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The syndrome is often associated with obstructive sleep apnea (OSA), which causes periods of absent or reduced breathing in sleep, resulting in many partial awakenings during the night and sleepiness during the day. [1] The disease puts strain on the heart, which may lead to heart failure and leg swelling.
Obstructive sleep apnea syndrome may cause morning headaches [54] Circulatory Hypoxia: Caused by insufficient perfusion of the affected tissues by blood which is adequately oxygenated. This may be generalised, due to cardiac failure or hypovolemia, or localised, due to infarction or localised injury. [8]
Sleep apnea (sleep apnoea or sleep apnœa in British English) is a sleep-related breathing disorder in which repetitive pauses in breathing, periods of shallow breathing, or collapse of the upper airway during sleep results in poor ventilation and sleep disruption.
What causes sleep apnea? One of the most common risk factors associated with sleep apnea is obesity. But Wells cautions that it's not just the number on a scale — patterns of weight distribution ...
Hypoxemia refers to insufficient oxygen in the blood. Thus any cause that influences the rate or volume of air entering the lungs (ventilation) or any cause that influences the transfer of air from the lungs to the blood may cause hypoxemia. As well as these respiratory causes, cardiovascular causes such as shunts may also result in hypoxemia.
Older dogs, puppies and larger breeds also need more sleep than others. Larger dogs use more energy than smaller ones, while puppies are constantly exerting energy, according to PetMD.
The conditions of hypoxia and hypercapnia, whether caused by apnea or not, trigger additional effects on the body.The immediate effects of central sleep apnea on the body depend on how long the failure to breathe endures, how short is the interval between failures to breathe, and the presence or absence of independent conditions whose effects amplify those of an apneic episode.
The surgical treatment for velopalatal insufficiency may cause obstructive sleep apnea syndrome. When velopalatal insufficiency is present, air leaks into the nasopharynx even when the soft palate should close off the nose. A simple test for this condition can be made by placing a tiny mirror on the nose, and asking the subject to say "P".