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Spa therapy and peripheral serotonin and dopamine function: a systematic review. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2024; 68:153-161. [PMID: 37950094 PMCID: PMC10752831 DOI: 10.1007/s00484-023-02579-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/23/2023] [Accepted: 11/04/2023] [Indexed: 11/12/2023]
Abstract
Spa therapy consists of multiple techniques based on the healing effects of water, including hydrotherapy, balneotherapy, and mud therapy, often combined with therapeutic exercises, massage, or physical therapy. Balneotherapy is a clinically effective complementary approach in the treatment of low-grade inflammation- and stress-related pathologies, especially rheumatic conditions due to its anti-inflammatory properties. The main objective of this investigation was to conduct a systematic review analyzing the available evidence on the effect of spa therapy on serotonin and dopamine function. The databases PubMed, Web of Science, Scopus, and Cochrane Central Register of Controlled Trials (CENTRAL) were used from June to July 2023. Exclusion criteria were (1) articles not written in English, (2) full text not available, (3) article not related to the objective of the review. JADAD scale was used for methodological quality evaluation. Four studies were included in the systematic review. Two studies were related to serotonin in healthy individuals, one to serotonin in fibromyalgia, and one to dopamine in healthy individuals. One of the studies evaluated hydrotherapy, another one balneotherapy and mud-bath therapy, and the other two assessed balneotherapy interventions. Studies were very heterogeneous, and their methodological quality was low, making it difficult to draw clear conclusions regarding the effect of spa therapy on peripheral serotonin and dopamine function. The findings of this review highlight the lack of studies evaluating these neurotransmitters and hormones in the context of spa therapy. Further research is needed to evaluate the potential effects of these therapies on serotonin or dopamine function.
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Circulating serotonin and dopamine concentrations in osteoarthritis patients: a pilot study on the effect of pelotherapy. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2024; 68:69-77. [PMID: 37962646 PMCID: PMC10752847 DOI: 10.1007/s00484-023-02571-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 11/15/2023]
Abstract
Balneotherapy has demonstrated clinical efficacy in the management of pathologies involving low-grade inflammation and stress. In rheumatic conditions such as osteoarthritis (OA), this therapy presents anti-inflammatory properties and potential to improve psychological well-being. Although the neurohormones serotonin and dopamine are known to be involved in these processes, surprisingly they have not been studied in this context. The objective was to evaluate the effect of a cycle of balneotherapy with peloids (pelotherapy) on circulating serotonin and dopamine concentrations in a group of aged individuals with OA, after comparing their basal state to that of an age-matched control group. In our pilot study, a pelotherapy program (10 days) was carried out in a group of 16 elderly patients with OA, evaluating its effects on circulating serotonin and dopamine concentrations (measured by ELISA). Individuals with OA showed higher levels of serotonin and lower dopamine levels, in line with the inflammatory roles of these mediators. After pelotherapy, serotonin concentrations significantly decreased, potentially contributing to the previously reported anti-inflammatory effects of balneotherapy.
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Effectiveness of Mud-Pack Therapy and Mud-Bath Therapy in Osteoarthritis: A Systematic Review. Complement Med Res 2023; 31:30-39. [PMID: 38008065 DOI: 10.1159/000535437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 11/18/2023] [Indexed: 11/28/2023]
Abstract
OBJECTIVES Osteoarthritis has a tremendous socioeconomic impact in terms of drug spending, hospital admissions, work productivity, and temporary or permanent incapacity. Mud therapy has been discussed as potential conservative treatment options for osteoarthritis. However, findings from several trials still remain controversial. For this reason, we aimed to systematically review the highest evidence provided by published trials to estimate the clinical effect of mud-pack and mud-bath therapy for the treatment of osteoarthritis. METHODS We searched PubMed, PEDro, and the Cochrane CENTRAL Register for Controlled Trials for articles published between 2000 and 2020 using the terms "orthopedics," "orthopaedics," "musculoskeletal," "osteoarthritis," and "mud bath," "mud pack." RESULTS Of the 19 studies included, 15 examined the effects of mud-bath therapy in knee osteoarthritis treatment. One study focused on the treatment effect of mud bath on hand osteoarthritis, another study examined treatment effects in hip and knee osteoarthritis, and two studies enrolled patients with chronic low back pain caused by lumbar spine osteoarthritis. We systematically reviewed the data obtained from the literature and summarized the results on the basis of the main outcomes. The results show significant improvements in function, quality of life, and perceived pain for patients with osteoarthritis. CONCLUSION Results of randomized controlled trials suggest that mud therapy is part of a promising integrated and synergistic multidisciplinary approach in combination with other treatment forms like pharmacotherapy or physiotherapy. Ziele Die sozio-ökonomischen Auswirkungen der Arthrose sind immens. Heiltorfbehandlungen sind seit einiger Zeit als mögliche Ergänzung der konservativen Therapieoptionen dieser Erkrankung Gegenstand wissenschaftlicher Untersuchungen. Ziel dieser Studie war es, die aktuellen Erkenntnisse zur Heiltorftherapie bei Arthrose zusammenzufassen. Methoden Wir führten eine systematische Literaturrecherche der Datenbanken Pubmed, PEDro und Cochrane CENTRAL Register of Controlled Trials durch. Hierbei wurden Artikel, die zwischen 2000 und 2020 publiziert wurden und mit den Schlagwörtern “orthopedics”, “orthopaedics”, “musculoskeletal”, “osteoarthritis” und “mud-bath”, “mud-pack” assoziiert waren, erfasst. Ergebnisse Von den 19 näher untersuchten Studien beschäftigten sich 15 mit den Effekten der Heiltorftherapie bei Patienten mit Kniearthrose, eine Studie untersuchte Patienten mit Arthrose der Hand, eine weitere Studie untersuchte die Auswirkung der Therapie bei Arthrose der Hüfte. 2 Studien untersuchten den Effekt der Moorbäder bei Patienten mit chronischen Rückenschmerzen. Insgesamt zeigten sich signifikante Verbesserungen der Funktion, Lebensqualität und Schmerzlinderung bei den Patienten unter Heiltorftherapie. Zusammenfassung Die Ergebnisse der randomisierten, kontrollierten Studien zeigen, dass die Heiltorftherapie eine vielversprechende Ergänzung in einem multidisziplinären Ansatz der Arthrosetherapie ist.
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Short-time effects of spa rehabilitation on pain, mood and quality of life among patients with degenerative or post-surgery musculoskeletal disorders. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2023; 67:29-36. [PMID: 36207541 PMCID: PMC9546417 DOI: 10.1007/s00484-022-02381-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 09/21/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
Clinical trials have demonstrated traditional spa therapy effects in musculoskeletal disorders (MSDs). This is the first observational study in Italy aimed at evaluating in real-life the short-time effects of spa rehabilitation on pain, mood and quality of life (QoL) among degenerative or post-surgery MSDs patients. Through the involvement of six Italian spa facilities, 160 patients were enrolled; data from 123 patients were finally analysed. Seventy-nine patients (64.3%) accessed the spa for degenerative MSDs, while 44 (35.8%) had a post-surgical condition. All the patients included in the study underwent 12 sessions of water-based exercise (joint exercises, muscle strengthening, gait training, proprioceptive and balance techniques) conducted in thermal or in warm water pools, six sessions per week, for a period of 2 weeks from March 2019 up to October 2019. A group of 45 patients (36.6%) also received traditional thermal therapies, including 12 mud therapy sessions and 12 thermal baths, six times each week, for 2 weeks. Evaluation before and after the treatment included the Numerical Rating Scale (NRS), the Short Form Health Survey (SF-12) and the EuroQol-5D (EQ-5D). The analysis of the scores reported in the questionnaires after the treatment showed a significant improvement in all the scores evaluated. Comparison between patients that performed water-based exercise protocols alone (group A) and patients that in addition to water exercise performed traditional thermal interventions (group B) showed no statistically significant differences in NRSp, NRSa, NRSm, SF-12 PCS, SF-12 MCS and EQ-5D variations; only NRSa value reduction was lower in group B. Sulphate water was found to be associated with a lower reduction of all the scores considered, when compared to the other water types. Patients with degenerative or post-surgery MSDs showed favourable effects on pain, mood and QoL after water exercise training alone or in combination with traditional thermal therapy. Our research provides the first proof that spa rehabilitation can be in real-life conditions an appropriate alternative strategy for post-orthopaedic surgical outcomes recovery. In the future, these results will need to be further investigated.
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Property of mud and its application in cosmetic and medical fields: a review. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2022; 44:4235-4251. [PMID: 35254605 DOI: 10.1007/s10653-022-01228-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 02/13/2022] [Indexed: 06/14/2023]
Abstract
Mud is a semi-colloidal substance formed by the mixture of inorganic, organic and water under the influence of various physical and chemical factors through geological and biological processes. The chemical composition of mud is complex, rich in Ca2+, Zn2+, Mg2+, Na+ and other mineral elements, also contains organic matter such as humic acid, fulvic acid and acetic acid. In cosmetic field, mud can improve the activity of glutathione enzyme and superoxide dismutase in skin, which helps the skin anti-aging. Besides, it also can improve the skin microbial community, due to its distinctively physical properties, mineral ions, microorganisms, etc. In medical field, mud can treat osteoarthritis, especially knee osteoarthritis which has been studied extensively, and it can also increase the chemotaxis of macrophages. On the one hand, the use of clay (a kind of refined mud) can protect the gastrointestinal tract and treat some gastrointestinal diseases. On the other hand, clay is often used as carriers or composites in drug delivery, especially in skin drug delivery, showing very positive results. The purpose of this review is to present an overview of current knowledge about the application of mud in cosmetic and medical fields and to provide ideas for further research in mud.
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Comparison of the effectiveness of peloid and paraffin treatment for symptomatic hand osteoarthritis in women: a single-blind randomized controlled study. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2022; 66:1841-1851. [PMID: 35794487 PMCID: PMC9261180 DOI: 10.1007/s00484-022-02324-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 06/11/2022] [Accepted: 06/28/2022] [Indexed: 06/15/2023]
Abstract
Although peloid and paraffin treatments may have a positive effect in the short term on pain, functional status, hand grip strength, and quality of life in patients with hand osteoarthritis (HOA), there are no comprehensive and comparative studies of these therapies for HOA. The aim of our study was to evaluate the short-term effects of peloid and paraffin treatments in symptomatic HOA patients. Eighty female patients diagnosed with HOA were randomly divided into two equal groups: peloid group (peloid therapy and home exercise) and paraffin group (paraffin therapy and home exercise). Peloid and paraffin applications were performed over 3 weeks for a total of 15 sessions. Patients were evaluated with visual analog scale (VAS)-rest, -activity, and -handgrip for pain, Jamar hand dynamometer for grip strength, Australian/Canadian (AUSCAN) Osteoarthritis Hand Index for function, health assessment questionnaire (HAQ) for physical activity, Beck depression inventory (BDI) for depression, and short form-36 (SF-36) for quality of life. Evaluations were performed before treatment, in the 3rd week, and 1 month after treatment. For all parameters except SF-36, statistically significant improvements were observed in short-term evaluations compared to the baseline in both groups (p = .000). Reductions in HAQ scores in the 3rd week and 1st month (p = .001 and p = .003), and the decrease in BDI scores in the 3rd week (p = .005) was statistically significantly higher in the peloid group. Improvements in some subparameters of the SF-36 were statistically significant in favor of the peloid group. In female patients with HOA, both groups experienced similar positive effects on pain, functional status, and hand grip strength for up to one month, but the peloid group was found to be superior in the short term in terms of physical activity and some quality of life parameters. Peloid therapy can be preferred as a natural and reliable method for symptomatic HOA.
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Comparison of the efficacies of peloid therapy and paraffin treatment given as an adjuncts to exercise therapy in patients with hallux rigidus: a randomized, uncontrolled, prospective study. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2022; 66:1699-1710. [PMID: 35654863 DOI: 10.1007/s00484-022-02311-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/25/2022] [Accepted: 05/27/2022] [Indexed: 06/15/2023]
Abstract
Although it is thought that peloid and paraffin treatments may have positive effect on pain, functional status, and quality of life in patients with hallux rigidus (HR), there are no comprehensive and comparative studies with a high level of evidence. We aimed to compare peloid and paraffin treatments in symptomatic hallux rigidus patients. A total of 113 patients diagnosed with HR between May 2019 and June 2021 were included in the study. After exclusion criteria, the remaining 90 patients were randomly divided into two groups: the peloid therapy group (peloid therapy + home exercise) and the paraffin therapy group (paraffin therapy + home exercise). Peloid and paraffin treatments were applied for 2 weeks (5 days a week for a total of 10 sessions). Patients were evaluated before treatment, at the end of treatment, and one month after treatment. The groups were compared in terms of pain, functional status, quality of life, and joint range of motion. In the final analysis, 40 patients in each treatment group were compared. Statistically significant improvements were achieved for all parameters at the end of treatment and at follow-up, and the treatments were found to be highly effective. As a result of the comparison, the methods were not found to be superior to each other. The present study is the first randomized study comparing peloid therapy and paraffin therapy given as an adjuncts to exercise therapy. Exercise therapy plus peloid and exercise therapy plus paraffin treatments seem to have similar effects on HR; however, controlled trials are necessary for confirmation of our results.
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Crenobalneotherapy for low back pain: systematic review of clinical trials. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2022; 66:13-23. [PMID: 34625843 DOI: 10.1007/s00484-021-02188-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 07/25/2021] [Accepted: 08/30/2021] [Indexed: 06/13/2023]
Abstract
Crenobalneotherapy is a treatment commonly used in Europe and Middle East. It uses mineral water sometimes combined with different hydrotherapy techniques. Most patients treated in spa centers suffer from low back pain. The purpose of this work is to identify clinical trials on crenobalneotherapy for low back pain. Publication research was performed on Medline, Cochrane, and PEDRO databases. Clinical trials were analyzed for internal validity, external validity, quality of statistical analysis, and quality of collection of adverse events. We present the best level of evidence. Bibliographic research identified 21 clinical trials and the coauthors added 5 references. The 26 trials represent 2695 patients. Some have good methodological quality and allow considering crenobalneotherapy as a potential treatment for low back pain, even if the role of mineral water remains uncertain. The methodological quality of therapeutic trials should be improved. These trials should be analyzed in the future guidelines on low back pain.
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Effectiveness of peloid therapy in patients with chronic low back pain: a single-blind controlled study. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2021; 65:1799-1809. [PMID: 33931829 DOI: 10.1007/s00484-021-02137-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 04/18/2021] [Accepted: 04/21/2021] [Indexed: 06/12/2023]
Abstract
The aim of this study was to compare peloid therapy in addition to home exercise with home exercise alone in terms of pain, function, quality of life, and depression in patients with chronic low back pain (cLBP). A total of 106 cLBP patients were divided into two equal groups as treatment and control. The peloid therapy group had peloid therapy (with a total of 15 sessions on 5 days per week for 3 weeks duration with 45 °C temperature lasting 30 min/day) + home exercise program. The control group was only given a home exercise program. Patients completed the visual analog scale-pain (VAS-pain), patient and physician global assessments (VAS-PGA and VAS-PhGA), revised Oswestry disability index (rODI) for functional status, the short form-36 (SF-36) for quality of life, and Beck Depression Inventory (BDI) for depression three times as before treatment, after treatment (3rd week), and 1 month after the end of treatment. Assessments in the 3rd week at the end of treatment revealed statistically significant improvements for rODI (p = 0.013), VAS-pain (p = 0.039), and VAS-PhGA (p = 0.002) parameters in the peloid therapy group compared to the control group. Assessments in the 1st month after the end of treatment revealed statistically significant improvements in rODI (p < 0.001), VAS-pain (p < 0.001), VAS-PGA (p = 0.002), VAS-PhGA (p < 0.001), and SF-36VE (p = 0.022) parameters in the peloid therapy group compared to the control group. Peloid therapy + home exercise was statistically significantly superior to home exercise alone in improving pain and function in patients with cLBP. Peloid therapy may be recommended as a non-pharmacological treatment for cLBP patients. There is a need for randomized studies with longer follow-up including biochemical parameters to verify the beneficial effects observed in this study and elaborate the mechanisms of action.
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From in vitro research to real life studies: an extensive narrative review of the effects of balneotherapy on human immune response. SPORT SCIENCES FOR HEALTH 2021; 17:817-835. [PMID: 34035862 PMCID: PMC8136372 DOI: 10.1007/s11332-021-00778-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 05/04/2021] [Indexed: 12/27/2022]
Abstract
Purpose The biologic mechanisms by which balneotherapy (BT) alleviates symptoms of different diseases are still poorly understood. Recently, preclinical models and clinical trials have been developed to study the effects of BT on the immune system. This review summarizes the currently available evidence regarding the effects of spa therapy on the immune response, to confirm the role of BT in the enhancement of immune system and open interesting research fields. Methods PubMed and Google Scholar were searched from 1997 up to June 2020, with search criteria including terms related to BT and immune system. We selected only in vitro research, randomized controlled trials (RCTs) or clinical trials. Results In vitro studies on human and animal samples have demonstrated that thermal waters exert anti-inflammatory and immunomodulatory effects. In particular, H2S donors seem to counteract the inflammatory processes in psoriatic lesions, arthritic fibroblast-like synoviocytes and chondrocytes, and regulate important factors implicated in osteoarthritis pathogenesis and progression. RCTs and clinical trials revealed, after BT, a reduction in circulating levels of pro-inflammatory molecules, such as TNF-α, IL-1β, and C-reactive protein, and an increase in anti-inflammatory molecules such as the IGF-1 growth factor especially in musculoskeletal diseases. Conclusion Further preclinical studies and RCTs could help to exploit BT in real life for preventive and therapeutic treatments.
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Chemical and mineralogical characteristics of peloids in Turkey. ENVIRONMENTAL MONITORING AND ASSESSMENT 2020; 192:805. [PMID: 33263866 DOI: 10.1007/s10661-020-08777-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 11/23/2020] [Indexed: 06/12/2023]
Abstract
To investigate the physical, chemical, and mineralogical characteristics of peloids, which are being used traditionally and historically across Turkey, and evaluate their suitability and potential for use in peloidotherapy. Five peloid samples were gathered from their places of origin, namely Gölemezli, Dalyan, Köprüköy, Gökçeada, and Dikili. Mineral analysis and physical and chemical analyses including electrical conductivity, density, cations, anions, trace elements, organic matters, and water retention capacity at 105 °C were performed. The peloids contained a combination of clay minerals (mainly montmorillonite, kaolinite, and muscovite) and non-clay minerals (mainly quartz, calcite, dolomite, and albite) except for Gölemezli peloid, which was dominated by calcite. The other minerals (i.e., chloride-serpentine, sphalerite, pyrite, magnesium calcite, cristobalite) were also found in some peloids. Gölemezli, Dalyan, and Köprüköy peloids had high total organic matters, mainly humic substances. The water retention capacity was high in Dalyan, Köprüköy, and Dikili peloids. All peloids had a pH value slightly greater than 7 (range 7.93-8.69). Dalyan, Köprüköy, and Dikili peloids had a high water retention capacity. Dalyan and Gökçeada peloids had a high electrical conductivity, 22.040 and 9.020 μS/cm, respectively. The density of peloids was ranged between 1.240 (Gölemezli) and 1.450 (Gökçeada) g/cm3. Total mineralization of investigated peloids was greater than 1000 mg/L: Köprüköy, 2754.8 mg/L; Gölemezli, 3092.8 mg/L; Dikili, 4044.6 mg/L; Gökçeada, 6576.6 mg/L; and Dalyan, 11782.9 mg/L, mainly sodium, magnesium, calcium, chloride, sulfate, bicarbonate, and metasilicic acid. The levels of trace elements were low (≤ 2.0 mg/L) in all peloids. The peloids contained various amounts of clay minerals (mainly montmorillonite, kaolinite, and muscovite), non-clay minerals (mainly quartz, calcite, dolomite, and albite), organic matters (mainly humic acid), cations (mainly sodium, magnesium, and calcium), anions (mainly chloride, sulfate, and bicarbonate), and insoluble compounds (mainly metasilicic acid). The physical, chemical, and mineralogical properties of peloids suggest their suitability and potential for use in peloidotherapeutic applications.
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Healing and edible clays: a review of basic concepts, benefits and risks. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2018; 40:1739-1765. [PMID: 28150053 DOI: 10.1007/s10653-016-9903-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 11/24/2016] [Indexed: 06/06/2023]
Abstract
The use of clay by humans for medicinal and wellness purposes is most probably as old as mankind. Within minerals, due to its ubiquitous occurrence in nature and easy availability, clay was the first to be used and is still used worldwide. Healing clays have been traditionally used by man for therapeutic, nutritional and skin care purposes, but they could impart some important health and skin care risks. For instance, clay particles could adsorb and make available for elimination or excretion any potential toxic elements or toxins being ingested or produced, but they could adsorb and make available for incorporation, through ingestion or through dermal absorption, toxic elements, e.g. heavy metals. Edible clays, a particular case of healing clays, have been traditionally used by man for nutritional and therapeutic purposes. Geophagy, the deliberate soil eating, earth eating, clay eating and pica (medical condition or eating disorder shown by individuals addicted to eat earth substances), has been observed in all parts of the world since antiquity, reflecting cultural practice, religious belief and physiological needs, be they nutritional (dietary supplementation) or as a remedy for disease. This paper pretends to review historical data, basic concepts and functions, as well as benefits and risks of the use of healing clays, in general, for therapeutic and cosmetic purposes, and of edible clays, in particular, for therapeutic purposes.
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Salt water and skin interactions: new lines of evidence. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2018; 62:1345-1360. [PMID: 29675710 DOI: 10.1007/s00484-018-1545-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 04/08/2018] [Accepted: 04/10/2018] [Indexed: 06/08/2023]
Abstract
In Health Resort Medicine, both balneotherapy and thalassotherapy, salt waters and their peloids, or mud products are mainly used to treat rheumatic and skin disorders. These therapeutic agents act jointly via numerous mechanical, thermal, and chemical mechanisms. In this review, we examine a new mechanism of action specific to saline waters. When topically administered, this water rich in sodium and chloride penetrates the skin where it is able to modify cellular osmotic pressure and stimulate nerve receptors in the skin via cell membrane ion channels known as "Piezo" proteins. We describe several models of cutaneous adsorption/desorption and penetration of dissolved ions in mineral waters through the skin (osmosis and cell volume mechanisms in keratinocytes) and examine the role of these resources in stimulating cutaneous nerve receptors. The actions of salt mineral waters are mediated by a mechanism conditioned by the concentration and quality of their salts involving cellular osmosis-mediated activation/inhibition of cell apoptotic or necrotic processes. In turn, this osmotic mechanism modulates the recently described mechanosensitive piezoelectric channels.
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The role of mineral elements and other chemical compounds used in balneology: data from double-blind randomized clinical trials. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2017; 61:2159-2173. [PMID: 28849535 DOI: 10.1007/s00484-017-1421-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 07/28/2017] [Accepted: 07/31/2017] [Indexed: 05/21/2023]
Abstract
The aims of this study were to conduct a systematic literature review on balneotherapy about the specific therapeutic role of mineral elements and other chemical compounds of mineral waters and derivate peloids/muds and to discuss the study methods used to evaluate it (in musculoskeletal conditions). We searched Medline by PubMed using the following key words: "spa therapy" "balneotherapy" "mud" "peloid" "mud pack Therapy" in combination with "randomized controlled trial" "double blind trial." We also reviewed the reference list of articles retrieved by the Medline search. We selected the double-blind randomized clinical trials that assessed the effects of mineral water or mud treatments compared to tap water, attenuated peloid/mud therapy or similar treatments without the specific minerals or chemical compounds of the treatment group ("non-mineral"). We evaluated the internal validity and the quality of the statistical analysis of these trials. The final selection comprised 27 double-blind randomized clinical trials, 20 related to rheumatology. A total of 1118 patients with rheumatological and other musculoskeletal diseases were evaluated in these studies: 552 of knee osteoarthritis, 47 of hand osteoarthritis, 147 chronic low back pain, 308 of reumathoid arthritis, and 64 of osteoporosis; 293 of these participants were assigned to the experimental groups of knee osteoarthritis, 24 in hand osteoarthritis, 82 of low back pain, 152 with reumathoid arthritis, and 32 with osteoporosis. They were treated with mineral water baths and/or mud/peloid (with or without other forms of treatment, like physical therapy, exercise…). The rest were allocated to the control groups; they received mainly tap water and/or "non-mineral" mud/peloid treatments. Mineral water or mud treatments had better and longer improvements in pain, function, quality of life, clinical parameters, and others in some rheumatologic diseases (knee and hand osteoarthritis, chronic low back pain, rheumatoid arthritis, and osteoporosis) compared to baseline and non-mineral similar treatments. Internal validity and other limitations of the study's methodology impede causal relation of spa therapy on these improvements. Randomized clinical trials are very heterogeneous. Double-blind randomized clinical trials seem to be the key for studying the role of mineral elements and other chemical compounds, observing enough consistency to demonstrate better and longer improvements for mineral waters or derivate compared to tap water; but due to heterogeneity and gaps on study protocol and methodology, existing research is not sufficiently strong to draw firm conclusions. Well-designed studies in larger patients' population are needed to establish the role of minerals and other chemical compounds in spa therapy.
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