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Lasers in Medical Science
Erschienen in: Lasers in Medical Science 4/2009

01.07.2009 | Brief Report

The effects of low-level light emitting diode on the repair process of Achilles tendon therapy in rats

verfasst von: Heliodora L. Casalechi, Renata A. Nicolau, Vitor L. Casalechi, Landulfo Silveira Jr., Alfredo M. B. De Paula, Marcos T. T. Pacheco

Erschienen in: Lasers in Medical Science | Ausgabe 4/2009

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Abstract

Thirty Wistar rats (350 ± 20 g) were subjected to total Achilles tendon tenotomy of the right fore limb. They were submitted to a daily dose of 20 J/cm2 light emitting diode (LED) (640 ± 20 nm) therapy. The LED was applied punctually and transcutaneously to the lesioned region. The animals were separated into six groups, C1 and L1, C2 and L2, C3 and L3. The C groups were used for control and the L groups, treated for 7, 14 and 21 consecutive days, respectively. The animals were killed on the 7th, 14th and 21st days after surgery. After the animals had been killed, their tendons were extracted and dissected, fixed in formaldehyde at 10%, and sent for histological analysis by light microscopy in which the repair process was analysed. This study demonstrated that LED interfered in the repair process of the tendon tissue, reducing the number of fibroblasts in the initial periods and improving the quality of the repair in all periods studied.
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Metadaten
Titel
The effects of low-level light emitting diode on the repair process of Achilles tendon therapy in rats
verfasst von
Heliodora L. Casalechi
Renata A. Nicolau
Vitor L. Casalechi
Landulfo Silveira Jr.
Alfredo M. B. De Paula
Marcos T. T. Pacheco
Publikationsdatum
01.07.2009
Verlag
Springer-Verlag
Erschienen in
Lasers in Medical Science / Ausgabe 4/2009
Print ISSN: 0268-8921
Elektronische ISSN: 1435-604X
DOI
https://doi.org/10.1007/s10103-008-0607-6

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