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为了评价长期家庭氧疗对COPD患者肺血流动力学的影响,本文作者对95例接受长期氧疗(LTOT)的COPD患者进行了长达6年的追踪研究。95例患者中,男72例,女23例,平均年龄58±9岁,均无其它严重疾病。肺功能和肺血流动力学基础值为:FVC=2.24±0.5L,FEV_1=0.84±0.31L,PaO_2=7.33±0.80kPa(55±6mmHg),PaCO_2=6.40±1.20kPa(48±9mmHg),平均肺动脉压(mPAP)=373±1.47kPa(28±11mmHg),肺血管阻力(PVR)=353±172dync·s·
To assess the effect of long-term home oxygen therapy on pulmonary hemodynamics in COPD patients, the authors conducted a 6-year follow-up study of 95 COPD patients receiving long-term oxygen therapy (LTOT). Among 95 patients, there were 72 males and 23 females, with an average age of 58 ± 9 years. There were no other serious diseases. The baseline values for pulmonary function and pulmonary hemodynamics were: FVC = 2.24 ± 0.5L, FEV_1 = 0.84 ± 0.31L, PaO_2 = 7.33 ± 0.80kPa (55 ± 6mmHg), PaCO_2 = 6.40 ± 1.20kPa (48 ± 9mmHg) Mean pulmonary arterial pressure (mPAP) = 373 ± 1.47 kPa (28 ± 11 mmHg), pulmonary vascular resistance (PVR) = 353 ± 172 dync · s ·