ArticleWiener klinische Wochenschrift2012
[Sleep disordered breathing and nonsustained ventricular tachycardia in patients with chronic heart failure].
Article in Wiener klinische Wochenschrift, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 1 citations in OpenAlex.
- Characteristics and circadian distribution of cardiac arrhythmias in patients with heart failure and sleep-disordered breathing.Clinical research in cardiology : official journal of the German Cardiac Society · 2018Article
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7 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundPatients with chronic heart failure (CHF) have a high incidence of sleep disordered breathing (SDB). It is assumed that patients with the combination of CHF and SDB have more ventricular couplets and nonsustained ventricular tachycardia (NSVT) than patients without SDB.
methodsIn 63 patients, 49 men and 14 women with chronic heart failure (EF < 45%), all-night polysomnography and long-term-ECG were performed. Mean age was 59 ± 15 years, mean BMI 27 ± 5 kg/m(2). 56% had an ischemic, 44% a nonischemic heart disease. 51% had heart insufficiency classification NYHA III.
results42 of the 63 patients (67%) had sleep disordered breathing (SDB) with an AHI ≥5/h. In 24 patients (38%) SDB was central, in 18 (29%) obstructive. More patients with SDB than patients without SDB had NSVT (50% vs. 19%). Nocturnal frequency of NSVT in patients with SDB was about twice as high as the rate observed during daytime (0.48/h vs. 0.21/h). In patients without SDB there was no relevant difference between day and night (0.23/h vs. 0.21/h). AHI correlated with NSVT (r = 0.329, p < 0.01). Day/night comparison of couplets was 2.3/h vs. 1.9/h in SDB patients and 2.0/h vs. 1.6/h in patients without SDB.
conclusionsPatients with chronic heart failure have a high prevalence of SDB. The combination of CHF and SDB predisposes for nocturnal malignant ventricular arrhythmias.
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