Long-Term Oxygen Therapy

What are the indications for long-term oxygen therapy?
  • PaO2 < 55mmHg
  • PaO2 55-59 mmHg and signs of Tissue hypoxia
    • Polycythemia > 55%
    • Clinical signs of chronic Cor Pulmonale
    • Pulmonary hypertension (mean PAP >20 mmHg)
    • Sleep desaturation not corrected by CPAP

Some Key Facts about COPD

COPD is a lung disease characterized by chronic obstruction of lung airflow that interferes with normal breathing and is not fully reversible.
According to the latest WHO estimates, 64 million people have COPD worldwide.
More than 3 million people died of COPD in 2005, which is equal to 5% of all deaths globally.
The primary cause of COPD is tobacco smoke.
The disease now almost affects men and women equally.
WHO predicts that COPD will become the 3rd leading cause of death worldwide by 2030.

1. See guidelines on LTOT from ATS, BTS, CPFL.

2. www.who.int