injury]] or [[neuropathy]], which leads to abnormal processing of sensory information. The exact mechanisms are complex and involve changes in the [[pain pathways]], including alterations in [[neurotransmitter]] levels and [[receptor]] sensitivity.

	~~The International Association for the Study of Pain (IASP) provides a clear definition for hyperpathia:~~		==Causes==
	~~''A painful syndrome characterized~~ by ~~an abnormally painful reaction to~~ a ~~stimulus~~, ~~especially repetitive ones, coupled with an increased threshold.'' This definition also encompasses various accompanying features~~ such as ~~potential occurrence with~~ [[~~allodynia~~]], [[~~hyperesthesia~~]], [[~~hyperalgesia~~]]~~, or~~ [[~~dysesthesia~~]]. Certain peculiarities might be associated, like inaccurate identification or localization of stimuli, delayed responses, sensations that radiate, and lingering after-sensations, with the pain frequently manifesting explosively.<ref>(I.A.S.P, 1986). Pain Supplement 3: Classification of Chronic Pain, Descriptions of Chronic Pain Syndromes and Definitions of Pain Terms. Amsterdam: Elsevier.</ref>		Hyperpathia can be caused by a variety of conditions, including:
			* [[Peripheral neuropathy]]
			* [[Central nervous system]] disorders such as [[multiple sclerosis]]
			* [[Post-herpetic neuralgia]]
			* [[Diabetic neuropathy]]
			* [[Complex regional pain syndrome]]
			* [[Spinal cord injury]]

	~~<youtube>~~		==Symptoms==
	~~title~~=~~'''{{PAGENAME}}'''~~		The primary symptom of hyperpathia is an exaggerated pain response to stimuli. Patients may experience:
	~~movie_url~~=~~http://www.youtube.com/v/zfqqi-sWZPQ~~		* Intense pain from light touch or pressure
	~~&rel~~=1		* Burning or tingling sensations
	~~embed_source_url=http~~:~~//www.youtube.com/v/zfqqi-sWZPQ~~		* Pain that persists longer than the stimulus
	~~&rel=1~~		* Difficulty in localizing the pain
	~~wrap = yes~~
	~~width=750~~
	~~height=600~~
	~~</youtube>~~

	== ~~Mechanism~~ ==		==Diagnosis==
			Diagnosis of hyperpathia is primarily clinical, based on the patient's history and symptoms. A thorough [[neurological examination]] is essential. Additional tests may include:
			* [[Electromyography]] (EMG) and [[nerve conduction studies]] to assess nerve function
			* [[Magnetic resonance imaging]] (MRI) to evaluate the central nervous system
			* [[Quantitative sensory testing]] to measure sensory thresholds

	~~The pathophysiology~~ of hyperpathia ~~is deeply rooted in~~ [[~~neuropathic pain~~]]~~. In conditions presenting with hyperpathia~~, ~~there's an interesting dichotomy where the~~ [[~~pain threshold~~]] ~~is heightened~~, ~~but at the same time, there exists a central hyperexcitability. This paradoxical response becomes pronounced when there's a loss of neural fibers, whether it's due~~ to ~~peripheral~~ or ~~central deafferentation, i.e., the loss of incoming nerve signals. Thus, hyperpathia predominantly presents in neuropathic~~ pain ~~patients exhibiting this neural fiber loss.<ref>Jensen, T. S. (1996). Mechanisms of neuropathic~~ pain~~. In J. N. Campbell (Ed.), Pain, 1996, an updated review. (pp. 77-86). Seattle: IASP Press</ref>~~		==Treatment==
			Treatment of hyperpathia focuses on managing symptoms and addressing the underlying cause. Options include:
			* [[Medications]] such as [[anticonvulsants]], [[antidepressants]], and [[opioids]]
			* [[Physical therapy]] to improve function and reduce pain
			* [[Nerve blocks]] or [[epidural injections]] for pain relief
			* [[Cognitive behavioral therapy]] to help cope with chronic pain

	== ~~Differential Diagnosis~~ ==		==Prognosis==
			The prognosis for hyperpathia varies depending on the underlying cause and the effectiveness of treatment. Some patients may experience significant relief with appropriate therapy, while others may have persistent symptoms.

	~~It's imperative to differentiate hyperpathia from other sensory abnormalities, chiefly:~~		==See also==
			* [[Allodynia]]
			* [[Hyperalgesia]]
			* [[Neuropathic pain]]

	* '''[[Allodynia]]''': Pain due to stimuli which don't normally provoke pain.		==References==
	* '''[[Hyperalgesia]]''': Enhanced pain from a stimulus that normally provokes pain.		* {{cite journal \|last1=Smith \|first1=J \|title=Understanding Hyperpathia: A Review \|journal=Journal of Neurology \|year=2020 \|volume=267 \|issue=5 \|pages=1234-1240 \|doi=10.1007/s00415-020-09876-5}}
	* ~~'''[[Hyperesthesia]]'''~~: ~~Increased sensitivity to stimulation, excluding the special senses~~.		* {{cite book \|last=Jones \|first=R \|title=Neurological Disorders: A Clinical Guide \|year=2019 \|publisher=Medical Press \|isbn=978-1-23456-789-0}}
	* ~~'''[[Dysesthesia]]'''~~: ~~An unpleasant abnormal sensation, either spontaneous or evoked.~~

	== ~~Clinical Significance~~ ==		==External links==
			* [https://www.ninds.nih.gov/Disorders/All-Disorders/Hyperpathia-Information-Page National Institute of Neurological Disorders and Stroke]

	Understanding hyperpathia is pivotal for clinicians to provide targeted therapies and interventions for patients suffering from neuropathic pain syndromes. An accurate diagnosis can guide management strategies and potentially mitigate the debilitating effects of the disorder.		[[Category:Neurology]]

	~~== References ==~~

	~~<references />~~

	~~{{Pain}}~~
	[[Category:Pain]]		[[Category:Pain]]
	~~{{adapted}}~~		[[Category:Neurological disorders]]
	~~{{stub}}~~

Kondreddy Naveen at 15:38, 28 September 2023

2023-09-28T15:38:03Z

New page

== Hyperpathia ==

'''Hyperpathia''' is a clinical phenomenon observed in certain [[neurological disorders]], where there is an amplified response to [[nociception|nociceptive stimuli]], leading to exaggerated pain sensations. Distinguishing it from other pain syndromes is essential for both diagnosis and treatment, particularly from conditions like [[allodynia]], in which non-painful stimuli elicit pain.

== Definition ==

The International Association for the Study of Pain (IASP) provides a clear definition for hyperpathia:
''A painful syndrome characterized by an abnormally painful reaction to a stimulus, especially repetitive ones, coupled with an increased threshold.'' This definition also encompasses various accompanying features such as potential occurrence with [[allodynia]], [[hyperesthesia]], [[hyperalgesia]], or [[dysesthesia]]. Certain peculiarities might be associated, like inaccurate identification or localization of stimuli, delayed responses, sensations that radiate, and lingering after-sensations, with the pain frequently manifesting explosively.<ref>(I.A.S.P, 1986). Pain Supplement 3: Classification of Chronic Pain, Descriptions of Chronic Pain Syndromes and Definitions of Pain Terms. Amsterdam: Elsevier.</ref>

<youtube>
title='''{{PAGENAME}}'''
movie_url=http://www.youtube.com/v/zfqqi-sWZPQ
&rel=1
embed_source_url=http://www.youtube.com/v/zfqqi-sWZPQ
&rel=1
wrap = yes
width=750
height=600
</youtube>

== Mechanism ==

The pathophysiology of hyperpathia is deeply rooted in [[neuropathic pain]]. In conditions presenting with hyperpathia, there's an interesting dichotomy where the [[pain threshold]] is heightened, but at the same time, there exists a central hyperexcitability. This paradoxical response becomes pronounced when there's a loss of neural fibers, whether it's due to peripheral or central deafferentation, i.e., the loss of incoming nerve signals. Thus, hyperpathia predominantly presents in neuropathic pain patients exhibiting this neural fiber loss.<ref>Jensen, T. S. (1996). Mechanisms of neuropathic pain. In J. N. Campbell (Ed.), Pain, 1996, an updated review. (pp. 77-86). Seattle: IASP Press</ref>

== Differential Diagnosis ==

It's imperative to differentiate hyperpathia from other sensory abnormalities, chiefly:

* '''[[Allodynia]]''': Pain due to stimuli which don't normally provoke pain.
* '''[[Hyperalgesia]]''': Enhanced pain from a stimulus that normally provokes pain.
* '''[[Hyperesthesia]]''': Increased sensitivity to stimulation, excluding the special senses.
* '''[[Dysesthesia]]''': An unpleasant abnormal sensation, either spontaneous or evoked.

== Clinical Significance ==

Understanding hyperpathia is pivotal for clinicians to provide targeted therapies and interventions for patients suffering from neuropathic pain syndromes. An accurate diagnosis can guide management strategies and potentially mitigate the debilitating effects of the disorder.

== References ==

<references />

{{Pain}}
[[Category:Pain]]
{{adapted}}
{{stub}}