Biochemistry and biomechanics of healing tendon: Part I. effects of rigid plaster casts and functional casts
Deutscher übersetzter Titel: | Biochemische und biomechanische Aspekte der Heilung von Sehnen: Teil I. Auswirkungen von starren Gipsverbaenden und von funktionellen Stuetzschalen |
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Autor: | Stehno-Bittel, L.; Reddy, G.K.; Gum, S.; Enwemeka, C.S. |
Erschienen in: | Medicine and science in sports and exercise |
Veröffentlicht: | 30 (1998), 6, S. 788-793, Lit. |
Format: | Literatur (SPOLIT) |
Publikationstyp: | Zeitschriftenartikel |
Medienart: | Gedruckte Ressource |
Sprache: | Englisch |
ISSN: | 0195-9131, 1530-0315 |
Schlagworte: | |
Online Zugang: | |
Erfassungsnummer: | PU199807303102 |
Quelle: | BISp |
Abstract
Purpose: Traditional treatment of surgically repaired Achilles tendons includes complete immobilization of the joint in rigid casts for 6 to 8 wk. We tested the use of functional polyurethane casts as an alternative to rigid plaster casts after experimental tenotomy and repair of the rabbit Achilles tendon. Methods: After repair the limbs of 15 experimental rabbits were immobilized in a functional polyurethane cast for 15 d, while those of 14 controls were immobilized in traditional rigid plaster casts for the same period. Results: Functional casting resulted in a 60% increase in total collagen in the neotendon compared with that in rigid casting (P<0.05). Mature collagen cross-links declined 8% in the tendons with functional casts. The biomechanical parameters of the tendons changed with functional casting, showing a 20% increase in maximum load and 21% increase in maximum stress. Conclusions: These changes were noted without any cases of tendon re-rupture in either type of cast. Thus, functional casting following surgery of Achilles tendons appears to improve healing without significant risks of re-rupture. Verf.-Referat