The Influence of Tendon Length and Fit on the Strength of a Tendon-Bone Tunnel Complex
Using a dog model, we examined the influence of tendon length and fit within a bone tunnel on the pull-out strength of a tendon-bone tunnel complex at 6 weeks after fixation. Fourteen adult mongrel dogs (weight, 25 to 30 kg) underwent bilateral hindlimb surgery in which the extensor digitorum longus...
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| Veröffentlicht in: | The American journal of sports medicine 2001-07, Vol.29 (4), p.493-493 |
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| container_title | The American journal of sports medicine |
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| creator | Greis, Patrick E Burks, Robert T Bachus, Kent Luker, Mark G |
| description | Using a dog model, we examined the influence of tendon length and fit within a bone tunnel on the pull-out strength of a tendon-bone
tunnel complex at 6 weeks after fixation. Fourteen adult mongrel dogs (weight, 25 to 30 kg) underwent bilateral hindlimb surgery
in which the extensor digitorum longus tendon was transplanted into an extraarticular metaphyseal bone tunnel. Our findings
demonstrated that pull-out strength at 6 weeks was enhanced by increasing the length of tendon within the tunnel. The average
load to failure with 1 cm of tendon within the tunnel was 153.7 ± 78.6 N, compared with 265.5 ± 93.3 N for the specimens with
2 cm of tendon in the tunnel. Tendon fit within the tunnel was also found to be important. The average load to failure when
a tendon was placed in a 4.2-mm diameter tunnel was 301 ± 61 N at 6 weeks. The average load to failure when the tendon was
placed within a 6-mm diameter tunnel was 228 ± 65 N. These differences were statistically different. Histologically, the interface
between the tendon and bone appeared to be most mature when there was intimate bone-to-tendon contact. These data suggest
that maximizing tendon length within a bone tunnel and minimizing tendon-tunnel diameter mismatch will maximize the strength
of a tendon-bone tunnel complex at 6 weeks. |
| format | Article |
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tunnel complex at 6 weeks after fixation. Fourteen adult mongrel dogs (weight, 25 to 30 kg) underwent bilateral hindlimb surgery
in which the extensor digitorum longus tendon was transplanted into an extraarticular metaphyseal bone tunnel. Our findings
demonstrated that pull-out strength at 6 weeks was enhanced by increasing the length of tendon within the tunnel. The average
load to failure with 1 cm of tendon within the tunnel was 153.7 ± 78.6 N, compared with 265.5 ± 93.3 N for the specimens with
2 cm of tendon in the tunnel. Tendon fit within the tunnel was also found to be important. The average load to failure when
a tendon was placed in a 4.2-mm diameter tunnel was 301 ± 61 N at 6 weeks. The average load to failure when the tendon was
placed within a 6-mm diameter tunnel was 228 ± 65 N. These differences were statistically different. Histologically, the interface
between the tendon and bone appeared to be most mature when there was intimate bone-to-tendon contact. These data suggest
that maximizing tendon length within a bone tunnel and minimizing tendon-tunnel diameter mismatch will maximize the strength
of a tendon-bone tunnel complex at 6 weeks.</description><identifier>ISSN: 0363-5465</identifier><identifier>EISSN: 1552-3365</identifier><identifier>PMID: 11476392</identifier><language>eng</language><publisher>American Orthopaedic Society for Sports Medicine</publisher><subject>Sports injuries ; Tendon injuries ; Wound healing</subject><ispartof>The American journal of sports medicine, 2001-07, Vol.29 (4), p.493-493</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>Greis, Patrick E</creatorcontrib><creatorcontrib>Burks, Robert T</creatorcontrib><creatorcontrib>Bachus, Kent</creatorcontrib><creatorcontrib>Luker, Mark G</creatorcontrib><title>The Influence of Tendon Length and Fit on the Strength of a Tendon-Bone Tunnel Complex</title><title>The American journal of sports medicine</title><addtitle>American Journal of Sports Medicine</addtitle><description>Using a dog model, we examined the influence of tendon length and fit within a bone tunnel on the pull-out strength of a tendon-bone
tunnel complex at 6 weeks after fixation. Fourteen adult mongrel dogs (weight, 25 to 30 kg) underwent bilateral hindlimb surgery
in which the extensor digitorum longus tendon was transplanted into an extraarticular metaphyseal bone tunnel. Our findings
demonstrated that pull-out strength at 6 weeks was enhanced by increasing the length of tendon within the tunnel. The average
load to failure with 1 cm of tendon within the tunnel was 153.7 ± 78.6 N, compared with 265.5 ± 93.3 N for the specimens with
2 cm of tendon in the tunnel. Tendon fit within the tunnel was also found to be important. The average load to failure when
a tendon was placed in a 4.2-mm diameter tunnel was 301 ± 61 N at 6 weeks. The average load to failure when the tendon was
placed within a 6-mm diameter tunnel was 228 ± 65 N. These differences were statistically different. Histologically, the interface
between the tendon and bone appeared to be most mature when there was intimate bone-to-tendon contact. These data suggest
that maximizing tendon length within a bone tunnel and minimizing tendon-tunnel diameter mismatch will maximize the strength
of a tendon-bone tunnel complex at 6 weeks.</description><subject>Sports injuries</subject><subject>Tendon injuries</subject><subject>Wound healing</subject><issn>0363-5465</issn><issn>1552-3365</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNotzcFLwzAYBfAgipvT_yEXbxbSJP3SHGdxblDYweI1JO2XtiNLx9rh_nwL2-nB48d7D2SZZhlPhIDskSyZAJFkErIFeRnHA2MsVZA_k0WaSgVC8yX5rTqku-jDBWONdPC0wtgMkZYY26mjNjZ00090bqZZ_kznWz9De6fJ5xCRVpcYMdBiOJ4CXl_Jk7dhxLd7rki1-aqKbVLuv3fFukxaUCJBpx3znDspbKZsDbVCpZwChgqkRqdYarlj4LT0HrxAB6lteMN8ox3UYkU-brOtDWj6WA9xwutUDyFgi2a-KvZmrRSTec7ymb_feNe33V9_RjMebQinixPGHkaujTRSC_EPmM1ezA</recordid><startdate>20010701</startdate><enddate>20010701</enddate><creator>Greis, Patrick E</creator><creator>Burks, Robert T</creator><creator>Bachus, Kent</creator><creator>Luker, Mark G</creator><general>American Orthopaedic Society for Sports Medicine</general><general>Sage Publications, Inc</general><scope/></search><sort><creationdate>20010701</creationdate><title>The Influence of Tendon Length and Fit on the Strength of a Tendon-Bone Tunnel Complex</title><author>Greis, Patrick E ; Burks, Robert T ; Bachus, Kent ; Luker, Mark G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g673-eb9b0f22b43a57ac6c7e77b760e7649eb701a2b06b94ff6f3eb61ad2d0fd9b6c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Sports injuries</topic><topic>Tendon injuries</topic><topic>Wound healing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Greis, Patrick E</creatorcontrib><creatorcontrib>Burks, Robert T</creatorcontrib><creatorcontrib>Bachus, Kent</creatorcontrib><creatorcontrib>Luker, Mark G</creatorcontrib><jtitle>The American journal of sports medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Greis, Patrick E</au><au>Burks, Robert T</au><au>Bachus, Kent</au><au>Luker, Mark G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Influence of Tendon Length and Fit on the Strength of a Tendon-Bone Tunnel Complex</atitle><jtitle>The American journal of sports medicine</jtitle><addtitle>American Journal of Sports Medicine</addtitle><date>2001-07-01</date><risdate>2001</risdate><volume>29</volume><issue>4</issue><spage>493</spage><epage>493</epage><pages>493-493</pages><issn>0363-5465</issn><eissn>1552-3365</eissn><abstract>Using a dog model, we examined the influence of tendon length and fit within a bone tunnel on the pull-out strength of a tendon-bone
tunnel complex at 6 weeks after fixation. Fourteen adult mongrel dogs (weight, 25 to 30 kg) underwent bilateral hindlimb surgery
in which the extensor digitorum longus tendon was transplanted into an extraarticular metaphyseal bone tunnel. Our findings
demonstrated that pull-out strength at 6 weeks was enhanced by increasing the length of tendon within the tunnel. The average
load to failure with 1 cm of tendon within the tunnel was 153.7 ± 78.6 N, compared with 265.5 ± 93.3 N for the specimens with
2 cm of tendon in the tunnel. Tendon fit within the tunnel was also found to be important. The average load to failure when
a tendon was placed in a 4.2-mm diameter tunnel was 301 ± 61 N at 6 weeks. The average load to failure when the tendon was
placed within a 6-mm diameter tunnel was 228 ± 65 N. These differences were statistically different. Histologically, the interface
between the tendon and bone appeared to be most mature when there was intimate bone-to-tendon contact. These data suggest
that maximizing tendon length within a bone tunnel and minimizing tendon-tunnel diameter mismatch will maximize the strength
of a tendon-bone tunnel complex at 6 weeks.</abstract><pub>American Orthopaedic Society for Sports Medicine</pub><pmid>11476392</pmid><tpages>1</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0363-5465 |
| ispartof | The American journal of sports medicine, 2001-07, Vol.29 (4), p.493-493 |
| issn | 0363-5465 1552-3365 |
| language | eng |
| recordid | cdi_gale_incontextcollege_GICCO_A77048808 |
| source | SAGE Complete A-Z List; Alma/SFX Local Collection |
| subjects | Sports injuries Tendon injuries Wound healing |
| title | The Influence of Tendon Length and Fit on the Strength of a Tendon-Bone Tunnel Complex |
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