The use of radon baths in the rehabilitation of patients with osteochondrosis.

OBJECTIVE: One of the most common methods of rehabilitation for this disease is balneotherapy. Radon therapy is one of the types of balneotherapy based on radon radiation (Rn) for therapeutic, prophylactic, and rehabilitation purposes. A significant number of authors report a positive effect of radon baths on the condition of patients with osteochondrosis. Some authors report the absence of a real therapeutic effect when using radon therapy. The work aimed at investigating the therapeutic efficacy of radon baths in patients suffering from osteochondrosis. PATIENTS AND METHODS: We examined 40 patients with osteochondrosis of various parts of the spine with radicular syndrome. The patients were randomly divided into two groups of 20 people with an equal number of men and women. The study group received a course of balneotherapy using radon water (general baths at a temperature of 34-36°C, duration 10-15 minutes, every other day, No. 10). The control group received balneotherapy using ordinary tap water in the same regimen to decrease placebo effects. RESULTS: Decreased pain and movement difficulties were observed only in the study group. These changes refer only to the spine but not to the joints of the extremities. CONCLUSIONS: Our studies have shown that using radon baths helps to reduce pain and increase the mobility of the spine in patients with osteochondrosis. These data substantiate the prospects for further research of this technique in the complex rehabilitation of osteochondrosis.

Sustained improvements in EQ-5D utility scores and self-rated health status in patients with ankylosing spondylitis after spa treatment including low-dose radon - an analysis of prospective radon indication registry data.

BACKGROUND: Patients with ankylosing spondylitis (AS) have significantly lower quality of life (QoL) than the general population. Holistic interventions addressing QoL comprise spa- or balneotherapy including radon. These interventions have shown to be beneficial in reducing pain and improving QoL in AS-patients. We explored the association of spa-therapy including low-dose radon with QoL in AS-patients over an extended time period. METHODS: Registry data collected for the "Radon indication registry" in the Austrian Gastein valley comprising data on QoL (EuroQol EQ-5D) directly before the treatment (baseline), directly(t1), 3 (t2); 6(t3) and 9(t4) months after the treatment, age, sex and body mass index (BMI) were analysed. Linear regression models explored the association of measurement time with 1) EQ-5D-5L utilities and 2) EuroQol visual analogue scale (VAS) score. Alterations of 0.05 (utilities) and 5.00 (VAS) were considered clinically relevant. RESULTS: Two-hundred-ninety-one AS-patients were included in the analyses. Forty-four percent (n = 128) were women, the mean age was 52 (SD 10) and the average BMI was 26 (SD 4). Utilities (t1: 0.09 [0.07;0.11]; t2: 0.08 [0.06; 0.10]; t3: 0.06 [0.05;0.09]; t4: 0.04 [0.02;0.06]) and VAS (t1: 11.68 [9.38; 13.97]; t2: 12.20 [9.78; 14.61]; t3: 9.70 [7.24; 12.17]; t4: 6.11 [3.57; 8.65]) were significantly higher at all timepoints compared to baseline. Improvements were clinically relevant at all timepoints in case of the VAS and until 6 months after treatment for the utilities. CONCLUSION: AS-patients who received spa therapy including radon show significantly and clinically relevant improvements in Qol until 6-9 months after treatment.

Impact of radon and combinatory radon/carbon dioxide spa on pain and hypertension: Results from the explorative RAD-ON01 study.

OBJECTIVES: Therapies with low doses of radon have beneficial effects on patients suffering from chronic painful degenerative and inflammatory diseases. We already showed that this is accompanied by systemic immune modulations. We here focus on pain-reducing effects of very low doses of radon by adding carbon dioxide water and its impact on heart rate variability (HRV), blood pressure and free radicals. METHODS: 97 of 103 patients receiving radon spa (1.200 Bq/l at 34 °C or 600 Bq/l, 1 g/l CO2 at 34 °C) were monitored before and at three different time points after therapy. Individual pain perception was analyzed and the capability to process radicals. At each time point, the hypertensive patients (n = 46) were examined over 24 h for blood pressure and HRV. RESULTS: Long-term pain reduction was observed in the majority of patients. A modulation of superoxide dismutase was identified, presumably representing a priming effect for lowering radiation stress. Further, lowering of blood pressure, especially in those patients who additionally received carbon dioxide, was seen. Radon did in particular impact on HRV implying lasting relaxation effects. CONCLUSION: Radon/carbon dioxide spa efficiently reduces pain. In particular, patients simultaneously suffering from painful and cardiovascular diseases should be treated by combination of radon and CO2.

COMPLEX STUDY OF MEDICINAL PROPERTIES OF RADON IN MINERAL WATER OF TSKALTUBO AND ORAL CAVITY MINERALIZATION RECOVERY IN PATIENTS WITH PERIODONTITIS.

Supersaturation of hydroxyapatite is very important in order to preserve the homeostasis of mineral metabolism in the oral cavity. This indicates to the ability of saliva to preserve the homeostasis of the tooth tissues. So it is very important to use inhalations and rinses with Tskhaltubo mineral water. It is the alpha radiation of radon contained in the water of Tskhaltubo that plays a very important role in the regulation of inflammatory processes and the preservation of homeostasis of the oral cavity. A lot of works have been published lately proving that these doses are characterized by the so-called "hormesis", so the object of our interest is to determine the mechanism of radon hormesis and its effects on preserving the homeostasis of mineral metabolism in the oral cavity. Inhalation with mineral water of Tskhaltubo and its use for rinsing in case of parodontitis leads to decrease and ultimately elimination of the developed inflammatory processes. Tests were conducted on 150 volunteers, 120 of which were sick and 30 were practically healthy (control). As a result of the research it was established that inhalations with mineral water of Tskhaltubo and its use for rinsing in case of parodontitis leads to decrease and ultimately elimination of the developed inflammatory processes of the oral cavity. The unique properties of the mineral water of Tskhaltubo are an important component of the treatment of parodontitis at the initial stage of the disease.

The assessment of the integrated antioxidant system of the body and the phenomenon of spa reaction in the course of radon therapy: A pilot study.

BACKGROUND: Spa reaction is an adaptive response of an organism, emerging as a result of external factors. It is a positive element of spa therapy leading to metabolic changes, which are important for the body. The effect of these changes is an increase in immune activity and regenerative reactions of the body. The mechanism of the response is not fully known. OBJECTIVES: The aim of the study was to evaluate the changes observed in the field of the integrated antioxidant system of the body in the course of radon therapy, especially in reference to spa reaction. MATERIAL AND METHODS: The study was conducted in the health resort in Swieradów-Zdrój. The observation regarded patients undergoing treatment with radon water. Before the treatment, after 5 and 18 days of treatment, the total antioxidant status (TAS) was evaluated with the use of a standard colorimetric assay. The study group consisted of 35 patients with degenerative joints and disc disease. The control group consisted of 15 people selected from the employees of the spa, also suffering from osteoarthritis, who did not undergo radon therapy (without contact with radon). RESULTS: On the 5th day of the treatment, in both groups, the TAS increase was observed with significantly worse results in the control group. After the treatment, in the study group, there was observed an increase in TAS, whereas in the control group, a significant decrease in the TAS concentration was noted. CONCLUSIONS: A beneficial effect of radon treatments on the growth of TAS in the body of the patients treated in the spa was demonstrated. The increase in the TAS concentration on the 5th day of treatment may indicate the relationship between these changes and the phenomenon of spa response. The changes are a result of low doses of ionizing radiation originating from radon dissolved in medicinal water, used in the course of the therapy.

The Assessment of the Integrated Antioxidant System of the Body in the Course of Radon Therapy: A Pilot Study.

INTRODUCTION: The sources of Reactive Oxidative Species (ROS) in the organism are the respiratory processes occurring in cells catalyzed by different enzymes. Operation of ROS is balanced by antioxidants, the compounds; although present in low concentrations, they significantly inhibit the degree of oxidation of particular molecules. THE AIM OF THE STUDY: The aim of this study was to assess the changes in the integrated antioxidant system under the influence of radon therapy in osteoarthritis patients. MATERIAL AND METHODS: Observation included 35 patients suffering from degenerative joints and disc disease (mean age 56.5 years) undergoing radon water therapy and control group that consisted of 15 osteoarthritis patients (mean age 54.2) without contact with radon water. Before therapy and after 18 days of treatment, serum total antioxidant status (TAS) was assessed with the use of standard colorimetric assay. RESULTS: In the study group, we observed trends to increase TAS concentration, whereas, in the control group, TAS concentration was decreasing. CONCLUSIONS: (1) Radon waters treatment influenced the level of TAS of osteoarthritis patients treated with the radon water. (2) The change in TAS concentrations in the study group may be the result of low doses of ionizing radiation, but further studies on larger patient's groups are demanded. This study is registered with number NCT03274128.

Radon-enriched hot spring water therapy for upper and lower respiratory tract inflammation.

Background Radon-222-enriched hot spring therapy, which is characterized by a safe level of radioactivity, is used for the treatment of rheumatic disorders, and its efficacy has already been studied in several clinical trials. Radon-water inhalation therapy for the treatment of upper and lower airway inflammatory diseases is used in many hot springs centers. However, its application has not been reviewed to date. Methods We systematically searched the PubMed and Scopus databases for clinical trials published in the last 20 years in which objective parameters of upper and lower airway function had been tested before and after radon-enriched inhalation treatment. Results Four prospective studies were found: 1 asthma trial, 1 placebo-controlled chronic rhinosinusitis trial, 1 upper respiratory tract inflammation with nasal obstruction trial, and 1 case-control allergic rhinitis trial. Patients were treated with nasal inhalations of radon-enriched water for 12 to 28 days and were assessed at baseline and after therapy. After 2 weeks of treatment, nasal resistance decreased, flow increased, mucociliary clearance was enhanced, ciliated-to-muciparous cell ratio increased, and %FEV1 increased in asthmatic patients. Conclusion Radon-enriched inhalation therapy improves objective indicators of nasal function in allergic rhinitis and chronic rhinosinusitis, and causes relief of pulmonary obstruction in asthma.

The impact of serial radon and hyperthermia exposure in a therapeutic adit on pivotal cytokines of bone metabolism in rheumatoid arthritis and osteoarthritis.

Secondary osteoporosis is a frequent complication of rheumatoid arthritis (RA) and the result of an imbalance of catabolic and anabolic mechanisms of bone metabolism. The effects of serial low-dose radon and hyperthermia (LDRnHT) exposure in a therapeutic adit (12 applications in 3 weeks) on the serum levels of the cytokines osteoprotegerin (OPG), receptor activator of NF kappa-B ligand (RANKL), tumor necrosis factor-α (TNF-α), and also on the RANKL/OPG ratio were investigated in 25 RA patients and an age-matched control of 24 patients with osteoarthritis (OA). Cytokine measurements were performed at baseline and after completion of LDRnHT. Anti-CCP antibodies (ACPA) were measured in RA patients in parallel. Medication in both groups was limited to non-steroidal anti-inflammatory drugs, and low-dose prednisolone (16 of 24 RA patients) as needed. RA and OA patients showed a significant decrease of TNF-α levels (p < 0.001). Both groups showed significantly decreased levels of RANKL (RA: p < 0.001, OA: p < 0.01). Only the RA patients presented a significant increase of OPG (p < 0.01) and decrease of the RANKL/OPG ratio (p < 0.01), and the ACPA levels (p < 0.001). LDRnHT results in a reduction of osteocatabolic and an increase of osteoanabolic cytokines, which represents the molecular basis for inhibiting osteoclastic activity in secondary osteoporosis and explains in part the effect of LDRnHT this physical therapy modality in a key inflammatory disease. Although reduced ACPA levels were observed under the therapy and although this could potentially contribute to an osteoprotective effect, in this case, it is rather uncertain as the reduction was only minor in magnitude.

Difference in the action mechanism of radon inhalation and radon hot spring water drinking in suppression of hyperuricemia in mice.

Although radon therapy is indicated for hyperuricemia, the underlying mechanisms of action have not yet been elucidated in detail. Therefore, we herein examined the inhibitory effects of radon inhalation and hot spring water drinking on potassium oxonate (PO)-induced hyperuricemia in mice. Mice inhaled radon at a concentration of 2000 Bq/m(3) for 24 h or were given hot spring water for 2 weeks. Mice were then administrated PO at a dose of 500 mg/kg. The results obtained showed that serum uric acid levels were significantly increased by the administration of PO. Radon inhalation or hot spring water drinking significantly inhibited elevations in serum uric acid levels through the suppression of xanthine oxidase activity in the liver. Radon inhalation activated anti-oxidative functions in the liver and kidney. These results suggest that radon inhalation inhibits PO-induced hyperuricemia by activating anti-oxidative functions, while hot spring water drinking may suppress PO-induced elevations in serum uric acid levels through the pharmacological effects of the chemical compositions dissolved in it.

[The modern applications of radon therapy for the medical rehabilitation of the patients].

Radon therapy is one of the methods of physiobalneotherapy the mechanism of action of which is believed to consist of the influence of the small radiation doses of radon and its daughter products on the nervous, vascular, and immune apparatuses of the skin and mucosal membranes that eventually enhances the protective and adaptive potential of the body and thereby its ability to resist pathological impacts. At present, the high effectiveness of radon therapy is universally recognized and this method is widely applied for the combined treatment of various diseases in different fields of medicine. These include (1) diseases of the musculoskeletal system and locomotor disorders in the patients presenting with recurrent rheumatic fever, reactive arthritis, ankylosing spondylitis, post-traumatic osteoarthrosis and knee joint synovitis, the sympathico-tonic course of vegetative dystonia associated with connective tissue dysplasia, etc.; (2) neurological disorders in the patients presenting with cervical dorsopathy, neurological manifedstations of degenerative lesions of the cervical and lumbar spine, etc.; (3) cardiological disorders in the patients presenting with hypertensive disease, coronary heart disease, atherosclerosis of different localization, etc.; (4) gastrointestinal disorders in the patients presenting with gastric and duodenal ulcers, irritated bowel syndrome, etc.; (5) gynecological problems in the patients presenting with primary and secondary dysmenorrhea, genital endometriosis, uterine myoma, dysregulated reproductive function, polycystic ovary - syndrome, polycystic ovary syndrome and ovulatory disorders of proinflammatory origin, etc.

Cuando el radón es beneficioso para la salud / When radon is beneficial to health

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¿Puede ser saludable un carcinógeno humano reconocido como el radón? / Can a recognized human carcinogen such as radon be healthy?

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Balneotherapy (or spa therapy) for rheumatoid arthritis.

BACKGROUND: No cure for rheumatoid arthritis (RA) is known at present, so treatment often focuses on management of symptoms such as pain, stiffness and mobility. Treatment options include pharmacological interventions, physical therapy treatments and balneotherapy. Balneotherapy is defined as bathing in natural mineral or thermal waters (e.g. mineral baths, sulphur baths, Dead Sea baths), using mudpacks or doing both. Despite its popularity, reported scientific evidence for the effectiveness or efficacy of balneotherapy is sparse. This review, which evaluates the effects of balneotherapy in patients with RA, is an update of a Cochrane review first published in 2003 and updated in 2008. OBJECTIVES: To perform a systematic review on the benefits and harms of balneotherapy in patients with RA in terms of pain, improvement, disability, tender joints, swollen joints and adverse events. SEARCH METHODS: We searched the Cochrane 'Rehabilitation and Related Therapies' Field Register (to December 2014), the Cochrane Central Register of Controlled Trials (2014, Issue 1), MEDLIINE (1950 to December 2014), EMBASE (1988 to December 2014), the Cumulative Index to Nursing and Allied Health Literature (CINAHL) (1982 to December 2014), the Allied and Complementary Medicine Database (AMED) (1985 to December 2014), PsycINFO (1806 to December 2014) and the Physiotherapy Evidence Database (PEDro). We applied no language restrictions; however, studies not reported in English, Dutch, Danish, Swedish, Norwegian, German or French are awaiting assessment. We also searched the World Health Organization (WHO) International Clinical Trials Registry Platform for ongoing and recently completed trials. SELECTION CRITERIA: Studies were eligible if they were randomised controlled trials (RCTs) consisting of participants with definitive or classical RA as defined by the American Rheumatism Association (ARA) criteria of 1958, the ARA/American College of Rheumatology (ACR) criteria of 1988 or the ACR/European League Against Rheumatism (EULAR) criteria of 2010, or by studies using the criteria of Steinbrocker.Balneotherapy had to be the intervention under study, and had to be compared with another intervention or with no intervention.The World Health Organization (WHO) and the International League Against Rheumatism (ILAR) determined in 1992 a core set of eight endpoints in clinical trials concerning patients with RA. We considered pain, improvement, disability, tender joints, swollen joints and adverse events among the main outcome measures. We excluded studies when only laboratory variables were reported as outcome measures. DATA COLLECTION AND ANALYSIS: Two review authors independently selected trials, performed data extraction and assessed risk of bias. We resolved disagreements by consensus and, if necessary, by third party adjudication. MAIN RESULTS: This review includes two new studies and a total of nine studies involving 579 participants. Unfortunately, most studies showed an unclear risk of bias in most domains. Four out of nine studies did not contribute to the analysis, as they presented no data.One study involving 45 participants with hand RA compared mudpacks versus placebo. We found no statistically significant differences in terms of pain on a 0 to 100-mm visual analogue scale (VAS) (mean difference (MD) 0.50, 95% confidence interval (CI) -0.84 to 1.84), improvement (risk ratio (RR) 0.96, 95% CI 0.54 to 1.70) or number of swollen joints on a scale from 0 to 28 (MD 0.60, 95% CI -0.90 to 2.10) (very low level of evidence). We found a very low level of evidence of reduction in the number of tender joints on a scale from 0 to 28 (MD -4.60, 95% CI -8.72 to -0.48; 16% absolute difference). We reported no physical disability and presented no data on withdrawals due to adverse events or on serious adverse events.Two studies involving 194 participants with RA evaluated the effectiveness of additional radon in carbon dioxide baths. We found no statistically significant differences between groups for all outcomes at three-month follow-up (low to moderate level of evidence). We noted some benefit of additional radon at six months in terms of pain frequency (RR 0.6, 95% CI 0.4 to 0.9; 31% reduction; improvement in one or more points (categories) on a 4-point scale; moderate level of evidence) and 9.6% reduction in pain intensity on a 0 to 100-mm VAS (MD 9.6 mm, 95% CI 1.6 to 17.6; moderate level of evidence). We also observed some benefit in one study including 60 participants in terms of improvement in one or more categories based on a 4-point scale (RR 2.3, 95% CI 1.1 to 4.7; 30% absolute difference; low level of evidence). Study authors did not report physical disability, tender joints, swollen joints, withdrawals due to adverse events or serious adverse events.One study involving 148 participants with RA compared balneotherapy (seated immersion) versus hydrotherapy (exercises in water), land exercises or relaxation therapy. We found no statistically significant differences in pain on the McGill Questionnaire or in physical disability (very low level of evidence) between balneotherapy and the other interventions. No data on improvement, tender joints, swollen joints, withdrawals due to adverse events or serious adverse events were presented.One study involving 57 participants with RA evaluated the effectiveness of mineral baths (balneotherapy) versus Cyclosporin A. We found no statistically significant differences in pain intensity on a 0 to 100-mm VAS (MD 9.64, 95% CI -1.66 to 20.94; low level of evidence) at 8 weeks (absolute difference 10%). We found some benefit of balneotherapy in overall improvement on a 5-point scale at eight weeks of 54% (RR 2.35, 95% CI 1.44 to 3.83). We found no statistically significant differences (low level of evidence) in the number of swollen joints, but some benefit of Cyclosporin A in the number of tender joints (MD 8.9, 95% CI 3.8 to 14; very low level of evidence). Physical disability, withdrawals due to adverse events and serious adverse events were not reported. AUTHORS' CONCLUSIONS: Overall evidence is insufficient to show that balneotherapy is more effective than no treatment, that one type of bath is more effective than another or that one type of bath is more effective than mudpacks, exercise or relaxation therapy.

Radon balneotherapy and physical activity for osteoporosis prevention: a randomized, placebo-controlled intervention study.

Low-dose radon hyperthermia balneo treatment (LDRnHBT) is applied as a traditional measure in the non-pharmacological treatment of rheumatic diseases in Europe. During the last decades, the main approach of LDRnHBT was focused on the treatment of musculoskeletal disorders, but scientific evidence for the biological background of LDRnHBT is weak. Recently, evidence emerged that LDRnHBT influences bone metabolism. We investigated, whether combined LDRnHBT and exercise treatment has an impact on bone metabolism and quality of life in a study population in an age group at risk for developing osteoporosis. This randomized, double-blind, placebo-controlled trial comprised guided hiking tours and hyperthermia treatment in either radon thermal water (LDRnHBT) or radon-free thermal water (PlaceboHBT). Markers of bone metabolism, quality of life and somatic complaints were evaluated. Statistics was performed by linear regression and a linear mixed model analysis. Significant changes over time were observed for most analytes investigated as well as an improvement in self-assessed health in both groups. No significant impact from the LDRnHBT could be observed. After 6 months, the LDRnHBT group showed a slightly stronger reduction of the osteoclast stimulating protein receptor activator of nuclear kB-ligand compared to the PlaceboHBT group, indicating a possible trend. A combined hyperthermia balneo and exercise treatment has significant immediate and long-term effects on regulators of bone metabolism as well as somatic complaints. LDRnHBT and placeboHBT yielded statistically equal outcomes.

[The long-term results of the application of the combined rehabilitative treatment in the patients presenting with knee osteoarthrosis].

UNLABELLED: The rehabilitative treatment of the patients suffering from knee osteoarthrosis (OA) up-to-date remains one of the most important medical and social problems of modern medicine due to the high prevalence of this disease, heavy morbidity, and the significant deterioration of the quality of the patients' life. The objective of the present study was to evaluate the long-term results of the combined application of radon and extracorporeal shock-wave therapy for the rehabilitation of the patients presenting with knee OA. PATIENTS AND METHODS: The study involved 75 patients at the age from 35 to 62 years with the confirmed diagnosis of stage II and III knee osteoarthrosis. They were divided into 3 groups. Those comprising the main group received extracorporeal shock-wave therapy in combination with the treatment based on the use of radon baths. The patients included in the group of comparison were given a course of radon therapy alone while the patients of the control group received the standard treatment including physiotherapy, magnetic therapy, and the use of non-steroidal anti-inflammatory drugs (NSAIDs). RESULTS: The study has demonstrated the high effectiveness of the combined application of the radon baths and extracorporeal shock-wave therapy that was manifested as the substantial decrease of pain intensity, the increased range of motion in the knee joints, and the improvement of the general quality of life. These beneficial effects persisted during a period of up to 12 months. The stable remission was documented in 82% of the patients comprising the main group. CONCLUSION: The data obtained give reason to recommend the method employed in the present study for the extensive practical application at different stages of medical rehabilitation of the patients presenting with knee osteoarthrosis.

[The results of the combined application of extracorporeal shock-wave therapy and radon baths during the rehabilitative treatment of the patients presenting with gonarthrosis].

UNLABELLED: Osteoarthritis (OA) is one of the leading diseases of the musculoskeletal system and the main cause of arthritic joint damage. AIM: The objective of the present study was to evaluate the effectiveness of the combined application of radon baths and shock-wave therapy in the patients suffering from knee OA. PATIENTS AND METHODS: The study involved 75 patients at the age of 35 to 62 years with the confirmed diagnosis of stage II and III gonarthrosis; they were divided into 3 groups. The patients of the main group received the combined treatment including extracorporeal shock-wave therapy and radon baths The patients comprising the group of comparison were given the course of radon therapy alone while those in the control group were offered the standard treatment including physiotherapy, magnetic therapy, and NSAIDs. RESULTS: The study has demonstrated the high effectiveness of the combined application of the radon baths and extracorporeal shock-wave therapy for the rehabilitation of the patients with deforming arthrosis of the knee that was apparent from the substantial decrease of pain syndrome, the increase of the range of motions in the knee joints, and the overall improvement of the quality of life. These beneficial changes persisted for a period of up to 6 months. CONCLUSION: The results of the present study give reason to recommend the proposed method of the remedial treatment for the wide practical application as a component in the framework of the medical rehabilitation programs.

[Patients' exposure to electromagnetic fields and radon in radon spas]. / Ekspozycja kuracjuszy na pola elektromagnetyczne i radon w uzdrowiskach radonoleczniczych.

BACKGROUND: Many patients of physiotherapeutic facilities using therapeutic radon are also referred to other treatments involving the use of electromagnetic field (EMF). However, in the light of the theory of EMF influence on free radicals, it is still an open question whether, application of EMF shortly after the radon treatment may alter the biological effects of radon or EMF. The aim of the study was to determine how large is the group of patients exposed to radon and EMF in Poland, and how high is the exposure of these patients to analyzed factors. The results of the study are to be used in the future assessment of the combined effects of radon and EMF in radon spas. MATERIAL AND METHODS: Based on the statistical data and interviews held in the major Polish radon spas, the analysis of treatment structure was performed and exposure to radon and EMF was assessed by measuring radon concentrations and characteristic values of exposure to EMF. RESULTS: More than 8000 people per year are subjected to combined exposure to radon and EMF. Significant differences were found between measured radon concentrations (they ranged from approximately 61 kBq/m3 for inhalations with inhaler to only 290 Bq/m3 for graduation towers, p = 0.049) and EMF intensities corresponded to those observed in hazardous and dangerous zones for occupational exposure. CONCLUSIONS: The results of the study showed significant differences between radon concentrations during various radon treatments. There is a need to develop clear and universal procedures for the application of radon or radon combined with EMF in radon spas. The effects of patients' exposure to radon, especially combined with EMF need to be further studied.

Long-term benefits of radon spa therapy in rheumatic diseases: results of the randomised, multi-centre IMuRa trial.

In chronic rheumatic diseases, recent treatment regimens comprise multimodal concepts including pharmacologic, physical/exercise, occupational and psychological therapies. Rehabilitation programmes are used for long-term management of disease. Spa therapy is often integrated in various middle and south European and Asian countries. Here, we investigated radon spa therapy as applied in health resorts compared to a control intervention in rheumatic out-patients. Randomised, blinded trial enroling 681 patients [mean age 58.3 (standard deviation 11.1); female 59.7%] in 7 health resorts in Germany and Austria with chronic back pain (n 1 = 437), osteoarthritis (OA) (n 2 = 230), rheumatoid arthritis (n 3 = 98), and/or ankylosing spondylitis (n 4 = 39); multiple nominations in 146 cases). Outcomes were pain (primary), quality of life, functional capacity, and medication measured before start, after end of treatment, and 3 times thereafter in 3 monthly intervals. Adverse events were documented. To analyse between-group differences, repeated-measures analysis of covariance was performed in metric endpoints and Fisher's exact test in rates. Two-sided significance level of 5% was chosen. Until end of follow-up, superiority of radon therapy was found regarding pain relief (p = 0.032) and analgesic drug consumption (p = 0.007), but not regarding quality of life. Functional capacity was assessed specific to the underlying indication. Significant benefits were found in radon-treated OA patients until 6-month follow-up (p = 0.05), but not until end of study (p = 0.096). Neither the back pain sub-population nor the two smaller patient populations with inflammatory indications benefited significantly in functional capacity. Results suggest beneficial analgesic effects of radon spa therapy in rheumatic diseases until 9 months post-intervention.

[Magnetotherapy in the combined health resort-based treatment of irritated bowel syndrome].

The authors describe a combined method for the treatment of irritated bowel syndrome with the use of magnetotherapy, drinking mineral waters, and radon baths. It was shown that prescription of preformed physical factors improves the psycho-emotional status of the patients due to normalization of the motor-evacuative function of the gastrointestinal tract. The overall result of this therapeutic modality is the improvement of the quality of life of the patients.

Comparison of urinary excretion of radon from the human body before and after radon bath therapy.

Theoretically, the human body absorbs radon through the lungs and the skin and excretes it through the lungs and the excretory organs during radon bath therapy. To check this theory, the radon concentrations in urine samples were compared before and after radon bath therapy. During the therapy, the geometric mean (GM) and the geometric standard deviation of the radon concentration in air and in the bath water were 979 Bq m(-3), 1.58 and 73.6 Bq dm(-3), 1.1, respectively. Since radon was detected in each urine sample (GM around 3.0 Bq dm(-3)), urinary excretion of radon was confirmed. The results of this study can neither reject nor confirm the hypothesis of radon absorption through the skin. A 15 times higher increment of inhaled radon level did not cause significant changes in radon of urine samples.