Evaluation of the Effect of Transcutaneous Electrical Nerve Stimulation During Delivery

Study Results

Results pending

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Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

112 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-03-20

Study Completion Date

2021-06-01

Brief Summary

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Pain and anxiety levels experienced during labour are important factors affecting mother and baby health. An indicator that affects these factors is the levels of hormones that special for birth in the mother's blood. The application of transcutaneous electrical nerve stimulation is a nonpharmacological method that midwives can apply and determining the effect on these factors will be a guide for the future applications.

The research will be conducted between 20 March 2020 and 10 March 2021 at the Adana Seyhan State Hospital of the Ministry of Health of the Republic of Turkiye. The universe will be formed by the all pregnant women who are accepted to give birth to the birth room of the named hospital. The number of normal births in the relevant hospital in 2019 is 5979 per year. Power analysis was done with Gpower 3.1 for the number of samples. Báez-Suárez et al. Based on his study, the standard deviation of the pain scale was found as 1.48 and it was determined that at least 25 pregnant women per group with %5 error and %90 strength would be sufficient. It was planned to conduct a study with 28 pregnant women per group, with an increase in the sample size by %10, with the prospect of possible employment. One hundred and twelve pregnant women selected among pregnant women will be divided into 4 groups using a simple randomisation method and a random sequence will be created. Active transcuteneous electrical nerve stimulation at different doses will be applied to the two groups and the third group will be set as a placebo group. In the active phases of labour, active trancutaneous electrical nerve stimulation, which is adjusted to the first group of the pregnant women with a cervical aperture of at least 4 cm, modified biphasic asymmetric pulseand it was set to a pulse width of 100 μs and a frequency of 100 Hz (1). In the active transcutaneous electrical nerve stimulation second group, it emitted an asyymetric, balanced, biphasic square waveform at a mixed stimulating frequency that randomly varied between 80 and 100 Hz, and it had a pulse duration of 350 μs (2) will be applied for 30 minutes. Transcutaneous electrical nerve stimulation electrodes will be connected to the placebo group and 30 minutes will be waited without electric application. Transcutaneous electrical nerve stimulation electrodes will be connected to the control group and 30 minutes will be waited without electric application. Transcutaneous electrical nerve stimulation will be connected to the spinal cord in parallel with the levels of T10-L1 and S2-4 with two adhesive electrodes. Before and after transcutaneous electrical nerve stimulation application to pregnant women, hormon levels, visual analogue scale (VAS), pain assessment, state worry scale for anxiety assessment will be performed. Statistical Package for the Social Sciences 20.0 program will be used in the analysis of the data.

Birth pain is one of the most common types of pain. Various studies have been conducted on whether or not birth pain can be effectively reduced with transcutaneous electrical nerve stimulation application. However, no study evaluating the effect of transcutaneous electrical nerve stimulation application at different frequencies during delivery as a placebo controlled and double blind experimental study in terms of perception of birth pain, anxiety, hormon levels such as endrophin, oxytocin and cortisol was not found. Therefore, this study will be conducted as a randomised controlled experimental study to evaluate the effect of transcutaneous electrical nerve stimulation on birth pain, endorphine level, anxiety and satisfaction during delivery.

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Detailed Description

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Conditions

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Anxiety, Hormone, Labour, Pain, Midwife, Pregnant, Transcutaneous Electrical Nerve Stimulation

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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