Community Physician-Guided Long-Term Domiciliary Oxygen Therapy Combined with Conventional Therapy in Stage IV COPD Patients

AbstractPurpose:The aim of the study was to explore clinical effect of community physician-guided long-term domiciliary oxygen therapy (LTDOT) on patients with Stage IV chronic obstructive pulmonary disease (COPD).Design:A retrospective study.Methods:Fifty-four patients with Stage IV COPD were recru