Transcutaneous electrical nerve stimulation on acupoints relieves labor pain: A non-randomized controlled study.
Summary of "Transcutaneous electrical nerve stimulation on acupoints relieves labor pain: A non-randomized controlled study."
OBJECTIVE:
To investigate the efficacy of transcutaneous electrical nerve stimulation (TENS) on four specific acupuncture points Hegu (LI4), Neiguan (PC6), Danshu (BL19) and Weishu (BL21) for reducing pain in labor.
METHODS:
A total of 160 voluntary nulliparous women who were willing to receive TENS for analgesia were assigned to the treatment group after cervical dilation of more than 2 cm. Another 145 matched nullipara were recruited as the control group. Visual analogue scale (VAS) was used to assess the pain before and 0.5 h after the application of TENS. Then, VAS was assessed every one hour until delivery. Percentage of VAS score decreased by > 25% was the primary outcome, the delivery mode and neonatal outcome were measured as secondary outcomes. Adverse reactions were also recorded during TENS.
RESULTS:
The percentage of VAS score decreased by > 25% was 68.6% in the TENS treatment group. Maternal delivery mode and neonatal outcomes were not significantly different between the two groups. In addition, the incidence of postpartum hemorrhage in the TENS treatment group was less than the control group (P<0.05). There was no adverse reaction recorded with TENS on acupoints.
CONCLUSION:
As a novel and non-invasive approach, TENS on specific acupoints including Hegu (LI4), Neiguan (PC6), Danshu (BL19) and Weishu (BL21) was an effective method for analgesia in labor.
Affiliation
Obstetrics and Gynecology Hospital of Fudan University, Shanghai, 200011, China.
Journal Details
This article was published in the following journal.
Name: Chinese journal of integrative medicine
ISSN: 1672-0415
Pages: 234-8
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/20694778
- DOI: http://dx.doi.org/10.1007/s11655-010-0234-9
Medical and Biotech [MESH] Definitions
Transcutaneous Electric Nerve Stimulation
The use of specifically placed small electrodes to deliver electrical impulses across the SKIN to relieve PAIN. It is used less frequently to produce ANESTHESIA.
Evoked Potentials, Motor
The electrical response evoked in a muscle or motor nerve by electrical or magnetic stimulation. Common methods of stimulation are by transcranial electrical and TRANSCRANIAL MAGNETIC STIMULATION. It is often used for monitoring during neurosurgery.
Labor Pain
Pain associated with OBSTETRIC LABOR in CHILDBIRTH. It is caused primarily by UTERINE CONTRACTION as well as pressure on the CERVIX; BLADDER; and the GASTROINTESTINAL TRACT. Labor pain mostly occurs in the ABDOMEN; the GROIN; and the BACK.
Vagus Nerve Stimulation
An adjunctive treatment for PARTIAL EPILEPSY and refractory DEPRESSION that delivers electrical impulses to the brain via the VAGUS NERVE. A battery implanted under the skin supplies the energy.
Pain, Referred
A type of pain that is perceived in an area away from the site where the pain arises, such as facial pain caused by lesion of the VAGUS NERVE, or throat problem generating referred pain in the ear.
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