Contemporary Sleep Medicine For Physicians

Indexed in: Book Citation Index, Science Edition, Scopus, EBSCO.

Contemporary Sleep Medicine should be of interest to a large number of readers interested in sleep medicine. It is divided into two parts – one for patients or simple readers and another for ...
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Obesity Hypoventilation Syndrome

Pp. 121-136 (16)

Stephen W. Littleton and Babak Mokhlesi


Obesity Hypoventilation syndrome (OHS) is defined as the triad of obesity, daytime hypoventilation, and sleep disordered breathing in the absence of an alternative explanation for hypoventilation. Among patients with obstructive sleep apnea (OSA), those who are more obese and have more severe OSA are more likely to have the syndrome. It is unclear why some patients with OSA develop OHS and others do not. It is important to identify the syndrome early, as these patients may have a significantly increased risk of mortality if left untreated. The authors describe current understanding of the pathogenesis of the disorder and optimal treatment modalities.


Attending Physician, John H. Stroger Jr. Hospital of Cook County, Assistant Professor, Rush University Medical Center, 1900 W. Polk St. Room 1416 Chicago, IL 60612, USA.