www.cagayandeoroblog.com See the city of golden friendship Cagayan de Oro. Visit and be heard by blogging. http www.JourneyPhilippines.net Cool site with new Philippines photos updated daily. http The definitive source of photographs, maps & videos of Mindanao, Philippines. WHAT IS OBSTRUCTIVE SLEEP APNEA(OSA)? Loud snoring which is interrupted by respiratory arrest (apnea) of more than 10 secs in duration is obstructive sleep apnea. This is usually accompanied by a reduction in blood oxygen saturation followed by a microawakening to breath. In severe cases, hundreds of breathing pauses can occur every night. In obstructive apnea, the throat closes during inhalation due to excessive relaxation of the pharynx muscles and the floor of the mouth, accompanied by increased tissue pressure from outside. This prevents air from entering the lungs, and the patient is threatened with suffocation. IS OSA DANGEROUS? WHAT ARE THE EFFECTS? OSA has been associated with an increased mortality ratio of 3.33. Sleep apnea has been associated with an up to 23-fold increased risk of heart attack. A number of studies have now documented sleep apnea in over two-thirds of male stroke victims. In the las JNC-7 Guidelines of hypertension, OSA was the most common etiology for secondary hypertension. In fact, in some series, almost half of subjects with hypertension demonstrated sleep apnea. In many patients, treating sleep apnea can bring blood pressure readings under control: often with less ...
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