O7.10 Alcohol and sedatives
Patients with COPD have impaired gas exchange and an exaggerated fall in Po2 with recumbency and sleep onset (Meecham Jones 1995, Chaouat 1995). Excessive use of alcohol and sedatives exacerbates this and predisposes to sleep-disordered breathing.
Heavy cigarette smoking is associated with misuse of other substances in many individuals. Nicotine, caffeine and alcohol also predispose to gastro-oesophageal reflux.
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