Why the study?
Few studies have evaluated the association between exercise oscillatory ventilation severity and prognosis in heart failure patients with exercise oscillatory ventilation.
Does exercise oscillatory ventilation (EOV) loop size predict cardiovascular death in patients with HFrEF and EOV?
Observational
Does exercise oscillatory ventilation (EOV) loop size predict cardiovascular death in patients with HFrEF and EOV?
Answers are grounded in this paper and cite their sources.
Exercise oscillatory ventilation (EOV) loop size during cardiopulmonary exercise testing is an independent predictor of cardiovascular death in patients with HFrEF.
Background:The cardiopulmonary exercise test (CPX) is a tool for evaluating disease severity and limitations in activities of daily living in patients with cardiac disorders. However, few studies have evaluated the association between exercise oscillatory ventilation (EOV) severity and prognosis in heart failure (HF) patients with EOV. EOV severity can be evaluated by detecting endtidal CO2pressure (PETCO2, an indicator of the arterial partial pressure of CO2(PaCO2)) and minute ventilation, which is a reflection of the respiratory response to elevated CO2. We hypothesized that the magnitude of EOV severity can predict the severity and prognosis of cardiac disorders and aimed to validate this hypothesis.
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Nakade et al. (2019) conducted an observational in Heart failure. Exercise oscillatory ventilation (EOV) severity was evaluated on Prognosis and severity of cardiac disorders.
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