Effects of High-Voltage Electrical Stimulation in Improving the Viability of Musculocutaneous Flaps in Rats

Autor(es)

Siqueira das Neves, Lais Mara ; de Oliveira Guirro, Elaine Caldeira ; de Almeida Albuquerque, Fernanda Luiza ; Marcolino, Alexandre Marcio

• Tipo de documento: Artigo Científico
• Fonte: ANNALS OF PLASTIC SURGERY; v. 77, n. 4, p. e50-e54, OCT 2016.
• Citações Web of Science: 1

Resumo

Background The musculocutaneous flap of the transverse rectus abdominis muscle is a technique used for breast reconstruction, and one of the complications of this procedure is tissue necrosis. The objective of the study is to determine the effect of high-voltage electrical stimulation (HVES) in the transverse rectus abdominis muscle flap in rats. Methods Fourteen rats underwent surgery for obtaining the flap. The rats were distributed into 2 homogeneous groups: group 1 underwent both surgery and the use of HVES, whereas group 2 underwent just the surgery (control). Electrical stimulation was applied immediately after surgery and for 2 consecutive days. The percentage of necrotic area was analyzed using the Image J software, and blood flow was assessed by infrared thermography in different regions of the flap, divided into 4 zones according to the proximity of the pedicle of the inferior epigastric artery. Results The results were analyzed using a Student t test, where group 1 experienced a necrotic area of 26.2%, and group 2 had an area of 54.5%. Regarding the temperature, the 2 groups showed increase in the minimum and maximum temperature on the fourth postoperative day. Conclusion The HVES appeared to have a positive influence on the viability of the flap. (AU)

• Processo FAPESP: 13/07732-7 - Laser de baixa intensidade e estimulação elétrica de alta voltagem na viabilidade do retalho musculafasciocutâneo transverso do músculo reto do abdome em ratos submetidos a ação da nicotina
• Beneficiário: Elaine Caldeira de Oliveira Guirro
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 13/07602-6 - Laser de baixa intensidade e estimulaçao elétrica de alta voltagem na viabilidade do retalho musculofasciocutâneo transverso do músc em ratos submetidos a ação da nicotina.
• Beneficiário: Lais Mara Siqueira das Neves
• Modalidade de apoio: Bolsas no Brasil - Doutorado