Responses to median and tibial nerve stimulation in patients with chronic neuropathic pain
Somatosensory evoked magnetic fields and electrical potentials were measured in eight patients with unilateral neuropathic pain. After median nerve stimulation on the painful side, the amplitudes of the evoked responses were enhanced 2 to 3 times at a latency of about 100 ms compared to the response...
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| Veröffentlicht in: | Brain topography 1999, Vol.11 (4), p.305-313 |
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| creator | Theuvenet, P J Dunajski, Z Peters, M J van Ree, J M |
| description | Somatosensory evoked magnetic fields and electrical potentials were measured in eight patients with unilateral neuropathic pain. After median nerve stimulation on the painful side, the amplitudes of the evoked responses were enhanced 2 to 3 times at a latency of about 100 ms compared to the responses of the contralateral, unaffected side. After posterior tibial nerve stimulation an enhancement was found at latencies around 110 ms and 150 ms. The scalp distribution of the magnetic field at the latencies of "abnormal" responses was dipolar and the responses could be ascribed to a current dipole. Three (of the eight) patients underwent spinal cord stimulation (SCS) for their pain. The enhancement of the evoked responses to stimulation of the painful side decreased after spinal cord stimulation. After a long period of spinal cord stimulation only (e.g., a year) during which the patient reported to be pain free, these "abnormal" responses were no longer observed. |
| doi_str_mv | 10.1023/A:1022210704505 |
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After median nerve stimulation on the painful side, the amplitudes of the evoked responses were enhanced 2 to 3 times at a latency of about 100 ms compared to the responses of the contralateral, unaffected side. After posterior tibial nerve stimulation an enhancement was found at latencies around 110 ms and 150 ms. The scalp distribution of the magnetic field at the latencies of "abnormal" responses was dipolar and the responses could be ascribed to a current dipole. Three (of the eight) patients underwent spinal cord stimulation (SCS) for their pain. The enhancement of the evoked responses to stimulation of the painful side decreased after spinal cord stimulation. After a long period of spinal cord stimulation only (e.g., a year) during which the patient reported to be pain free, these "abnormal" responses were no longer observed.</description><identifier>ISSN: 0896-0267</identifier><identifier>DOI: 10.1023/A:1022210704505</identifier><identifier>PMID: 10449261</identifier><language>eng</language><publisher>United States</publisher><subject>Accidents ; Adult ; Aged ; Amputation ; Brain - physiopathology ; Brain Mapping ; Chronic Disease ; Electroencephalography ; Evoked Potentials, Somatosensory - physiology ; Female ; Fingers ; Functional Laterality ; Humans ; Magnetoencephalography ; Male ; Median Nerve - physiopathology ; Middle Aged ; Neuralgia - physiopathology ; Sural Nerve - injuries ; Sural Nerve - physiopathology ; Tendons - surgery ; Tibial Nerve - physiopathology</subject><ispartof>Brain topography, 1999, Vol.11 (4), p.305-313</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c253t-5e8463e7b1e7ef0d45c8641d7457337ed587abeb020712b0d5e30fd9898de8c43</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10449261$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Theuvenet, P J</creatorcontrib><creatorcontrib>Dunajski, Z</creatorcontrib><creatorcontrib>Peters, M J</creatorcontrib><creatorcontrib>van Ree, J M</creatorcontrib><title>Responses to median and tibial nerve stimulation in patients with chronic neuropathic pain</title><title>Brain topography</title><addtitle>Brain Topogr</addtitle><description>Somatosensory evoked magnetic fields and electrical potentials were measured in eight patients with unilateral neuropathic pain. After median nerve stimulation on the painful side, the amplitudes of the evoked responses were enhanced 2 to 3 times at a latency of about 100 ms compared to the responses of the contralateral, unaffected side. After posterior tibial nerve stimulation an enhancement was found at latencies around 110 ms and 150 ms. The scalp distribution of the magnetic field at the latencies of "abnormal" responses was dipolar and the responses could be ascribed to a current dipole. Three (of the eight) patients underwent spinal cord stimulation (SCS) for their pain. The enhancement of the evoked responses to stimulation of the painful side decreased after spinal cord stimulation. After a long period of spinal cord stimulation only (e.g., a year) during which the patient reported to be pain free, these "abnormal" responses were no longer observed.</description><subject>Accidents</subject><subject>Adult</subject><subject>Aged</subject><subject>Amputation</subject><subject>Brain - physiopathology</subject><subject>Brain Mapping</subject><subject>Chronic Disease</subject><subject>Electroencephalography</subject><subject>Evoked Potentials, Somatosensory - physiology</subject><subject>Female</subject><subject>Fingers</subject><subject>Functional Laterality</subject><subject>Humans</subject><subject>Magnetoencephalography</subject><subject>Male</subject><subject>Median Nerve - physiopathology</subject><subject>Middle Aged</subject><subject>Neuralgia - physiopathology</subject><subject>Sural Nerve - injuries</subject><subject>Sural Nerve - physiopathology</subject><subject>Tendons - surgery</subject><subject>Tibial Nerve - physiopathology</subject><issn>0896-0267</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo1kE1LxDAYhHNQ3HX17E1y8lZ989Wk3pbFL1gQRC9eStq8y0batDap4r834HqagXkYmCHkgsE1Ay5u1rdZOGegQSpQR2QJpioL4KVekNMYPwBAVFqfkAUDKStesiV5f8E4DiFipGmgPTpvA7XB0eQbbzsacPpCGpPv584mPwTqAx2zw5Ai_fZpT9v9NATfZnSehhztsx-tD2fkeGe7iOcHXZG3-7vXzWOxfX542qy3RcuVSIVCI0uBumGocQdOqtaUkjktlRZCo1NG2wYb4KAZb8ApFLBzlamMQ9NKsSJXf73jNHzOGFPd-9hi19mAwxzrsqqUkdxk8PIAzk1eWo-T7-30U_-_IX4BLDdgXw</recordid><startdate>1999</startdate><enddate>1999</enddate><creator>Theuvenet, P J</creator><creator>Dunajski, Z</creator><creator>Peters, M J</creator><creator>van Ree, J M</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>1999</creationdate><title>Responses to median and tibial nerve stimulation in patients with chronic neuropathic pain</title><author>Theuvenet, P J ; Dunajski, Z ; Peters, M J ; van Ree, J M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c253t-5e8463e7b1e7ef0d45c8641d7457337ed587abeb020712b0d5e30fd9898de8c43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Accidents</topic><topic>Adult</topic><topic>Aged</topic><topic>Amputation</topic><topic>Brain - physiopathology</topic><topic>Brain Mapping</topic><topic>Chronic Disease</topic><topic>Electroencephalography</topic><topic>Evoked Potentials, Somatosensory - physiology</topic><topic>Female</topic><topic>Fingers</topic><topic>Functional Laterality</topic><topic>Humans</topic><topic>Magnetoencephalography</topic><topic>Male</topic><topic>Median Nerve - physiopathology</topic><topic>Middle Aged</topic><topic>Neuralgia - physiopathology</topic><topic>Sural Nerve - injuries</topic><topic>Sural Nerve - physiopathology</topic><topic>Tendons - surgery</topic><topic>Tibial Nerve - physiopathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Theuvenet, P J</creatorcontrib><creatorcontrib>Dunajski, Z</creatorcontrib><creatorcontrib>Peters, M J</creatorcontrib><creatorcontrib>van Ree, J M</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Brain topography</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Theuvenet, P J</au><au>Dunajski, Z</au><au>Peters, M J</au><au>van Ree, J M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Responses to median and tibial nerve stimulation in patients with chronic neuropathic pain</atitle><jtitle>Brain topography</jtitle><addtitle>Brain Topogr</addtitle><date>1999</date><risdate>1999</risdate><volume>11</volume><issue>4</issue><spage>305</spage><epage>313</epage><pages>305-313</pages><issn>0896-0267</issn><abstract>Somatosensory evoked magnetic fields and electrical potentials were measured in eight patients with unilateral neuropathic pain. After median nerve stimulation on the painful side, the amplitudes of the evoked responses were enhanced 2 to 3 times at a latency of about 100 ms compared to the responses of the contralateral, unaffected side. After posterior tibial nerve stimulation an enhancement was found at latencies around 110 ms and 150 ms. The scalp distribution of the magnetic field at the latencies of "abnormal" responses was dipolar and the responses could be ascribed to a current dipole. Three (of the eight) patients underwent spinal cord stimulation (SCS) for their pain. The enhancement of the evoked responses to stimulation of the painful side decreased after spinal cord stimulation. After a long period of spinal cord stimulation only (e.g., a year) during which the patient reported to be pain free, these "abnormal" responses were no longer observed.</abstract><cop>United States</cop><pmid>10449261</pmid><doi>10.1023/A:1022210704505</doi><tpages>9</tpages></addata></record> |
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| subjects | Accidents Adult Aged Amputation Brain - physiopathology Brain Mapping Chronic Disease Electroencephalography Evoked Potentials, Somatosensory - physiology Female Fingers Functional Laterality Humans Magnetoencephalography Male Median Nerve - physiopathology Middle Aged Neuralgia - physiopathology Sural Nerve - injuries Sural Nerve - physiopathology Tendons - surgery Tibial Nerve - physiopathology |
| title | Responses to median and tibial nerve stimulation in patients with chronic neuropathic pain |
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