[Effect of nocturnal hypoxaemia on the development of pulmonary hypertension in patients with COPD].

Abstract

Majority of subjects with severe COPD develop mild pulmonary hypertension. Those patients usually present with diurnal, resting hypoxaemia. Further hypoxaemic dips during sleep probably contribute to development permanent pulmonary hypertension. However, separation of effects of diurnal from nocturnal hypoxaemia is difficult. Correlations between severity… (More)

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