The development factor of deep vein thrombosis and the prevention care method in the critical care

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The purpose of this study is to clarify DVT generation status and the factor in the critical care settings, and verifying the effect of the leg massage and the foot-bath. The healthy people were classified into three groups. Two groups had heated towels wrapped around their lower legs (the foot-bath), one impregnated with aromatic oil massage and one without ; and the last group had no intervention. They were placed in an artificial stress-induced environment. Research was done by crossover design. Two kinds of equipment were used to measure brain metabolic activity, autonomic nerve activity, and thermal effects, whilst a questionnaire measured psychological changes. In the subjects using aromatic hot towels, there were effects on nervous activity and cerebral blood flow was increased by stimulating olfaction. Furthermore, a time difference was seen between the reduction of sympathetic nerve activity and the activation of parasympathetic activity. The heat also slow raised the temperature. The results indicated that the therapy with aromatic heat applied to the peripheral-circulation of the legs also reduced stress such as psychological tension and anxiety. This therapy may have a clinical application for patients in areas such as intensive care, to help prevention of the DVT and help them relax.