Photobiomodulation and amniotic membrane for treat tendon injury in rats

Autor: MARIANA C. NICODEMO, EMILIA ANGELA L.S. ARISAWA, LUCIANA B. SANT’ANNA, RODRIGO LOPES-MARTINS
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Anais da Academia Brasileira de Ciências, Vol 96, Iss suppl 1 (2024)
Druh dokumentu: article
ISSN: 1678-2690
0001-3765
DOI: 10.1590/0001-3765202420231139
Popis: Abstract Tendons, complex fibrous structures, are subjected to great tensions, which can give rise to the so-called tendinopathies. This study aimed to evaluate photobiomodulation and human Amniotic Membrane applied as single or combined therapies to treat induced Achilles tendon lesions. Seventy-five rats were divided into five groups (n=15): C- control Sham surgery; I- tendon injury; LA- tendon injury treated with photobiomodulation; AM- tendon injury treated with Amniotic Membrane; LAM- tendon injury + photobiomodulation and Amniotic Membrane, subdivided into three groups (n=5) with analysis at 3, 7, and 14 days. The tendon injuries were made with a 20 g weight released from a mini guillotine onto the ankle in dorsiflexion. AM and LAM groups received an Amniotic Membrane fragment while LA and LAM groups received transcutaneous photobiomodulation, using a 660 nm wavelength laser. The inflammatory cells showed statistical differences between groups C and I (p
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