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Polarity of action on transcutaneous electrical stimulation for the treatment of donor sites for autogenous grafts in burn patients: blind randomized clinical trial

Grant number: 16/04800-0
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): September 01, 2016
Effective date (End): August 31, 2017
Field of knowledge:Health Sciences - Physiotherapy and Occupational Therapy
Principal Investigator:Elaine Caldeira de Oliveira Guirro
Grantee:Camila Silva de Carvalho
Host Institution: Faculdade de Medicina de Ribeirão Preto (FMRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil


Burns represent a serious public health problem due to high hospitalization costs and prolonged hospital stay. There is evidence that electrical stimulation can stimulate wound healing. The objective of this study is to evaluate the effect of the polarity of the current in healing. Both will be compared to the effects of electrical stimulation of high voltage (HVES) and neuromuscular transcutaneous electrical stimulation (TENS) in the treatment of donor sites (DA) of burn patients. It is a prospective, controlled clinical, randomized, blinded. Will be assessed 60 subjects aged 18-59 years, of both sexes, underwent the surgical procedure of grafting (PCE) were randomly divided into small blocks 5:5:5 three groups: undergoing therapeutic procedure with HVES undergoing therapeutic procedure with TENS and control. Therapeutic procedures will be applied around the DA, thigh or scalp, after 24 hours of PCE until complete healing. The variables will be the healing time estimated by the removal of the dressing rayon, clinical evaluation, scar quality, the Vancouver scale; pain, the pain numerical scale evaluation (PNS); blood perfusion by thermography; quality of healing by digital imaging, quantification of areas of crusts by the software Image J; skin biomechanical aspects as firmness, the durometer being performed reassessment at the end of treatment. Data will be submitted to analysis of normality by the Shapiro-Wilk test and the effect of behavior among groups and pre- and post-intervention will be evaluated by ANOVA-two way followed by post-hoc (Bonferroni) or Friedman, with p <0.05. Comparing groups, before a normal distribution is applied ANOVA followed by Tukey, and otherwise will be applied the Kruskal-Wallis test and post-hoc Dunn, p<0.05. (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)
ADRIANA DA COSTA GONÇALVES; RINALDO ROBERTO DE JESUS GUIRRO; LIDIA APARECIDA ROSSI; JAYME ADRIANO FARINA JUNIOR; CAMILA SILVA DE CARVALHO; ANA PAULA FERRO; ELAINE CALDEIRA DE OLIVEIRA GUIRRO. Effects of therapeutic ultrasound and paraffin with or without vacuum massage on biomechanical properties of grafted skin after burn: a randomized controlled trial. Revista da Associação Médica Brasileira, . (10/10006-8, 16/04800-0)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
CARVALHO, Camila Silva de. Effect of polarity on transcutaneous electrical stimulation for the treatment of autogenous graft donor sites in burn patients: randomized blinded clinical study. 2017. Master's Dissertation - Universidade de São Paulo (USP). Faculdade de Medicina de Ribeirão Preto (PCARP/BC) Ribeirão Preto.

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