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Doppler velocimetry in fetal rats exposed to enoxaparin and unfractionated heparin (UFH) during pregnancy
Senefonte, Flavio Renato de Almeida; Aydos, Ricardo Dutra; Oliveira, Vanessa Marcon de; Bósio, Marco Antonio Costa; Figueiró-Filho, Ernesto Antonio.
Afiliação
  • Senefonte, Flavio Renato de Almeida; Universidade Federal de Mato Grosso do Sul. Postgraduate Program in Health and Development. Campo Grande. BR
  • Aydos, Ricardo Dutra; Universidade Federal de Mato Grosso do Sul. Postgraduate Program in Health and Development. Campo Grande. BR
  • Oliveira, Vanessa Marcon de; Universidade Federal de Mato Grosso do Sul. Postgraduate Program in Health and Development. Campo Grande. BR
  • Bósio, Marco Antonio Costa; Universidade Federal de Mato Grosso do Sul. Postgraduate Program in Health and Development. Campo Grande. BR
  • Figueiró-Filho, Ernesto Antonio; Universidade Federal de Mato Grosso do Sul. Postgraduate Program in Health and Development. Campo Grande. BR
Acta cir. bras ; 32(5): 325-333, May 2017. tab, graf
Article em En | LILACS | ID: biblio-837713
Biblioteca responsável: BR1.1
ABSTRACT
Abstract

Purpose:

To evaluate the effects of enoxaparin and unfractionated heparin (UFH) administered in prophylactic and therapeutic doses on fetal vessels in healthy pregnant Wistar rats, according to Doppler velocimetry measurements.

Methods:

Fifty animals were assigned to one of five groups controls (saline), prophylactic and therapeutic enoxaparin (1 and 2 mg/kg/day, respectively), and prophylactic and therapeutic UFH (72 and 400 UI/kg/day, respectively). Uterine horns were examined by ultrasound for identification of live fetuses. A sample of these fetuses underwent Doppler velocimetry. Spectral curves, peak systolic velocity (PSV), pulsatility index (PI), and resistance index (RI) of the middle cerebral artery, ductus venosus, and umbilical artery were investigated. Differences were considered statistically significant when p<0.05.

Results:

No significant differences in PSV, PI, or RI values were observed among the groups.

Conclusion:

Doppler velocimetry measurements revealed no significant effects of enoxaparin or unfractionated heparin on fetal vessels in pregnant Wistar rats.
Assuntos
Palavras-chave

Texto completo: 1 Coleções: 01-internacional Base de dados: LILACS Assunto principal: Velocidade do Fluxo Sanguíneo / Heparina / Enoxaparina / Artéria Cerebral Média / Feto / Anticoagulantes Tipo de estudo: Diagnostic_studies Limite: Animals Idioma: En Revista: Acta cir. bras Assunto da revista: CIRURGIA GERAL / Procedimentos Cir£rgicos Operat¢rios Ano de publicação: 2017 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil

Texto completo: 1 Coleções: 01-internacional Base de dados: LILACS Assunto principal: Velocidade do Fluxo Sanguíneo / Heparina / Enoxaparina / Artéria Cerebral Média / Feto / Anticoagulantes Tipo de estudo: Diagnostic_studies Limite: Animals Idioma: En Revista: Acta cir. bras Assunto da revista: CIRURGIA GERAL / Procedimentos Cir£rgicos Operat¢rios Ano de publicação: 2017 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil