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Sleep disordered breathing – a new component of syndrome x?
Author(s) -
Coughlin S.,
Calverley P.,
Wilding J.
Publication year - 2001
Publication title -
obesity reviews
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.845
H-Index - 162
eISSN - 1467-789X
pISSN - 1467-7881
DOI - 10.1046/j.1467-789x.2001.00045.x
Subject(s) - medicine , insulin resistance , overweight , obesity , sleep (system call) , leptin , sleep and breathing , cardiology , ventilation (architecture) , respiratory system , hormone , endocrinology , mechanical engineering , computer science , engineering , operating system
Sleep disordered breathing (SDB) is a complication of obesity estimated to occur in about 4–6% of overweight individuals. These respiratory disturbances during sleep incorporate a number of conditions including snoring, upper airway resistance syndrome and obstructive sleep apnoea syndrome (OSAS). It is thought that as well as having deleterious effects on sleep quality these conditions may also promote cardiovascular and hormonal changes leading to an elevated blood pressure and an increased incidence of cardiovascular morbidity. Evidence reviewed here points to an alteration in sympathovagal balance, baroreceptor sensitivity, insulin resistance and leptin, growth hormone and lipid levels. Whether these changes are a consequence of the associated obesity or the SDB itself remains to be proven.