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分析１０７例自发性气胸患者的胸腔气体及动脉血气。结果提示：①ＰｐＯ＿２＜５．３３ｋｐａ、ＰｐＣＯ＿２＞ＰａＣＯ＿２、ＰｐＣＯ＿２＞５．３３ｋＰａ和ＰｐＣＯ＿２／ＰｐＯ＿２＞１时，应考虑为闭合性气胸。②ＰｐＯ＿２８．００ｋＰａ左右、ＰｐＣＯ＿２≤ＰａＣＯ＿２、ＰｐＣＯ＿２＜５．３３ｋＰａ和０．１＜ＰｐＣＯ＿２／ＰｐＯ＿２＜１时，应考虑为张力性气胸。③ＰｐＯ＿２＞１３。３３ｋＰａ、ＰｐＣＯ＿２≤ＰａＣＯ＿ｑ、ＰｐＣＯ＿２＜５．３３ｋＰａ和ＰｐＣＯ＿２／ＰｐＯ＿２＜０．４时，应考虑为开放性气胸。
Thoracic gas and arterial blood gases were analyzed in 107 patients with spontaneous pneumothorax. The results suggest that ①PpO_2 <5.33kPa, PpCO_2> PaCO_2, PpCO_2> 5.33kPa and PpCO_2 / PpO_2> 1 should be considered as closed pneumothorax. ②PpO_28.00kPa or so, PpCO_2≤PaCO_2, PpCO_2 <5.33kPa and 0.1 13.33kPa, PpCO_2≤PaCO_q, PpCO_2 <5.33kPa and PpCO_2 / PpO_2 <0.4 should be considered as open pneumothorax.