The Effects Of Sleep On Respiratory Diseases

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Almost half of children’s life is spent asleep. Therefore, it is important for the clinicians to know the effect of sleep on respiratory diseases. (Marcus, 2001) Sleep disordered breathing may lead to serious and miserable complications such as sleep fragmentation, cognitive and behavioral changes, growth retardation, pulmonary hypertension and cor pulmonale. Unfortunately the prevalence of sleep related breathing disorders is high (3-12% of pediatric population); obstructive sleep apnea syndrome alone affects 3% of children.(Church 2012) Before the development of sleep studies, pediatricians mainly depended on history and physical examination for the diagnosis of sleep disorders. Researchers have tried to formulate clinical score questionnaires as an alternative to polysomnography. For the first time in 1984, the role of history and physical examination in the diagnosis of OSAS was assessed by Brouillete. However, several studies have demonstrated that clinical presentation alone cannot differentiate sleep related breathing disorders such as primary snoring from OSAS. Brietzke SE (Brietzke, Katz et al. 2004) showed that only 55.8% of patients were identified by clinical presentation as OSAS; were confirmed by polysomnography later. This unreliability could be caused by several factors; the most significant one is inaccuracy of history as some parents may overestimate difficulties in
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