Ulnar nerve strains at the elbow: The effect of in situ decompression and medial epicondylectomy
Strains were measured in the ulnar nerve at the elbow in 10 unembalmed, intact cadavers by using a microstrain gauge. In each cadaver, strains in the ulnar nerve behind the medial epicondyle, occurring between 60° and 140° flexion, were calculated for the following 3 conditions: (1) initial strain b...
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| Veröffentlicht in: | The Journal of hand surgery (American ed.) 2002-11, Vol.27 (6), p.1026-1031 |
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| creator | Hicks, David Bruce Toby, E. |
| description | Strains were measured in the ulnar nerve at the elbow in 10 unembalmed, intact cadavers by using a microstrain gauge. In each cadaver, strains in the ulnar nerve behind the medial epicondyle, occurring between 60° and 140° flexion, were calculated for the following 3 conditions: (1) initial strain before in situ decompression, (2) strain after in situ decompression, and (3) strain after in situ decompression plus medial epicondylectomy. The average strain for each group was compared by using the paired Students t-test with multiple comparisons. The average initial percent strain was not significantly reduced by in situ decompression alone (5.3% to 4.3%). However, the average percent strain after medial epicondylectomy and in situ decompression was −0.54%, which was a significant reduction from the initial percent strain and after decompression alone. in situ decompression of the ulnar nerve at the elbow alone does not relieve the tensile strains at the elbow, which may contribute to cubital tunnel syndrome. Medial epicondylectomy after in situ decompression eliminates ulnar nerve strains with elbow flexion. |
| doi_str_mv | 10.1053/jhsu.2002.35870 |
| format | Article |
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In each cadaver, strains in the ulnar nerve behind the medial epicondyle, occurring between 60° and 140° flexion, were calculated for the following 3 conditions: (1) initial strain before in situ decompression, (2) strain after in situ decompression, and (3) strain after in situ decompression plus medial epicondylectomy. The average strain for each group was compared by using the paired Students t-test with multiple comparisons. The average initial percent strain was not significantly reduced by in situ decompression alone (5.3% to 4.3%). However, the average percent strain after medial epicondylectomy and in situ decompression was −0.54%, which was a significant reduction from the initial percent strain and after decompression alone. in situ decompression of the ulnar nerve at the elbow alone does not relieve the tensile strains at the elbow, which may contribute to cubital tunnel syndrome. Medial epicondylectomy after in situ decompression eliminates ulnar nerve strains with elbow flexion.</description><identifier>ISSN: 0363-5023</identifier><identifier>EISSN: 1531-6564</identifier><identifier>DOI: 10.1053/jhsu.2002.35870</identifier><identifier>PMID: 12457353</identifier><identifier>CODEN: JHSUDV</identifier><language>eng</language><publisher>New york, NY: Elsevier Inc</publisher><subject>Biological and medical sciences ; Cadaver ; compression neuropathy ; cubital tunnel syndrome ; Cubital Tunnel Syndrome - physiopathology ; Cubital Tunnel Syndrome - surgery ; Decompression, Surgical ; Elbow - physiopathology ; Elbow - surgery ; Humans ; medial epicondylectomy ; Medical sciences ; Movement - physiology ; neurolysis ; Reference Values ; Stress, Mechanical ; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases ; Technology. Biomaterials. Equipments ; Tensile Strength - physiology ; Transducers ; Ulnar nerve ; Ulnar Nerve - physiology ; Ulnar Nerve - surgery</subject><ispartof>The Journal of hand surgery (American ed.), 2002-11, Vol.27 (6), p.1026-1031</ispartof><rights>2002 American Society for Surgery of the Hand</rights><rights>2003 INIST-CNRS</rights><rights>Copyright Churchill Livingstone Inc., Medical Publishers Nov 2002</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c466t-5adfa246500cb8c913d512c95f42a572abc630026bc8f9879a7a050aa1fee4a33</citedby><cites>FETCH-LOGICAL-c466t-5adfa246500cb8c913d512c95f42a572abc630026bc8f9879a7a050aa1fee4a33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1053/jhsu.2002.35870$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14356102$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12457353$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hicks, David</creatorcontrib><creatorcontrib>Bruce Toby, E.</creatorcontrib><title>Ulnar nerve strains at the elbow: The effect of in situ decompression and medial epicondylectomy</title><title>The Journal of hand surgery (American ed.)</title><addtitle>J Hand Surg Am</addtitle><description>Strains were measured in the ulnar nerve at the elbow in 10 unembalmed, intact cadavers by using a microstrain gauge. In each cadaver, strains in the ulnar nerve behind the medial epicondyle, occurring between 60° and 140° flexion, were calculated for the following 3 conditions: (1) initial strain before in situ decompression, (2) strain after in situ decompression, and (3) strain after in situ decompression plus medial epicondylectomy. The average strain for each group was compared by using the paired Students t-test with multiple comparisons. The average initial percent strain was not significantly reduced by in situ decompression alone (5.3% to 4.3%). However, the average percent strain after medial epicondylectomy and in situ decompression was −0.54%, which was a significant reduction from the initial percent strain and after decompression alone. in situ decompression of the ulnar nerve at the elbow alone does not relieve the tensile strains at the elbow, which may contribute to cubital tunnel syndrome. Medial epicondylectomy after in situ decompression eliminates ulnar nerve strains with elbow flexion.</description><subject>Biological and medical sciences</subject><subject>Cadaver</subject><subject>compression neuropathy</subject><subject>cubital tunnel syndrome</subject><subject>Cubital Tunnel Syndrome - physiopathology</subject><subject>Cubital Tunnel Syndrome - surgery</subject><subject>Decompression, Surgical</subject><subject>Elbow - physiopathology</subject><subject>Elbow - surgery</subject><subject>Humans</subject><subject>medial epicondylectomy</subject><subject>Medical sciences</subject><subject>Movement - physiology</subject><subject>neurolysis</subject><subject>Reference Values</subject><subject>Stress, Mechanical</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><subject>Technology. Biomaterials. Equipments</subject><subject>Tensile Strength - physiology</subject><subject>Transducers</subject><subject>Ulnar nerve</subject><subject>Ulnar Nerve - physiology</subject><subject>Ulnar Nerve - surgery</subject><issn>0363-5023</issn><issn>1531-6564</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kU1r3DAQhkVpaLbbnnsrotDcvNGHJdu9hdCPQKCX5KyM5RHRYktbyU7Yf19tdiFQ6Gnm8MzLzDOEfOJsw5mSl9vHvGwEY2IjVduwN2TFleSVVrp-S1ZMalkpJuQ5eZ_zljHGtVTvyDkXtWqkkivycD8GSDRgekKa5wQ-ZAoznR-R4tjH52_07tA6h3am0VEfaPbzQge0cdolzNnHQCEMdMLBw0hx520Mw34sA3HafyBnDsaMH091Te5_fL-7_lXd_v55c311W9la67lSMDgQtVaM2b61HZeD4sJ2ytUCVCOgt1qWO3VvW9e1TQcNMMUAuEOsQco1uTjm7lL8s2CezeSzxXGEgHHJphGNaFnDCvjlH3AblxTKbkYUp6xum7ZAl0fIpphzQmd2yU-Q9oYzczBvDubNwbx5MV8mPp9il76YeOVPqgvw9QRAtjC6BMH6_MrVUmlefrUm3ZHDYuvJYzLZegy22E1FqRmi_-8SfwHdMp9s</recordid><startdate>20021101</startdate><enddate>20021101</enddate><creator>Hicks, David</creator><creator>Bruce Toby, E.</creator><general>Elsevier Inc</general><general>Elsevier</general><general>Elsevier Science Ltd</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>K9.</scope><scope>7X8</scope></search><sort><creationdate>20021101</creationdate><title>Ulnar nerve strains at the elbow: The effect of in situ decompression and medial epicondylectomy</title><author>Hicks, David ; Bruce Toby, E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c466t-5adfa246500cb8c913d512c95f42a572abc630026bc8f9879a7a050aa1fee4a33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Biological and medical sciences</topic><topic>Cadaver</topic><topic>compression neuropathy</topic><topic>cubital tunnel syndrome</topic><topic>Cubital Tunnel Syndrome - physiopathology</topic><topic>Cubital Tunnel Syndrome - surgery</topic><topic>Decompression, Surgical</topic><topic>Elbow - physiopathology</topic><topic>Elbow - surgery</topic><topic>Humans</topic><topic>medial epicondylectomy</topic><topic>Medical sciences</topic><topic>Movement - physiology</topic><topic>neurolysis</topic><topic>Reference Values</topic><topic>Stress, Mechanical</topic><topic>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</topic><topic>Technology. Biomaterials. Equipments</topic><topic>Tensile Strength - physiology</topic><topic>Transducers</topic><topic>Ulnar nerve</topic><topic>Ulnar Nerve - physiology</topic><topic>Ulnar Nerve - surgery</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hicks, David</creatorcontrib><creatorcontrib>Bruce Toby, E.</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>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>The Journal of hand surgery (American ed.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hicks, David</au><au>Bruce Toby, E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ulnar nerve strains at the elbow: The effect of in situ decompression and medial epicondylectomy</atitle><jtitle>The Journal of hand surgery (American ed.)</jtitle><addtitle>J Hand Surg Am</addtitle><date>2002-11-01</date><risdate>2002</risdate><volume>27</volume><issue>6</issue><spage>1026</spage><epage>1031</epage><pages>1026-1031</pages><issn>0363-5023</issn><eissn>1531-6564</eissn><coden>JHSUDV</coden><abstract>Strains were measured in the ulnar nerve at the elbow in 10 unembalmed, intact cadavers by using a microstrain gauge. In each cadaver, strains in the ulnar nerve behind the medial epicondyle, occurring between 60° and 140° flexion, were calculated for the following 3 conditions: (1) initial strain before in situ decompression, (2) strain after in situ decompression, and (3) strain after in situ decompression plus medial epicondylectomy. The average strain for each group was compared by using the paired Students t-test with multiple comparisons. The average initial percent strain was not significantly reduced by in situ decompression alone (5.3% to 4.3%). However, the average percent strain after medial epicondylectomy and in situ decompression was −0.54%, which was a significant reduction from the initial percent strain and after decompression alone. in situ decompression of the ulnar nerve at the elbow alone does not relieve the tensile strains at the elbow, which may contribute to cubital tunnel syndrome. Medial epicondylectomy after in situ decompression eliminates ulnar nerve strains with elbow flexion.</abstract><cop>New york, NY</cop><pub>Elsevier Inc</pub><pmid>12457353</pmid><doi>10.1053/jhsu.2002.35870</doi><tpages>6</tpages></addata></record> |
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| subjects | Biological and medical sciences Cadaver compression neuropathy cubital tunnel syndrome Cubital Tunnel Syndrome - physiopathology Cubital Tunnel Syndrome - surgery Decompression, Surgical Elbow - physiopathology Elbow - surgery Humans medial epicondylectomy Medical sciences Movement - physiology neurolysis Reference Values Stress, Mechanical Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Technology. Biomaterials. Equipments Tensile Strength - physiology Transducers Ulnar nerve Ulnar Nerve - physiology Ulnar Nerve - surgery |
| title | Ulnar nerve strains at the elbow: The effect of in situ decompression and medial epicondylectomy |
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