Phytobalneotherapy (hay bath) with Graminis flos vs. hydrotherapy: A prospective cross-over study
Background and aim
Phytobalneotherapy with Graminis flos (hay bath) is being used more frequently in the areas of prevention, clinical treatment and rehabilitation in Southern Germany and Austria. However, there are only a few studies investigating the effects of the hay bath.
Methods
In a prospective cross-over study we randomized healthy subjects into two groups, each receiving one hour of treatment in either a traditional hay bath or a warm bath (hyperthermia). The two groups were then investigated for differences in cardiovascular parameters (blood pressure, heart rate, and sublingual temperature), subjective well-being, quality of sleep, and tolerability during the treatment.
Results
Twelve male test subjects (age 25.2±3.3 years, BMI 23.4±2.3) years were included in the study. There were no significant differences between the two groups in terms of demographic data, nor did the objective or subjective parameters reveal any significant differences between the groups. Side effects (numbness, headache) were documented by two subjects receiving hay bath.
Conclusion
When using the hay bath, potential side effects must be taken into account. In view of the increasing use of Graminis flos in phytobalneotherapy, investigations involving large groups of patients with defined illnesses are needed in order definitively to establish the effectiveness and risks of the hay bath.
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aInstitute for Social Medicine, Epidemiology and Health Economics, Charité University Medical Center, Berlin, Germany
bIMEREM, Institute for Medical Research Management and Biometric, Nuremberg, Germany
cDepartment of Medicine I, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
ABSTRACT