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慢性阻塞性肺病患者往往伴有睡眠障碍和夜间低氧血症。低氧血症的发生与睡眠时肺泡低通气和通气/灌注比例失调等因素相关。严重的夜间低氧血症可引起肺动脉高压、心律失常及神经精神损害等并发症。纠正夜间低氧血症可以改善慢性阻塞性肺病患者的生命质量和预后。
Chronic obstructive pulmonary disease is often accompanied by sleep disorders and nocturnal hypoxemia. The occurrence of hypoxemia and sleep alveolar hypoventilation and ventilation / perfusion imbalance and other factors. Severe nighttime hypoxemia can cause pulmonary hypertension, arrhythmia and other neuropsychiatric complications. Correcting nocturnal hypoxemia can improve the quality of life and prognosis of patients with COPD.