Sleep Apnea May Not Be Closely Linked To Heart Failure Severity
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Obstructive sleep apnea (OSA) and central sleep apnea (CSA) are not markedly decreased in affection failure (HF) patients managed with beta-blockers and spironolactone, reports a discover in the Trudge subject of Journal of Cardiac Failure, published by Elsevier. The study, "Prevalence and Physiological Predictors of Sleep Apnea in Patients with Heart Failure and Systolic Dysfunction," was authored by Dai Yumino, Hanqiao Wang, John S. Floras, Gary E. Newton, Susanna Mak, Pimon Ruttanaumpawan, John D. Parker, and T. Douglas Bradley.
As feelings failure is a greater public health concern, it is far-reaching to identify treatable conditions that may cook alongside it. The altitudinous prevalence of OSA and CSA in patients with heart failure has been well recognized in recent years, but there is limited information about secular trends in its occurrence, despite substantial advances in the management of these patients since this phenomenon was recognized.
The study involved 218 emotions failure patients with reduced ejection fraction (mean 24.7%) who underwent sleep studies between 1997 and 2004. Overall 47% had interchange to severe OSA or CSA. Both conditions were more prevalent in older day and in men. OSA was associated with greater body bulk index, whereas CSA was associated with atrial fibrillation, hypocapnia, and diuretic use.
These findings may posses important implications for care HF patients with a prevalence of OSA and CSA thanks to compelling treatment of these sleep-related respiration disorders may be beneficial in addition to treatment with beta-blockers and sprionlactone.
"This interpret reemphasizes the eminent prevalence of sleep apnea, but unfortunately shows that despite the improvements in medical therapy and associated improvements in outcomes, the prevalence of sleep apnea has not diminished," commented Barry M. Massie, M.D., Editor-in-Chief of Journal of Cardiac Failure. "This may display that the severity of heart failure and the happening of sleep apnea are not closely linked, but that there are usual risk factors for both, such as older age, virile sex, and obesity.
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