Endoscopic carpal tunnel release and nerve conduction studies
We investigated the outcome of endoscopic carpal tunnel release (ECTR) for patients with carpal tunnel syndrome (CTS) in comparison with the results of preoperative nerve conduction studies. The compound muscle action potential (CMAP) of the abductor pollicis brevis muscle (APB) and the second lumbr...
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| Veröffentlicht in: | International orthopaedics 2001, Vol.24 (6), p.361-363 |
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| creator | UENO, Hiroyasu KANEKO, Kazuo TAGUCHI, Toshihiko FUCHIGAMI, Yasunori FUJIMOTO, Hideaki KAWAI, Shinya |
| description | We investigated the outcome of endoscopic carpal tunnel release (ECTR) for patients with carpal tunnel syndrome (CTS) in comparison with the results of preoperative nerve conduction studies. The compound muscle action potential (CMAP) of the abductor pollicis brevis muscle (APB) and the second lumbrical muscle (L2) was recorded following median nerve stimulation at the wrist. A total of 38 hands in 35 patients were classified into four categories. Hands with a similarly prolonged distal motor latency for the APB and L2 were classified as type I (n=25), while those with a more prolonged distal motor latency for the APB than for the L2 (>0.7 ms) were classified as type 2 (n=10). Hands with a CMAP for the APB, but not L2, were classified as type 3 (n=1), and hands with no CMAP for either the APB or L2 were classified as type 4 (n=2). After ECTR, all of the type 1 and 2 hands were improved. Patients with type 3 and type 4 hands did not show satisfactory improvement, which may have been due to anatomical variation of the recurrent motor branch of the median nerve. |
| doi_str_mv | 10.1007/s002640000189 |
| format | Article |
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The compound muscle action potential (CMAP) of the abductor pollicis brevis muscle (APB) and the second lumbrical muscle (L2) was recorded following median nerve stimulation at the wrist. A total of 38 hands in 35 patients were classified into four categories. Hands with a similarly prolonged distal motor latency for the APB and L2 were classified as type I (n=25), while those with a more prolonged distal motor latency for the APB than for the L2 (>0.7 ms) were classified as type 2 (n=10). Hands with a CMAP for the APB, but not L2, were classified as type 3 (n=1), and hands with no CMAP for either the APB or L2 were classified as type 4 (n=2). After ECTR, all of the type 1 and 2 hands were improved. Patients with type 3 and type 4 hands did not show satisfactory improvement, which may have been due to anatomical variation of the recurrent motor branch of the median nerve.</description><identifier>ISSN: 0341-2695</identifier><identifier>EISSN: 1432-5195</identifier><identifier>DOI: 10.1007/s002640000189</identifier><identifier>PMID: 11294432</identifier><identifier>CODEN: IORTDR</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Action Potentials ; Adult ; Aged ; Aged, 80 and over ; Biological and medical sciences ; Carpal Tunnel Syndrome - physiopathology ; Carpal Tunnel Syndrome - surgery ; Endoscopy ; Female ; Humans ; Male ; Medical sciences ; Middle Aged ; Neural Conduction ; Original Paper ; Orthopedic surgery ; Surgery (general aspects). Transplantations, organ and tissue grafts. 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The compound muscle action potential (CMAP) of the abductor pollicis brevis muscle (APB) and the second lumbrical muscle (L2) was recorded following median nerve stimulation at the wrist. A total of 38 hands in 35 patients were classified into four categories. Hands with a similarly prolonged distal motor latency for the APB and L2 were classified as type I (n=25), while those with a more prolonged distal motor latency for the APB than for the L2 (>0.7 ms) were classified as type 2 (n=10). Hands with a CMAP for the APB, but not L2, were classified as type 3 (n=1), and hands with no CMAP for either the APB or L2 were classified as type 4 (n=2). After ECTR, all of the type 1 and 2 hands were improved. Patients with type 3 and type 4 hands did not show satisfactory improvement, which may have been due to anatomical variation of the recurrent motor branch of the median nerve.</description><subject>Action Potentials</subject><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Biological and medical sciences</subject><subject>Carpal Tunnel Syndrome - physiopathology</subject><subject>Carpal Tunnel Syndrome - surgery</subject><subject>Endoscopy</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Neural Conduction</subject><subject>Original Paper</subject><subject>Orthopedic surgery</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><issn>0341-2695</issn><issn>1432-5195</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpV0M1LwzAYBvAgipvTo1cpCN6qSZulyUFBxvyAgZfdw9vkrVa6ZCbtwP_eyMZ0ueSQH08eHkIuGb1llFZ3kdJCcJoOk-qIjBkvi3zK1PSYjGnJWV4INR2Rsxg_E6mEZKdkxFiheIJjcj931kfj163JDIQ1dFk_OIddFrBDiJiBs5nDsMHMeGcH07feZbEfbIvxnJw00EW82N0TsnyaL2cv-eLt-XX2uMgNZ6zPgTbUWmoa0RjJplLIVLeitrHAFUcqQRTW1IZSRAbW8Lri0oItrBJ1WZYT8rCNXQ_1Cq1B1wfo9Dq0Kwjf2kOrD19c-6Hf_UaXgilVqBRwswsI_mvA2OtVGw12HTj0Q9RVlaZSQiSYb6EJPsaAzf4TRvXv3vpg7-Sv_jf707uBE7jeAYgGuiaAM23cOykLnvr9ALN3iS4</recordid><startdate>2001</startdate><enddate>2001</enddate><creator>UENO, Hiroyasu</creator><creator>KANEKO, Kazuo</creator><creator>TAGUCHI, Toshihiko</creator><creator>FUCHIGAMI, Yasunori</creator><creator>FUJIMOTO, Hideaki</creator><creator>KAWAI, Shinya</creator><general>Springer</general><general>Springer-Verlag</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>2001</creationdate><title>Endoscopic carpal tunnel release and nerve conduction studies</title><author>UENO, Hiroyasu ; KANEKO, Kazuo ; TAGUCHI, Toshihiko ; FUCHIGAMI, Yasunori ; FUJIMOTO, Hideaki ; KAWAI, Shinya</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c411t-a0f0dd0cf6fc81586800070dfda494e08a62dcbc00ee1adc4b748dad2d96b333</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Action Potentials</topic><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Biological and medical sciences</topic><topic>Carpal Tunnel Syndrome - physiopathology</topic><topic>Carpal Tunnel Syndrome - surgery</topic><topic>Endoscopy</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Neural Conduction</topic><topic>Original Paper</topic><topic>Orthopedic surgery</topic><topic>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>UENO, Hiroyasu</creatorcontrib><creatorcontrib>KANEKO, Kazuo</creatorcontrib><creatorcontrib>TAGUCHI, Toshihiko</creatorcontrib><creatorcontrib>FUCHIGAMI, Yasunori</creatorcontrib><creatorcontrib>FUJIMOTO, Hideaki</creatorcontrib><creatorcontrib>KAWAI, Shinya</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>International orthopaedics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>UENO, Hiroyasu</au><au>KANEKO, Kazuo</au><au>TAGUCHI, Toshihiko</au><au>FUCHIGAMI, Yasunori</au><au>FUJIMOTO, Hideaki</au><au>KAWAI, Shinya</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Endoscopic carpal tunnel release and nerve conduction studies</atitle><jtitle>International orthopaedics</jtitle><addtitle>Int Orthop</addtitle><date>2001</date><risdate>2001</risdate><volume>24</volume><issue>6</issue><spage>361</spage><epage>363</epage><pages>361-363</pages><issn>0341-2695</issn><eissn>1432-5195</eissn><coden>IORTDR</coden><abstract>We investigated the outcome of endoscopic carpal tunnel release (ECTR) for patients with carpal tunnel syndrome (CTS) in comparison with the results of preoperative nerve conduction studies. The compound muscle action potential (CMAP) of the abductor pollicis brevis muscle (APB) and the second lumbrical muscle (L2) was recorded following median nerve stimulation at the wrist. A total of 38 hands in 35 patients were classified into four categories. Hands with a similarly prolonged distal motor latency for the APB and L2 were classified as type I (n=25), while those with a more prolonged distal motor latency for the APB than for the L2 (>0.7 ms) were classified as type 2 (n=10). Hands with a CMAP for the APB, but not L2, were classified as type 3 (n=1), and hands with no CMAP for either the APB or L2 were classified as type 4 (n=2). After ECTR, all of the type 1 and 2 hands were improved. Patients with type 3 and type 4 hands did not show satisfactory improvement, which may have been due to anatomical variation of the recurrent motor branch of the median nerve.</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>11294432</pmid><doi>10.1007/s002640000189</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Action Potentials Adult Aged Aged, 80 and over Biological and medical sciences Carpal Tunnel Syndrome - physiopathology Carpal Tunnel Syndrome - surgery Endoscopy Female Humans Male Medical sciences Middle Aged Neural Conduction Original Paper Orthopedic surgery Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases |
| title | Endoscopic carpal tunnel release and nerve conduction studies |
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