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Am Rev Respir Dis. 1983 Jul;128(1):177-81.

Remission of severe obesity-hypoventilation syndrome after short-term treatment during sleep with nasal continuous positive airway pressure.

Abstract

Two patients with the Pickwickian syndrome and with life-threatening sleep hypoxemia were treated with continuous positive airway pressure (CPAP) applied through the nares only during sleep periods. Each patient presented with severe daytime somnolence, disturbed sleep, nocturnal confusion, and daytime awake cardiorespiratory failure (PaCO2, 63 and 55 mmHg). Both patients demonstrated grossly abnormal breathing during sleep with severe sleep hypoxemia, the arterial oxyhemoglobin saturation (SaO2%) falling repetitively to levels below 50%. One patient had a hypoxemic convulsion during the initial sleep evaluation. Low levels (3.5 and 8.0 cm H2O) of continuous positive airway pressure, when applied via a comfortable nose mask, prevented occlusive apnea and obstructive hypopnea during sleep in both patients and maintained steady levels of arterial oxyhemoglobin saturation. There was rapid recovery of mental function and loss of cardiorespiratory failure within 3 days of treatment. After short-term treatment with nocturnal CPAP therapy (23 days and 35 days) both patients were able to sleep, unaided, without sleep-induced upper airway occlusion with arterial oxyhemoglobin levels sustained above 80%. We conclude that nasal CPAP therapy during sleep is an effective noninvasive therapy for patients with the Pickwickian syndrome, and may lead to a stable remission of the underlying severe disordered breathing in sleep.

PMID:
6346978
DOI:
10.1164/arrd.1983.128.1.177
[Indexed for MEDLINE]

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