期刊
RESPIRATORY MEDICINE
卷 105, 期 12, 页码 1946-1953出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.rmed.2011.09.001
关键词
Adaptive servo-ventilation; Chronic kidney disease; Heart failure; Sleep-disordered breathing
Background: Impaired cardiac function and sleep-disordered breathing (SDB) are associated with progression of chronic kidney disease (CKD) in heart failure (HF) patients. Adaptive servo-ventilation (ASV) therapy improves cardiac function in HF patients regardless of the SDB severity through hemodynamic support and prevention of repetitive hypoxic stress. This study was designed to test the hypothesis that ASV therapy improves renal function in HF patients with SDB. Methods and results: Of 59 consecutively enrolled HF patients, 43 with moderate-to-severe SDB underwent ASV therapy. HF patients were divided into the ASV-treated group (n = 27) and the non-ASV-treated group (n = 16). Estimated glomerular filtration rate (eGFR), echocardiographic parameters, and inflammatory biomarkers were measured before and 12 months after ASV initiation. Improvement in the eGFR was found in the ASV-treated group, but not in the non-ASV-treated group. There was a positive correlation between the increases in eGFR and left ventricular ejection fraction (r = 0.488, p = 0.001). The changes in high-sensitivity C-reactive protein were negatively correlated with change in the eGFR (r = 0.416, p = 0.006). Conclusions: ASV therapy could improve renal dysfunction in HF patients through hemodynamic support. Additionally, prevention of SDB with the use of ASV therapy could exert anti-inflammatory effects, which could contribute to the improvement of renal function in HF patients. (C) 2011 Elsevier Ltd. All rights reserved.
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