IntroductionIn the present systematic review and meta-analysis, we assessed the effectiveness of different forms of balneotherapy (BT) and hydrotherapy (HT) in the management of fibromyalgia syndrome (FMS).MethodsA systematic literature search was conducted through April 2013 (Medline via Pubmed, Cochrane Central Register of Controlled Trials, EMBASE, and CAMBASE). Standardized mean differences (SMDs) and 95% confidence intervals (CIs) were calculated using a random-effects model.ResultsMeta-analysis showed moderate-to-strong evidence for a small reduction in pain (SMD −0.42; 95% CI [−0.61, −0.24]; P < 0.00001; I2 = 0%) with regard to HT (8 studies, 462 participants; 3 low-risk studies, 223 participants), and moderate-to-strong evidence for a small improvement in health-related quality of life (HRQOL; 7 studies, 398 participants; 3 low-risk studies, 223 participants) at the end of treatment (SMD −0.40; 95% CI [−0.62, −0.18]; P = 0.0004; I2 = 15%). No effect was seen at the end of treatment for depressive symptoms and tender point count (TPC).BT in mineral/thermal water (5 studies, 177 participants; 3 high-risk and 2 unclear risk studies) showed moderate evidence for a medium-to-large size reduction in pain and TPC at the end of treatment: SMD −0.84; 95% CI [−1.36, −0.31]; P = 0.002; I2 = 63% and SMD −0.83; 95% CI [−1.42, −0.24]; P = 0.006; I2 = 71%. After sensitivity analysis, and excluding one study, the effect size for pain decreased: SMD −0.58; 95% CI [−0.91, −0.26], P = 0.0004; I2 = 0. Moderate evidence is given for a medium improvement of HRQOL (SMD −0.78; 95% CI [−1.13, −0.43]; P < 0.0001; I2 = 0%). A significant effect on depressive symptoms was not found. The improvements for pain could be maintained at follow-up with smaller effects.ConclusionsHigh-quality studies with larger sample sizes are needed to confirm the therapeutic benefit of BT and HT, with focus on long-term results and maintenance of the beneficial effects.
BackgroundDespite advances in the treatment of depression, one-third of depressed patients fail to respond to conventional antidepressant medication. There is a need for more effective treatments with fewer side effects. The primary aim of this study was to determine whether hyperthermic baths reduce depressive symptoms in adults with depressive disorder.MethodsRandomized, two-arm placebo-controlled, 8-week pilot trial. Medically stable outpatients with confirmed depressive disorder (ICD-10: F32/F33) who were moderately depressed as determined by the 17-item Hamilton Scale for Depression (HAM-D) score ≥18 were randomly assigned to 2 hyperthermic baths (40 °C) per week for 4 weeks or a sham intervention with green light and follow-up after 4 weeks. Main outcome measure was the change in HAM-Dtotal score from baseline (T0) to the 2-week time point (T1).ResultsA total of 36 patients were randomized (hyperthermic baths, n = 17; sham condition, n = 19). The intention-to-treat analysis showed a significant (P = .037) difference in the change in HAM-Dtotal score with 3.14 points after 4 interventions (T1) in favour of the hyperthermic bath group compared to the placebo group.ConclusionsThis pilot study suggests that hyperthermic baths do have generalized efficacy in depressed patients.Trial registration DRKS00004803at drks-neu.uniklinik-freiburg.de, German Clinical Trials Register (registration date 2016-02-02), retrospectively registered.Electronic supplementary materialThe online version of this article (doi:10.1186/s12906-017-1676-5) contains supplementary material, which is available to authorized users.
Background: Magnesium sulfate has a long tradition as a laxative. It osmotically prevents water absorption in the large bowel and thus leads to an acceleration of the intestinal transit and better stool consistency. We wanted to investigate the efficacy of a carbonated calcium/magnesium sulfate-rich natural mineral water in subjects with functional constipation (FC). Patients and Methods: In this double-blind, randomized, placebo-controlled study, subjects with FC (Rome III criteria) received 1 l/day (4 × 250 ml) of mineral water (Ensinger Schiller Quelle) or carbonated tap water (placebo) for 6 weeks. The primary endpoint was the change in the frequency of bowel movements per week between baseline and visit 4 (after 6 weeks). The prespecified main secondary endpoint was the change in the frequency of bowel movements per week between baseline and visit 3 (after 3 weeks). Results: Efficacy was analyzed in 100 subjects (intention-to-treat). After 6 weeks of treatment there was no statistical difference between the groups (p = 0.163). However, statistical significance was reached after 3 weeks, with an increase in the frequency of bowel movements per week of 2.02 ± 2.22 for the mineral water group compared to 0.88 ± 1.67 for the placebo group (p = 0.005). Conclusions: A 3-week treatment with 1 l/day of the sulfate-rich mineral water improved the frequency of bowel movements in subjects with FC compared with tap water; however, the difference was no longer significant after 6 weeks. Further evaluation in rigorously designed clinical studies will be necessary to validate the impact of sulfate-rich natural mineral water on FC.
We aim to present an overview of the possible influence of drinking water in general and mineral water in particular in improving glycemic parameters in persons with or without type 2 diabetes. We performed a literature search that produced 15 randomized controlled trials (RCTs) on this topic with mainly small sample sizes. We also discuss relevant observational and animal studies as well as the effects of important supplements in mineral water such as hydrogencarbonate and magnesium. There is low evidence for the positive effects of water or mineral water in improving glycemic parameters in diabetic and non-diabetic persons, and the results are heterogenous, making it difficult to reach an unequivocal conclusion. Meta-analyses of prospective cohort studies and other observational studies, studies with animal models and interventional studies using hydrogencarbonate and magnesium supplements suggest a probable positive effect of drinking water and mineral water in particular on glycemic parameters, supporting the positive results found in some of the RCTs, especially those substituting diet beverages or caloric beverages with water, or those using bicarbonate and magnesium-rich water. Regarding the high prevalence, the associated suffering and the resulting health expenditures of type 2 diabetes, it is imperative to conduct larger and more rigorous trials to answer the question whether drinking water or mineral water can improve glycemic parameters in diabetic and non-diabetic persons.People who don't drink sugar sweetened beverages tend to have higher quality diets and do not compensate for sugar or energy deficits by consuming more sugary foods [7].A nutrition survey examining the relationship between the quantity of water taken in and HbA1c in 1035 participants calculated that an increase of 240 mL in daily water intake reduces the risk of elevated HbAc1 >5.5% by 22% in men but not in women [8].A review of 134 randomized controlled trials (RCTs), where water consumption was increased right before or during a meal, showed heterogenic effects on energy intake, energy expenditure, fat oxidation and weight change [9].Moreover, mineral nutrients such as bicarbonate [10] and magnesium [11], in particular, are thought to affect glucose metabolism. An increased dietary acid load is associated with the development of insulin resistance [12], while a pre-existing diabetes favors acidosis, which, in turn, leads to increased insulin resistance [13].Drinking recommendations are less common and detailed than food recommendations [3,14], and there is little scientific evidence, and, to our knowledge, no review of RCTs on drinking water and its influence on glycemic parameters, respectively type 2 diabetes.This review aims to explore to what extent drinking water with low or high mineralization for at least four weeks influences glycemic parameters in healthy or type 2 diabetes participants in daily life situations as compared with other drinks. The results of the RCTs found in the literature search will be discussed alongsid...
We aim to present an overview of the possible influence of drinking water in general and mineral water in particular in improving glycemic parameters in persons with or without type 2 diabetes. We performed a literature search that produced 15 randomized controlled trials (RCTs) on this topic with mainly small sample sizes. We also discuss relevant observational and animal studies as well as the effects of important supplements in mineral water such as hydrogencarbonate and magnesium. There is low evidence for the positive effects of water or mineral water in improving glycemic parameters in diabetic and non-diabetic persons, and the results are heterogenous, making it difficult to reach an unequivocal conclusion. Meta-analyses of prospective cohort studies and other observational studies, studies with animal models and interventional studies using hydrogencarbonate and magnesium supplements suggest a probable positive effect of drinking water and mineral water in particular on glycemic parameters, supporting the positive results found in some of the RCTs, especially those substituting diet beverages or caloric beverages with water, or those using bicarbonate and magnesium-rich water. Regarding the high prevalence, the associated suffering and the resulting health expenditures of type 2 diabetes, it is imperative to conduct larger and more rigorous trials to answer the question whether drinking water or mineral water can improve glycemic parameters in diabetic and non-diabetic persons.
BackgroundCardiovascular diseases are a main cause of mortality worldwide. Spa bathing and immersion in thermoneutral water (ITW) have a long history in the treatment of cardiovascular risk factors.MethodsWe conducted a three-arm parallel-group, randomized controlled study to investigate the effects of frequent ITW on moderately elevated blood pressure (BP). Here, we report on the secondary outcomes, i.e. the influence of immersion in thermoneutral water on further cardiovascular risk factors: body mass index (BMI), waist circumference, blood lipids, fasting blood glucose and C-reactive protein. Patients (age 57.6 ± 9.6 years, BMI 29.5 ± 5.7 kg/m2) with mild to moderately elevated BP received ITW for 45–60 min in pools of thermal-mineral water at 34.0–36.0 °C four times a week for 4 weeks. One group (Bath1) reduced the intensity to one bath a week for a further 20 weeks, while the other group (Bath2) continued bathing four times a week. The control group was instructed to relax for 45–60 min four times a week for 24 weeks using a relaxation CD.ResultsThe secondary analysis of the intention-to-treat population (N = 59) did not show a significant reduction of BMI, waist circumference, blood lipids, fasting blood glucose or C-reactive protein in patients with a mild to moderately elevated BP after 4 and 24 weeks ITW, respectively. There were no significant differences between the groups.ConclusionThus, we did not find evidence to support our ITW program being an efficacious intervention to induce cardiovascular alterations in this population of hypertensive patients.Trial registrationDRKS00003980 at drks-neu.uniklinik-freiburg.de, German Clinical Trials Register (registration date 2012-07-10).Electronic supplementary materialThe online version of this article (doi:10.1186/s12906-016-1241-7) contains supplementary material, which is available to authorized users.
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