Abstract

Objective To observe the clinical effect of long-term domiciliary oxygen therapy (LTDOT) on chronic obstructive pulmonary disease(COPD).Methods COPD patients were randomly divided into LTDOT group and control group,LTDOT group received LTDOT on basis of conventional therapy,and control group only received conventional thempy.The lung function,blood gas analysis was detectedand quality of life in paracmasis before and after treatment was evaluted.Results After two years, FEV1[(1.42±0.42)L],PaO2[(80.0±2.6)mm Hg,1 mm Hg=0.133 kPa]in LTDOT group were obviously higher than those in control group[(0.72±0.38)L,(55.0±2.2)mm Hg],there were significant differences between two groups(P 0.05).Quality of life in LTDOT group was better than that in control group,average emergency frequency[(2.3±1.2)times] and hospital day[(16.0±2.4)d]in LTDOT group were obviously decwatsed than those in control group [(5.2±1.3)times,(36.0±2.2)d](P<0.01).Conclusion For the patients with COPD paracmasis, LTDOT can increase FEVI,PaO2,elevate quality of life and decrease average emergency frequency and hospital day. Key words: Pulmonary disease,chronic obstructive; Long-term domiciliary oxygen thetapy

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