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OSAHS is the most common form of sleep-disordered breathing , which is characterized by recurrent upper airway collapse leading to frequent awakening , intermittent hypoxia , sleep fragmentation and decreased sleep quality sleep . Epidemiological survey showed a higher prevalence of OSAHS , its incidence in our country is 12% -13 % . Is now generally agreed that OSAHS is a systemic disease , any part of the nasal cavity , pharynx and larynx stenosis pathogenic factors of OSAHS . OSAHS patients sleep recurrent upper airway collapse lead to chronic intermittent hypoxia , sleep fragmentation , causing the body molecular signal domain changes , such as enhanced sympathetic activity , oxidative stress and inflammation , aggravate or lead to patients with daytime sleepiness , stroke , hypertension , coronary atherosclerotic heart disease , arrhythmias , heart failure , pulmonary hypertension , bronchial asthma , gastroesophageal reflux , proteinuria , diabetes and insulin resistance and other systemic multi-system damage, which affects the lives of individuals and quality of life , and to bring economic burden to individuals and society . OSAHS diagnostic \investigation and to assist in diagnosis. Clinical OSAHS diagnosis based on history and PSG monitoring results , diagnostic criteria 7h sleep apnea and hypopnea more than 30 times , or AHI gt ; OSAHS patients , aggressive treatment can prevent serious impact on human health and the incidence of complications , improve patient outcomes , improve quality of life , early assessment of prognosis . Over the years , CPAP has become the preferred treatment for OSAHS . Pathogenesis , as long as the patient is able to accept , CPAP can be treated.
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