introduction: adenotonsillar hypertrophy (ah) is considered the most common cause of upper respiratory tract obstruction among children. it results in a spectrum of symptoms from mouth breathing, nasal obstruction, hyponasal speech, snoring, and obstructive sleep apnea (osa) to growth failure and cardiovascular morbidity. adenotonsillectomy is a typical strategy for patients with ah, but may le...

BACKGROUND AND OBJECTIVES Children with cystic fibrosis (CF) often report poor sleep, increased daytime sleepiness, and fatigue. The purpose of this study was to identify respiratory patterns over the spectrum of disease severity in children with CF. The overall hypothesis for the current study is that children with CF compared with snoring control subjects demonstrate gas exchange abnormalitie...

Obstructive Sleep Apnea (OSA) is a disease in which airways involuntarily collapse during sleep, leading to serious consequences. About 10% of snorers suffer from OSA, unknown to them, nevertheless requiring medical attention. The current standard of diagnosis for OSA, polysomnography (PSG), requires that the patients spend one full day in a hospital, wired to a multitude of instruments. PSG is...