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作者以10例慢性呼衰患者(男7例,女3例,平均年龄71岁;其中陈旧性肺结核7例,肺气肿2例,肺纤维化1例)为观察对象,检测安静以及步行、就餐、排尿、排使、刷牙等日常活动时和睡眠时动脉血氧饱和度(SaO_2)的变化。结果发现,步行、就餐、刷牙、排尿、排便及睡眠时SaO_2平均下降值分别为9%(P<0.01)、7%(P<0.02)、7%(P<0.05)、4%(P<0.001)、8%(P<0.03)、9%(P<0.001),与安静时比较均有显著性差异;上述各种日常活动时SaO_2的下降值相互之间均呈显著正相关,也与睡眠时SaO_2的下降值呈显著的正相关。各种日常活动时SaO_2的下降值与安静时SaO_2均呈显著
The authors of 10 cases of chronic respiratory failure patients (7 males and 3 females, mean age 71 years; of which 7 cases of old tuberculosis, emphysema in 2 cases, 1 case of pulmonary fibrosis) as the observation object, the detection of quiet and walking, Changes in arterial oxygen saturation (SaO_2) during daily activities such as eating, urinating, excretion, brushing, and sleep. The results showed that the average value of SaO_2 decreased 9% (P <0.01), 7% (P <0.02), 7% (P <0.05) and 4% respectively during walking, eating, brushing, urination, defecation and sleep 0.001), 8% (P <0.03), 9% (P <0.001), respectively. There was a significant positive correlation between the decrease of SaO_2 and the decrease of SaO_2 in all kinds of daily activities, There was a significant positive correlation between the fall of SaO_2 during sleep. The decrease of SaO_2 and SaO_2 in all kinds of daily activities are significant