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The parturients may suffer from hypotension after spinal anesthesia and the incidence could be as high as 70-80% when pharmacological prophylaxis is not used. Acupuncture was reported to treat hypotension both in human and animal studies. Possible mechanisms include modulating cardiovascular and sympathetic system. In this prospective, double-blinded, randomized clinical trial, we tend to investigate the effect of transcutaneous electric acupoint stimulation (TEAS) on hypotension in parturients undergoing cesarean section.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| control | Sham Comparator |
| |
| low frequency stimulation | Experimental |
| |
| high frequency stimulation | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| high frequency acupoint stimulation | Other | electrodes are attached to area of acupoints and electrical stimulation at 10/50 Hz is given |
|
| Measure | Description | Time Frame |
|---|---|---|
| incidence of hypotension by 30 minutes after spinal anesthesia | Hypotension episodes, defined as reductions in systolic blood pressure exceeding 30% of baseline or <90 mm Hg | from injection of anesthetics to 30 minutes after injection, in a total of 30 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| lowest systolic blood pressure during 30 minutes after spinal anesthesia | from injection of anesthetics to 30 minutes after injection, in a total of 30 minutes | |
| dose of ephedrine | hypotension is treated with ephedrine in increments of 10 mg every 2 minutes |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Xijing hospital, Fourth military medical university | Xi'an | Shaanxi | 710032 | China |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 17959591 | Result | Arai YC, Kato N, Matsura M, Ito H, Kandatsu N, Kurokawa S, Mizutani M, Shibata Y, Komatsu T. Transcutaneous electrical nerve stimulation at the PC-5 and PC-6 acupoints reduced the severity of hypotension after spinal anaesthesia in patients undergoing Caesarean section. Br J Anaesth. 2008 Jan;100(1):78-81. doi: 10.1093/bja/aem306. Epub 2007 Oct 24. | |
| 20632667 |
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| ID | Term |
|---|---|
| D007022 | Hypotension |
| ID | Term |
|---|---|
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
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| low frequency acupoint stimulation | Other | electrodes are attached to area of acupoints and electrical stimulation at 2/10 Hz is given |
|
| electrodes attached | Other | electrodes are attached to area of acupoints |
|
| from injection of anesthetics to 30 minutes after injection, in a total of 30 minutes |
| nausea and vomiting score | The presence of nausea and vomiting is measured on a 3-point scale of 1, 2, and 3, indicating no nausea and no vomiting, nausea only, and both nausea and vomiting, respectively. | from injection of anesthetics to 30 minutes after injection, in a total of 30 minutes |
| incidence of dizzy | from injection of anesthetics to 30 minutes after injection, in a total of 30 minutes |
| incidence of apnea | from injection of anesthetics to 30 minutes after injection, in a total of 30 minutes |
| incidence of chest congestion | from injection of anesthetics to 30 minutes after injection, in a total of 30 minutes |
| dose of atropine | Heart rate lower than 50 beats per minute is treated with 0.5mg of atropine | from injection of anesthetics to 30 minutes after injection, in a total of 30 minutes |
| Apgar score at 1 minute | Apgar score of the neonates at 1minute after birth. The Apgar score is based on a total score of 1 to 10. The higher the score, the better the baby is doing after birth. | 1minute after birth |
| Adigun TA, Amanor-Boadu SD, Soyannwo OA. Comparison of intravenous ephedrine with phenylephrine for the maintenance of arterial blood pressure during elective caesarean section under spinal anaesthesia. Afr J Med Med Sci. 2010 Mar;39(1):13-20. |
| 32619039 | Result | Chooi C, Cox JJ, Lumb RS, Middleton P, Chemali M, Emmett RS, Simmons SW, Cyna AM. Techniques for preventing hypotension during spinal anaesthesia for caesarean section. Cochrane Database Syst Rev. 2020 Jul 1;7(7):CD002251. doi: 10.1002/14651858.CD002251.pub4. |
| 38546428 | Derived | Liu X, Gao Z, Jiang Y, Tuo X, He S, Xu F, Lu Z. Comparison of Low-Frequency or High-Frequency Electrical Acupoint Stimulation on Hypotension After Spinal Anesthesia in Parturients: A Prospective Randomized Controlled Clinical Trial. J Integr Complement Med. 2024 Aug;30(8):770-775. doi: 10.1089/jicm.2023.0610. Epub 2024 Mar 28. |