this is a preliminary report and our goal was to characterise the demographics and sleep characteristics of patients with extreme osa and compare with patients with sleep apnoea of lesser severity. we recommend investigators to study this population of extreme osa looking for an early diagnosis and the identification of prognostic factors in comparison with moderate to severe levels. we named them extreme obstructive sleep apnoea (x-osa case group), and compared with patients who met the criteria for moderate to severe sleep apnoea (control group). arousal criteria was defining according to asda criteria [16], and we used the sleep spanish group criteria for qualification of the respiratory events [17].
we compared the clinical and polysomnographic data of two control groups (moderate and severe) using t-test for quantitative variables and chi-squared for categorical. in our database, we identified 655 cases of osa and 22 (0.4%) patients with an ahi≥100 during a six-year period. the association between arterial hypertension and extreme osa is very high when compared to patients with severe osa, and increases even more when compared to patients with moderate osa, consistent with the findings of the study conducted by nieto et al. additionally, we were unable to evaluate all the clinical characteristics of patients with osa. patients with extreme osa could be associated with a higher probability of hta, more time with saturation ≤90%, and a higher neck circumference when compared to patients with moderate osa, severe osa, or both.
severe obstructive sleep apnea means that your ahi is greater than 30 (more than 30 episodes per hour) ; moderate obstructive sleep apnea means that your ahi is mild sleep apnea: your ahi is between 5 and 15. moderate sleep apnea: your ahi is between 15-30. severe sleep apnea: your ahi is greater than 30. sleep apnea is a sleeping disorder that can lead to serious health problems, such as high blood pressure and heart trouble, if untreated., .
you’re considered to have severe sleep apnea if your breathing stops and restarts more than 30 times an hour. the apnea-hypopnea index (ahi) measures obstructive sleep apnea to determine a range from mild to severe, based on the number of breathing pauses per hour you have while sleeping. so, if you experience from five to 15 apneas and/or hypopneas per hour, your sleep apnea would be considered mild, according to this index. moderate osa is such moments of apnea occur repeatedly during sleep in people with the condition, causing individuals to partially wake up multiple times during obstruction can be total (apnoea) or partial (hypopnea), and can occur several times during sleep [4]. the apnoea–hypopnea index (ahi) is used, . signs and symptoms of obstructive sleep apnea include:excessive daytime sleepiness.loud snoring.observed episodes of stopped breathing during sleep.abrupt awakenings accompanied by gasping or choking.awakening with a dry mouth or sore throat.morning headache.difficulty concentrating during the day.
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