Strain-gauge evaluation of lunate unloading procedures
A biomechanical study was undertaken to determine which procedure(s) most effectively relieve load from the lunate. Strain gauges were mounted on the lunates of 20 preserved cadaveric limbs. Three types of procedures were performed: scaphotrapeziotrapezoid arthrodesis, capitohamate arthrodesis, and...
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| Veröffentlicht in: | The Journal of hand surgery (American ed.) 1992-05, Vol.17 (3), p.437-443 |
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| container_end_page | 443 |
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| container_issue | 3 |
| container_start_page | 437 |
| container_title | The Journal of hand surgery (American ed.) |
| container_volume | 17 |
| creator | Masear, Victoria R. Zook, Elvin G. Pichora, David R. Krishnamurthy, Murali Russell, Robert C. Lemons, Jack Bidez, Martha W. |
| description | A biomechanical study was undertaken to determine which procedure(s) most effectively relieve load from the lunate. Strain gauges were mounted on the lunates of 20 preserved cadaveric limbs. Three types of procedures were performed: scaphotrapeziotrapezoid arthrodesis, capitohamate arthrodesis, and ulnar lengthening. Load testing was performed both before and after the simulated fusions and ulnar lengthenings. Ulnar lengthening of 3 mm was the most effective method of lunate strain reduction. Capitohamate arthrodesis decreased compressive strain but increased shear strain. Scaphotrapeziotrapezoid fusion significantly increased both compressive and shear strain in the lunate. Of the three procedures that were tested, ulnar lengthening to create a neutral variance is the most reliable means of unloading the lunate. |
| doi_str_mv | 10.1016/0363-5023(92)90344-O |
| format | Article |
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Strain gauges were mounted on the lunates of 20 preserved cadaveric limbs. Three types of procedures were performed: scaphotrapeziotrapezoid arthrodesis, capitohamate arthrodesis, and ulnar lengthening. Load testing was performed both before and after the simulated fusions and ulnar lengthenings. Ulnar lengthening of 3 mm was the most effective method of lunate strain reduction. Capitohamate arthrodesis decreased compressive strain but increased shear strain. Scaphotrapeziotrapezoid fusion significantly increased both compressive and shear strain in the lunate. 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Graft diseases ; Ulna ; Wrist Joint</subject><ispartof>The Journal of hand surgery (American ed.), 1992-05, Vol.17 (3), p.437-443</ispartof><rights>1992</rights><rights>1992 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-daaa9da9dd4347b91dce349a69b64a1bdf70615a7b1554d37a5cea4b838facd23</citedby><cites>FETCH-LOGICAL-c415t-daaa9da9dd4347b91dce349a69b64a1bdf70615a7b1554d37a5cea4b838facd23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0363-5023(92)90344-O$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=5283714$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1613216$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Masear, Victoria R.</creatorcontrib><creatorcontrib>Zook, Elvin G.</creatorcontrib><creatorcontrib>Pichora, David R.</creatorcontrib><creatorcontrib>Krishnamurthy, Murali</creatorcontrib><creatorcontrib>Russell, Robert C.</creatorcontrib><creatorcontrib>Lemons, Jack</creatorcontrib><creatorcontrib>Bidez, Martha W.</creatorcontrib><title>Strain-gauge evaluation of lunate unloading procedures</title><title>The Journal of hand surgery (American ed.)</title><addtitle>J Hand Surg Am</addtitle><description>A biomechanical study was undertaken to determine which procedure(s) most effectively relieve load from the lunate. Strain gauges were mounted on the lunates of 20 preserved cadaveric limbs. Three types of procedures were performed: scaphotrapeziotrapezoid arthrodesis, capitohamate arthrodesis, and ulnar lengthening. Load testing was performed both before and after the simulated fusions and ulnar lengthenings. Ulnar lengthening of 3 mm was the most effective method of lunate strain reduction. Capitohamate arthrodesis decreased compressive strain but increased shear strain. Scaphotrapeziotrapezoid fusion significantly increased both compressive and shear strain in the lunate. Of the three procedures that were tested, ulnar lengthening to create a neutral variance is the most reliable means of unloading the lunate.</description><subject>Analysis of Variance</subject><subject>Arthrodesis</subject><subject>Biological and medical sciences</subject><subject>Biomechanical Phenomena</subject><subject>Bone Lengthening</subject><subject>Carpal Bones - physiology</subject><subject>Humans</subject><subject>Linear Models</subject><subject>Medical sciences</subject><subject>Orthopedic surgery</subject><subject>Space life sciences</subject><subject>Sprains and Strains - physiopathology</subject><subject>Sprains and Strains - surgery</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><subject>Ulna</subject><subject>Wrist Joint</subject><issn>0363-5023</issn><issn>1531-6564</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1Lw0AQhhdRaq3-A4UcRPQQ3c1-pLkIUvyCQg_qeZnsTspKmtTdpOC_d2tKvQkDc5jnnRkeQs4ZvWWUqTvKFU8lzfh1kd0UlAuRLg7ImEnOUiWVOCTjPXJMTkL4pDTmuByREVOMZ0yNiXrrPLgmXUK_xAQ3UPfQubZJ2iqp-wY6TPqmbsG6ZpmsfWvQ9h7DKTmqoA54tusT8vH0-D57SeeL59fZwzw1gskutQBQ2FhWcJGXBbMGuShAFaUSwEpb5VQxCXnJpBSW5yANgiinfFqBsRmfkKthbzz91WPo9MoFg3UNDbZ90DmnrKC5jKAYQOPbEDxWeu3dCvy3ZlRvdemtC711oYtM_-rSixi72O3vyxXav9DgJ84vd3MIBurKQ2Nc2GMym_KciYjdDxhGFxuHXgfjsImynEfTadu6___4ASpIhoI</recordid><startdate>19920501</startdate><enddate>19920501</enddate><creator>Masear, Victoria R.</creator><creator>Zook, Elvin G.</creator><creator>Pichora, David R.</creator><creator>Krishnamurthy, Murali</creator><creator>Russell, Robert C.</creator><creator>Lemons, Jack</creator><creator>Bidez, Martha W.</creator><general>Elsevier Inc</general><general>Elsevier</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></search><sort><creationdate>19920501</creationdate><title>Strain-gauge evaluation of lunate unloading procedures</title><author>Masear, Victoria R. ; Zook, Elvin G. ; Pichora, David R. ; Krishnamurthy, Murali ; Russell, Robert C. ; Lemons, Jack ; Bidez, Martha W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-daaa9da9dd4347b91dce349a69b64a1bdf70615a7b1554d37a5cea4b838facd23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Analysis of Variance</topic><topic>Arthrodesis</topic><topic>Biological and medical sciences</topic><topic>Biomechanical Phenomena</topic><topic>Bone Lengthening</topic><topic>Carpal Bones - physiology</topic><topic>Humans</topic><topic>Linear Models</topic><topic>Medical sciences</topic><topic>Orthopedic surgery</topic><topic>Space life sciences</topic><topic>Sprains and Strains - physiopathology</topic><topic>Sprains and Strains - surgery</topic><topic>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</topic><topic>Ulna</topic><topic>Wrist Joint</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Masear, Victoria R.</creatorcontrib><creatorcontrib>Zook, Elvin G.</creatorcontrib><creatorcontrib>Pichora, David R.</creatorcontrib><creatorcontrib>Krishnamurthy, Murali</creatorcontrib><creatorcontrib>Russell, Robert C.</creatorcontrib><creatorcontrib>Lemons, Jack</creatorcontrib><creatorcontrib>Bidez, Martha W.</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><jtitle>The Journal of hand surgery (American ed.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Masear, Victoria R.</au><au>Zook, Elvin G.</au><au>Pichora, David R.</au><au>Krishnamurthy, Murali</au><au>Russell, Robert C.</au><au>Lemons, Jack</au><au>Bidez, Martha W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Strain-gauge evaluation of lunate unloading procedures</atitle><jtitle>The Journal of hand surgery (American ed.)</jtitle><addtitle>J Hand Surg Am</addtitle><date>1992-05-01</date><risdate>1992</risdate><volume>17</volume><issue>3</issue><spage>437</spage><epage>443</epage><pages>437-443</pages><issn>0363-5023</issn><eissn>1531-6564</eissn><coden>JHSUDV</coden><abstract>A biomechanical study was undertaken to determine which procedure(s) most effectively relieve load from the lunate. 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| ispartof | The Journal of hand surgery (American ed.), 1992-05, Vol.17 (3), p.437-443 |
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| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Analysis of Variance Arthrodesis Biological and medical sciences Biomechanical Phenomena Bone Lengthening Carpal Bones - physiology Humans Linear Models Medical sciences Orthopedic surgery Space life sciences Sprains and Strains - physiopathology Sprains and Strains - surgery Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Ulna Wrist Joint |
| title | Strain-gauge evaluation of lunate unloading procedures |
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