Transcutaneous Electrical Nerve Stimulation and Placental Vascularization in Cases of Uterine Blood Flow Restriction

被引:4
作者
de Oliveira Guimaraes, Camila Souze [1 ]
Santos Tavares, Fabiola Cristina [1 ]
Santos, Marilia Neves [1 ]
Guimaraes, Gregorio Correa [2 ]
Pacheco Olegario, Janainna Grazielle [1 ]
Rocha, Laura Penna [1 ]
Reis, Luiz Carlos [3 ]
dos Reis, Marlene Antonia [1 ]
da Cunha Castro, Eumenia Costa [4 ]
Miranda Correa, Rosana Rosa [1 ]
机构
[1] Triangulo Mineiro Fed Univ, Dept Biol Sci, Discipline Gen Pathol, Uberaba, Brazil
[2] Lavras Fed Univ, Dept Vet Med, Lavras, Brazil
[3] Triangulo Mineiro Fed Univ, Dept Biol Sci, Discipline Physiol, Uberaba, Brazil
[4] Univ Pittsburgh, Dept Pathol, Pittsburgh, PA USA
关键词
pregnancy; transcutaneous electrical nerve stimulation (TENS); placental insufficiency; blood vessels; intrauterine growth restriction; SKIN TEMPERATURE; SYMPATHETIC TONE; MICROCIRCULATION;
D O I
10.3109/15513815.2012.671648
中图分类号
R36 [病理学];
学科分类号
100104 ;
摘要
Studies report transcutaneous electrical nerve stimulation (TENS) as a treatment for placental insufficiency. To induce utero-placental insufficiency in rats, the uterine artery was ligated. Transcutaneous electrical nerve stimulation was applied with a frequency of 80 Hz, pulse duration of 200 mu s, and low intensity. Placental blood vessels were analyzed after immunohistochemistry. The number, caliber and area occupied by placental vessels, fetal weight and length, and placental volume were lower in cases stimulated by TENS. The interaction between ligation and stimulation by TENS was associated with reduction of all these measurements, suggesting that TENS use during pregnancy may have harmful effects on intra-uterine development.
引用
收藏
页码:88 / 96
页数:9
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