|Year : 2020 | Volume
| Issue : 6 | Page : 2638-2649
Investigation of the role of herbal medicine, acupressure, and acupuncture in the menopausal symptoms: An evidence-based systematic review study
Abed Ebrahimi1, Naeimeh Tayebi2, Ahmadinezhad Fatemeh3, Marzieh Akbarzadeh4
1 Department of Operating Room, Faculty of Para Medicine, Bushehr University of Medical Sciences, Bushehr, Iran
2 Department of Midwifery, School of Nursing and Midwifery, Bam University of Medical Sciences, Bam, Iran
3 Department of Midwifery, Firoozabad Branch, Islamic Azad University, Firoozabad, Iran
4 Department of Midwifery, Maternal–Fetal Medicine Research Center, School of Nursing and Midwifery, Shiraz University of Medical Sciences, Shiraz, Iran
|Date of Submission||02-Dec-2019|
|Date of Decision||09-Dec-2019|
|Date of Acceptance||15-Apr-2020|
|Date of Web Publication||30-Jun-2020|
Dr. Marzieh Akbarzadeh
Maternal -Fetal Medicine Research Center, Department of Midwifery, School of Nursing and Midwifery, Shiraz University of Medical Sciences, Shiraz
Source of Support: None, Conflict of Interest: None
Background: Menopause is an important physiological phenomenon in women's lives. Women's concern about taking the hormone treatment to ease menopausal symptoms is increasing. Over the past decade, the use of complementary and alternative medicine for the treatment of menopausal problems instead of hormone therapy has increased. Objective: This study aimed to investigate the role of herbal medicine, acupressure, and acupuncture in the menopausal symptoms. Methods: Data source: related articles were searched from internal scientific databases and external databases of “Web of Scopus, Cochrane, PubMed, Science Direct, Ovid, and Google scholar.” Study Eligibility Criteria: The keywords such as menopause, menopausal symptoms, complementary menopausal medicine, acupuncture in menopause, herbal medicine in menopause, and acupuncture in menopause were searched in the studies from 1987 to 2019. Exclusion criteria were inadequate information in the study, lack of access to full-text articles, animal studies, and reports. At the end of the search, 145 articles out of a total of 400 articles were reviewed. Results: In various studies, different herbs such as licorice, valerian, soy, sage, ginseng, etc., were used to improve menopausal symptoms. In addition, acupuncture and acupressure were used to reduce menopausal symptoms. Conclusion: The efficacy and use of complementary and alternative medicine, along with other classical medicine care, can be a new model for improving menopausal symptoms in women. It is recommended that further clinical and review studies be conducted to develop complementary and alternative medicine.
Keywords: Acupressure and acupuncture in the menopausal symptoms, herbal medicine
|How to cite this article:|
Ebrahimi A, Tayebi N, Fatemeh A, Akbarzadeh M. Investigation of the role of herbal medicine, acupressure, and acupuncture in the menopausal symptoms: An evidence-based systematic review study. J Family Med Prim Care 2020;9:2638-49
|How to cite this URL:|
Ebrahimi A, Tayebi N, Fatemeh A, Akbarzadeh M. Investigation of the role of herbal medicine, acupressure, and acupuncture in the menopausal symptoms: An evidence-based systematic review study. J Family Med Prim Care [serial online] 2020 [cited 2020 Sep 18];9:2638-49. Available from: http://www.jfmpc.com/text.asp?2020/9/6/2638/287816
| Introduction|| |
Menopause is an important physiological phenomenon in women's lives. The average age of menopause is normally 50 years. The population of postmenopausal women is rising and by 2030, this population will reach one billion two hundred thousand people with an annual increase of 47 million new cases per year. The most obvious symptom of this phenomenon is complete menstrual cessation for one year. This period is accompanied by the gradual loss of reproductive activity and the transition to a new biological status. Although menopause is a natural stage of life, many women experience many problems before and after it., Women are often at the peak of their professional lives when they are at menopause. Therefore, managing this stage of life is very important. Menopause has many symptoms including vasomotor symptoms, psychological symptoms, musculoskeletal pain, osteoporosis, sleep problems, and genitourinary symptoms., Vasomotor symptoms affect 80% of menopausal women.,, Vaginal symptoms are a problem in one-third of postmenopausal women and persist for many years and sometimes begin several years after menopause. About one-third of women experience sleep disorders during menopausal transition and 10% have symptoms of depression. Hormone therapy is the most effective treatment for menopausal symptoms. There is strong evidence of an increased risk of hyperplasia and endometrial cancer, breast and ovarian cancer, gall bladder cancer, thromboembolism, heart disease, stroke, pulmonary embolism, and dementia following hormone replacement therapy.,,, In addition, 10% of women are prohibited from taking estrogen because of some diseases and hormone therapy is used in less than 20% of cases. There is a growing concern among women about the use of these methods which is one of the reasons for women's lack of tendency for hormone therapy and their tendency to use nonpharmacological methods. Over the past decade, the use of complementary and alternative medicine (CAM) to treat women's problems, including menopausal problems, has increased. One out of every 4 women uses complementary and nonpharmacological treatments to relieve menopausal symptoms. The World Health Organization has suggested complementary and alternative medicine as ways to improve menopausal symptoms and increase the sense of well-being in women. Complementary medicines used in menopause include mind-body practices (such as hypnosis, meditation, aromatherapy), natural products (such as herbs, vitamins, dietary supplements, and minerals), traditional Chinese medicine, reflexology, acupuncture, acupressure, and homeopathy., The aim of this study was to investigate the effects of herbal medicine, acupressure, and acupuncture on menopause symptoms.
| Methods|| |
We reviewed published articles from 1987 to 2019 on the impact of herbal therapy, acupuncture, and acupressure on menopausal symptoms based on the PRISMA flow diagram for better evaluation.
In this review study, related articles were searched from internal scientific databases and external databases of “Web of Scopus, Cochrane, PubMed, Science Direct, EBSCO, Medline, Ovid, and Google scholar.”
The main search terms included the keywords of menopausal symptoms, complementary medicine, acupuncture, herbal therapy, and acupressure in menopause in studies from 1987 to 2019. The articles were then categorized according to the type of study and clinical applications. The study inclusion criteria were case-control studies, review articles, cohort articles, pilot studies, and clinical trials published in English and Farsi, menstruation over the past 12 months, no medical illnesses performed during the study, and not receiving any specific treatment during the study. If there were several reports from one study, the most complete study was considered. The STROBE checklist with 22 items was used to evaluate the quality of the observation articles. The main items of the checklist were title, summary, introduction, method, findings, and discussion. Of the 22 total scores, at least 16 were considered for acceptance of the paper in the analysis. Finally, the information about each article was extracted based on the present study. The study exclusion criterion was the assessment of the quality of articles by CONSORT scale. Besides, other exclusion criteria included were irrelevant research studies, inadequate data in the study, lack of access to full text of articles, editorial studies, and reports.
Study selection and data collection process
Articles were evaluated in two stages; the process of reviewing articles was that the first researcher read the articles individually and the information for each article was recorded in the table. The same reassessment was done by the second researcher. In the second step, the full text of the criterion-based articles was selected and if the researcher disagreed during the joint meeting, the final table was completed. The articles were then categorized by study type and clinical applications. Finally, information about each article was extracted based on the present study.
| Results|| |
Based on the search strategy, 400 articles were found in the first stage, 96 articles because of repeatability and 159 articles because of the lack of inclusion criteria were deleted. Then, from which 145 met the criteria for entry into the present review. Based on the findings of these studies, the various aspects of complementary medicine in menopause [Figure 1].
Evidence of the effectiveness of herbal medicine in reducing menopausal symptoms
One of the most popular and common ways to improve menopausal symptoms is the use of herbs. In the United States and the United Kingdom, 80% of postmenopausal women use herbal medicine, and 60% to 70% believe that these supplements eliminate their problems and are safe without side effects. Phytoestrogens or plant estrogens are nonsteroidal. Phytoestrogens include flavones, lignans, and coumestans. The presence of phytoestrogens and phyto progesterones in the medicinal plants and the antiandrogenic effects of these plants reduce the conversion of testosterone to dihydrotestosterone and also increase the conversion of testosterone and androstenedione to estrogen in peripheral tissues which can reduce menopausal symptoms. Numerous studies have shown that regular consumption of phytoestrogens in the diet of Asian women has led to a decrease in menopausal symptoms. Many medicinal plants have been used to improve the symptoms of menopause [Table 1], [Table 2], [Table 3]. On the other hand, in some studies, researchers found findings conflicting with other studies and acknowledged the ineffectiveness of some herbs in reducing menopausal symptoms [Table 4].
|Table 1: Evaluation of the mechanism of effects and herbs effective in reducing menopausal symptoms|
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|Table 2: Evaluation of the mechanism of effects and herbs effective in reducing menopausal symptoms|
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|Table 3: Evaluation of the mechanism of effects and herbs effective in reducing menopausal symptoms|
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Acupuncture for reducing menopausal symptoms
Acupuncture is a Chinese medical intervention that involves placing small metal needles in specific areas of the body. It is not yet clear how this method works but it is widely accepted as a safe treatment. In traditional Chinese medicine, it is said that acupuncture reduces pain and cures symptoms by regulating meridian energy (Qi). On the other hand, modern Western medicine has investigated the mechanism of acupuncture based on changes in neurological, physiological, and hormonal neuronal activities. Some studies show that acupuncture increases endorphin activity. Therefore, it modulates thermoregulation in the hypothalamus and neutralizes temperature in patients with vasomotor syndrome. Acupuncture reduces hot flashes and regular temperature control by increasing beta-endorphin levels and inhibiting GnRH secretion.,,, The beneficial effects of acupuncture on reducing menopausal symptoms have been reported [Table 5].
Evidence of the use of acupressure in reducing menopausal symptoms
Acupressure as one of the branches of complementary and alternative medicine is a method that can be practiced by physicians, midwives, nurses, or even patients themselves. Acupressure is a noninvasive and safe technique, a form of traditional therapy skill where the fingers are used to press certain key points on the skin. Chinese believe that the human body has a network of energy channels that resemble the vascular and circulatory systems. In this network, there are 12 major pathways called meridian, several communication pathways, and 361 acupressure points that have high directional power and affect one's health when a problem arises. At the beginning of the creation of such treatment, the researchers believed that the effects were only due to their psychological effects but with further investigation and better understanding of the mechanism of the procedure, it became clear that the effects of acupressure were much greater and deeper than the purely psychological effects. Acupressure balances vital energy by releasing neurotransmitters and hormones which consequently improves the early complications of menopause. The effects of acupressure on menopausal symptoms have been proven [Table 6].
| Discussion|| |
Most menopausal women are looking for a safe alternative to hormone therapy due to its side effects. Among the methods of complementary and alternative medicine, we can mention herbal medicine, acupuncture, and acupressure for the treatment of menopausal symptoms.,, Various studies have shown a high tendency of women for complementary therapies and herbal medicines. In this study, 25 herbal medicines effective in menopausal symptoms were studied. The results showed that herbal therapy reduced hot flashes, increased bone mineral density, improved sleep quality, reduced vasomotor symptoms, improved metabolic disorders, reduced risk of osteoporosis and hypertension, increased libido, improved memory and mental flexibility, improved sexual function and life quality, promoted health, prevented Alzheimer's, controlled weight gain, treated hyperlipidemia, reduced psychological symptoms, improved vaginal atrophy, and generally reduced menopausal symptoms in women. Phytoestrogens are compounds found in many of the plants investigated in this study that exhibit estrogenic and in some cases antiestrogenic properties. The function of these herbal chemicals in bonding with estrogen receptors in human body cells is so similar to natural hormones that must be considered as one of the tricks of human evolution in taking advantage of nature. The estrogenic power of these compounds is estimated to be one thousandth to one ten-thousandth of Estradiol but it has no adverse effects like that of synthetic estrogens. Different types of phytoestrogens include isoflavones, flavonoids, coumestans, and lignans. Phytoestrogens reduce the symptoms of menopause and the risk of cardiovascular disease, osteoporosis, and breast and endometrial cancers. Asian women experience fewer menopausal symptoms during menopause than Western women due to a diet high in phytoestrogens. In Japan, for example, the daily amount of phytoestrogens intake is estimated as 200 mg. As a result, the rates of hormones and osteoporosis-related cancers and hot flashes in Japanese women are lower than the women in other parts of the world. Herbs such as valerian, black cohosh, chamomile, Hypericum perforatum, licorice, anise, soya, red clover, Vitex-agnus castus, and sage  are phytoestrogenic and have been recommended for the treatment of menopausal symptoms. Although most studies indicated the positive effects of therapeutic herbal interventions on menopausal symptoms, a number of studies showed that some herbs had no effect on menopausal symptoms.,,,,,, The reason for these discrepancies may be due to differences in sampling methods, low sample numbers, concealment, incomplete data usage, and prescribing procedures. Although medicinal herbs have fewer side effects than drug therapy, they may also have some side effects. Reports indicate that Black cohosh side effects are rare, mild, and reversible. Gastrointestinal problem is the most common side effect of this plant. Headache, dizziness, and vomiting may occur in high doses., Allergic skin reactions, skin problems, and neurological symptoms have also been reported in the use of kava. Kava may interfere with other anxiolytics; there is a reported case of Kava interfering with alprazolam. Kava was associated with liver damage and removed from the market of Canada and several countries in Europe. On the other hand, long-term use of ginseng may lead to hypertension, edema, diarrhea, skin rashes, insomnia, depression, and amenorrhea. It also causes nervousness, dizziness, and uterine bleeding and some effects on liver enzymes. A case of suspected drug interference of Dong quai with Warfarin has also been reported. The use of Hypericum perporatum has been associated with gastrointestinal complications and headaches. Vitex agnus-castus consumption has also been associated with headaches and dizziness. Another branch of complementary and alternative medicine is acupuncture. Acupuncture is used to treat menopausal symptoms as a complementary and alternative therapy without serious side effects. We examined 18 acupuncture studies. Studies showed that acupuncture improved sleep quality, decreased vasomotor symptoms, reduced symptoms of depression and anxiety, improved dry eye and sleep disturbances, improved metabolic syndrome, reduced irritability and hot flashes, enhanced quality of life, and reduced menopausal symptoms. In one study, the effect of acupuncture compared with alprazolam on sleep quality in postmenopausal women was investigated and the results showed a greater effect of alprazolam. In another study, the effect of acupuncture compared with diazepam on the irritability of postmenopausal women was investigated in which the results indicated a greater effect of acupuncture than diazepam tablets. Acupressure is another branch of complementary and alternative medicine. In this study, 6 clinical trials were studied. The results showed that acupressure improved sleep quality, hot flashes, and reduced menopausal complications in postmenopausal women. The function of acupressure is unknown but studies have shown that by pushing acupressure points, myelinated nerve fibers are activated and send messages to the spinal cord. This activates three neural centers of the spinal cord, middle brain, and hypothalamic-pituitary axis. In the case of hot flashes, for example, it has been hypothesized that an increase in endorphin hormone during acupressure modulates hypothalamic temperature regulation. Peptide levels, associated with the calcitonin gene, a potent vasodilator released during flushing, decrease during acupressure therapy. In addition, in some studies, this treatment may increase the level of plasma hormones such as estradiol during and after acupressure therapy. Limitations of this study included focusing on published articles in English and limited studies of complementary medicine including herbal therapy in the world, except in some countries. In addition, due to the interventional nature of herbal medicine, acupuncture, and acupressure, the risk of bias might occur in the studies and affect the results of the studies. Further studies should be conducted with careful blinding methods to provide further evidence of the effectiveness of these interventions. To better understand the impact of complementary medicine interventions on menopausal symptoms, more systematic review studies and meta-analyzes should be performed for clinical trial evaluations.
| Conclusion|| |
There are many complementary medicine methods to improve menopausal symptoms and it is difficult to determine which method has more beneficial therapeutic benefits. Hence, patients interested in complementary medicine treatments should talk to their healthcare providers about the value and potential implications of it. Some herbal medicines have some side effects. Therefore, they should be used with caution. However, many herbs are either without side effects or have very minor side effects; thus, some herbal medicines that have been proven to be effective can be used to improve menopausal symptoms. Acupuncture and acupressure are also beneficial treatments with no side effects to improve menopausal symptoms.
Financial support and sponsorship
Shiraz University of Medical Sciences, Shiraz, Iran.
Conflicts of interest
There are no conflicts of interest.
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[Table 1], [Table 2], [Table 3], [Table 4], [Table 5], [Table 6]