肺縫縮の限度及び動脈血瓦斯に及ぼす影響に関する実験並に臨床的研究
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We obtained the following data synthetizing the results by performing extra-pleural-pneumolysis with pulmonary constriction, and measuring systematically the arterial blood gas, using a rabbit which has been caused adhesion of the pleura by talc. 1) By injecting talc colloid into the pleural cavity more than three times, we can induce a pleural adhesion by which extra-pleural pneumolysis is possible. 2) The limit of pulmonary constriction is primarily the complete constriction of one side, however, secondarily by dividing the operation it is possible to constrict nearly almost of the lung of both sides. 3) The oxygen saturation % of arterial blood decreases after the above mentioned operation at the ratio of 9 % with a one side complete constriction and becomes more remarkable as the range becomes wider, however, in both cases it begins to recover after 4 postoperative days and recovers to the preoperative value after 3 to 4 weeks. 4) When the oxygen saturation % of the arterial blood drops under 80 % dyspnea occurs, and under 70 % the prognosis becomes dangerous. We obtained the following results by measuring the arterial blood gas in cases which we performed clinically, constriction, plombage, and thoracoplastic. 1) The postoperative decreasement of the oxygen-saturation % of the arterial blood gas is slight in the range we are performing pulmonary constriction clinically. Plombage caused a little more decreasement and in thoracoplastic it is more severe especially when mediastinal flattern is severe, and the decreasement becomes remarkable. 2) When the postoperative oxygen-saturation % of the arterial blood reaches under 80 % the patient complains about dyspnea, and when under 75 % we must take considerable care and lay stress on reduction of ventilation disturbance as much as possible. 3) In cases of pulmonary constriction and plombage the oxygen-saturation % of the arterial blood recovers to the preoperative value within 3 postoperative weeks, however, in thoracoplastic it is still dropping a little after 1 to 2 months.
- 千葉大学の論文
- 1953-11-28
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- 肺縫縮の限度及び動脈血瓦斯に及ぼす影響に関する実験並に臨床的研究