Lícia Santos Santana|Rubneide Barreto Silva Gallo|Cristine Homsi Jorge Ferreira|Geraldo Duarte|Silvana Maria Quintana|Alessandra Cristina Marcolin
Transcutaneous electrical nerve stimulation (TENS) reduces pain and postpones the need for pharmacological analgesia during labour: a randomised trial
Universidade de São Paulo
active phase first stage labour transcutaneous electrical nerve stimulation tens relieve pain change location tens delay request neuraxial analgesia labour tens produce harmful effects mother foetus women labour satisfied care providedrandomised trial concealed allocation assessor blinding outcomes intentiontotreat analysisfortysix lowrisk primigravida parturients gestational age 37 weeks cervical dilation 4cm without use medications hospital admission randomisationthe principal investigator applied tens experimental group 30minutes starting beginning active phase labour second investigator assessed outcomes control experimental groups groups received routine perinatal carethe primary outcome pain severity intervention period assessed using 100mm visual analogue scale secondary outcomes included pain location duration active phase labour time pharmacological labour analgesia mode birth neonatal outcomes participants satisfaction care providedafter intervention significant mean difference change pain 15mm observed favouring experimental group 95 ci 2 27 application tens alter location distribution pain mean time pharmacological analgesia intervention 50hours 95 ci 41 59 longer experimental group intervention significantly impact maternal neonatal outcomes participants groups satisfied care provided labourtens produces significant decrease pain labour postpones need pharmacological analgesia pain reliefnct01600495