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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6
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pubmed:dateCreated |
1994-2-17
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pubmed:abstractText |
The pathogenesis and treatment of rupture of the Achilles tendon remain a source of controversy. This study presents the results of a biomechanical, functional, and morphological evaluation of a group of rats that had division and repair of the Achilles tendon. A total of 46 rats were used: 18 for biomechanical testing, 18 for functional evaluation, and 10 for histology. Morphological examination revealed an early inflammatory response with loose connective tissue formation that was replaced gradually by fibroblasts and a collagenous matrix. The functional evaluation (Achilles functional index [AFI]) was made from measurements of the hind pawprints of walking rats. Division and repair of the Achilles tendon produced a significant functional impairment (mean [+/- SEM] AFI = -87 +/- 8; p < 0.001), which gradually improved with healing time. The load to failure for the repaired tendons consistently improved with healing time, in a manner similar to the functional recovery. The average deformation (repair/control) varied considerably and was not related to healing time. The stiffness of the repaired tendons increased with healing time and was 60% of the corresponding control side by day 15. The major finding of this study was a strong correlation between the AFI and the failure load of the healing tendon-bone constructs (250-300 g group, r = 0.97, p < 0.001; 325-375 g group, r = 0.96, p < 0.001).
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Nov
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pubmed:issn |
0736-0266
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
11
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
897-906
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:8283336-Achilles Tendon,
pubmed-meshheading:8283336-Animals,
pubmed-meshheading:8283336-Biomechanics,
pubmed-meshheading:8283336-Male,
pubmed-meshheading:8283336-Rats,
pubmed-meshheading:8283336-Rats, Sprague-Dawley,
pubmed-meshheading:8283336-Regression Analysis,
pubmed-meshheading:8283336-Time Factors,
pubmed-meshheading:8283336-Wound Healing
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pubmed:year |
1993
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pubmed:articleTitle |
Achilles tendon healing: a correlation between functional and mechanical performance in the rat.
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pubmed:affiliation |
Division of Orthopaedic Surgery, Duke University Medical Center, Durham, NC 27710.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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