炭酸ガス浴の効果的処方の基礎
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Tissue partial pressure of O2 (PO2) and CO2 (PCO2) in CO2 vapour bath were measured on rabbit by means of Medical Mass Spectrometry, MEDSPECT II, Chemetron, U. S. A.Topical absorption of CO2 through the skin exposed to CO2 gas was confirmed by comparing the subcutaneous tissue PO2 and PCO2 in CO2 vapour bath with those of CO2 free head area; subcutaneous tissue PO2 and PCO2 were elevated by 92% and 48% respectively in the former, whereas subcutaneous tissue PO2 and PCO2 in the latter were found no change. Lowering of subcutaneous pH was found simultaneously with the elevation of PCO2 in CO2 vapour bath, contributing largely to the elevation of PO2 in response to CO2 accumulation.Subcutaneous tissue PCO2 reaches a saturated level in about 30 minutes regardless of each CO2 flow rate varying from 1 to 5 liters per minute. Too much application of CO2 gas is not always so effective as expected. Changes of PCO2 and PO2 were not in proportion to a rise in temperature from 33.4°C to 41.5°C on the same rabbit. It is, therefore, suggested that the optimal application of CO2 gas on rabbits is at their indifferent temperature of around 37°C.The optimal conditions for rabbits would be suggested as 1 liter of CO2 gas per minute at 37°C for 30 minutes in consideration of the side effects on both circulatory and respiratory systems.Based on the experimental data, conditions of 30 liters per minute at 40°C for 30 minutes would be recommended in clinical application of CO2 gas cabin.
- 一般社団法人 日本温泉気候物理医学会の論文
一般社団法人 日本温泉気候物理医学会 | 論文
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