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Acute effects of application of low-level laser therapy in reto femoralis in functional capacity and serum lactate in patients with heart failure

Grant number: 13/22224-8
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): December 01, 2013
Effective date (End): November 30, 2014
Field of knowledge:Health Sciences - Physiotherapy and Occupational Therapy
Principal Investigator:Solange Guizilini
Grantee:Rodrigo Santin Ramos
Host Institution: Instituto de Saúde e Sociedade (ISS). Universidade Federal de São Paulo (UNIFESP). Campus Baixada Santista. Santos , SP, Brazil


Changes resulting from heart failure affect the immune system and inflammation, resulting in fatigue and dyspnea, limiting factors to the effort. Another change also important is in the structure of skeletal muscle, where there is an exchange standard for obtaining energy from oxidative to glycolytic, reducing resistance to physical stress. This randomized controlled trial aims to evaluate the acute effects of the application of low intensity laser therapy in rectus femoris, functional capacity and blood lactate in patients with systolic heart failure during hospitalization. Will be assessed 30 patients diagnosed with heart failure (ejection fraction of the left ventricle < 50 %) randomized between two groups: placebo laser and laser group active in rectus femoris, pretest 6-minute walk (6MW). Are analyzed functional capacity (through distance in 6MWT) and blood lactate levels. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BUBLITZ, CAROLINE; MUNIZ RENNO, ANA CLAUDIA; RAMOS, RODRIGO SANTIN; ASSIS, LIVIA; CYRILLO SELLERA, CARLOS ALBERTO; TRIMER, RENATA; BORGHI-SILVA, AUDREY; ARENA, ROSS; GUIZILINI, SOLANGE. Acute effects of low-level laser therapy irradiation on blood lactate and muscle fatigue perception in hospitalized patients with heart failure-a pilot study. Lasers in Medical Science, v. 31, n. 6, p. 1203-1209, . (13/15507-3, 13/22224-8)

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