alexa Sleep apnea Central | Norway| PDF | PPT| Case Reports | Symptoms | Treatment

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Sleep Apnea Central

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  • Sleep apnea Central

    Central sleep apnea (CSA) or central sleep apnea syndrome (CSAS) is a sleep-related disorder in which the effort to breathe is diminished or absent, typically for 10 to 30 seconds either intermittently or in cycles, and is usually associated with a reduction in blood oxygen saturation.

  • Sleep apnea Central

    Symptoms The most common symptom of central sleep apnea is short periods during sleep when breathing stops. Some people exhibit very shallow breathing instead of actually stopping breathing. You may wake up feeling short of breath.
    Treatment Several different treatments aimed at central sleep apnea include positive airway pressure, adaptive servo ventilation (ASV), oxygen, added dead space, carbon dioxide inhalation, and overdrive atrial pacing. Continuous positive airway pressure CPAP improves cardiac function in patients with congestive heart failure and CSB-CSA.Bilevel positive airway pressure Bilevel positive airway pressure (BIPAP) is effective for treating patients with hypercapnic central sleep apnea (associated with hypoventilation).

  • Sleep apnea Central

    Statistics current study were to evaluate the utility of the BQ for OSA screening in the general population and to estimate the prevalence of OSA in Norway. The study population consisted of 29 258 subjects (aged 30–65 years, 50% female) who received the BQ by mail. Of these, 16 302 (55.7%) responded. Five-hundred and eighteen subjects were included in the clinical sample and underwent in-hospital polysomnography. Screening properties and prevalence were estimated by a statistical model that adjusted for bias in the sampling procedure. Among the 16 302 respondents, 24.3% (95% confidence interval (CI) = 23.6–25.0%) were classified by the BQ to be at high-risk of having OSA. Defining OSA as an apnea–hypopnea index (AHI) ≥5, the positive predictive value of the BQ was estimated to be 61.3%, the negative predictive value 66.2%, the sensitivity 37.2% and the specificity 84.0%. Estimated prevalences of OSA were 16% for AHI ≥ 5 and 8% for AHI ≥ 15. In conclusion, the BQ classified one out of four middle-aged Norwegians to be at high-risk of having OSA, but the screening properties of the BQ were suboptimal.

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