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Year : 2016  |  Volume : 13  |  Issue : 2  |  Page : 83-85

Central sleep apnea in untreated hypothyroidism: A rare association

Department of Neurology, Comprehensive Centre for Sleep Disorders, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India

Correspondence Address:
Dr. Sapna Erat Sreedharan
Department of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram - 695 011, Kerala
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0973-0354.183275

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Obstructive sleep apnea (OSA) has been reported with untreated hypothyroidism. Here, we report a young patient referred to us due to prolonged apneas detected during recovery from minor surgery done under a short-acting general anesthetic drug. Polysomnography (PSG) was suggestive of severe OSA with high central index. He was later found to have severe hypothyroidism. Thyroxine replacement for 3 months followed by a repeat PSG showed persisting severe OSA but with no central events. This case highlights the rare association of central sleep apnea in untreated hypothyroidism which can be easily overlooked.

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