Role of low-level laser therapy on the cardiac remodeling after myocardial infarction: A systematic review of experimental studies
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Data
2016
Autores
Carlos, Fernando Pereira
Gradinetti, Vanessa
Manchini, Martha
Camillo de Carvalho, Paulo de Tarso
Silva, Jose Antonio, Jr.
Costa Girardi, Adriana Castello
Pinto Leal-Junior, Ernesto Cesar
Bocalini, Danilo Sales
Vieira, Stella [UNIFESP]
Antonio, Ednei Luiz [UNIFESP]
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Aims: We systematically reviewed the role of low-level laser therapy (LLLT) in cardiac remodeling after myocardial infarction. Main methods: Literatures were systematically searched in several electronic databases. We included only studies with a well-standardized coronary occlusion model in vivo LLLT application. Key findings: After screening, 14 studies were eligible for review. The study heterogeneity was described in terms of rationality, gender, irradiation parameters, treatment numbers and moment of LLLT application. Three studies showed a null role of LLLT on infarct size, and only one study found positive LLLT effects on the cardiac performance. The cardioprotective role of LLLT was mediated by anti-inflammatory, pro-angiogenic and anti-oxidant actions. Significance: The reduction in infarct size is a major finding. The LLLT cardioprotection may be mediated by several molecular and cellular mechanisms. Although these results are exciting, there are many limitations that must be resolved before LLLT clinical trials. (C) 2016 Elsevier Inc. All rights reserved.
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Life Sciences. Oxford, v. 151, p. 109-114, 2016.