• Emilia D'Elia, Cosimo Andrea Stamerra, Andrea Vecchi, Vincenzo Duino, Aurelia Grosu, Raffaele Abete, Pierangelo Baio, Mauro Gori, Antonello Gavazzi, Claudio Ferri, and Michele Senni.
• Cardiovascular Department, ASST Papa Giovanni XXIII, Piazza OMS 1, Bergamo, Italy. edelia@asst-pg23.it.
• Intern Emerg Med. 2021 Mar 1; 16 (2): 369-377.

AbstractSleep disordered breathing (SDB) and neurocognitive impairment (NI) are a typical feature of HF (heart failure), especially with preserved ejection fraction (HFpEF). So far, very few data exist regarding changes in the severity of SDB, the degree of NI, and the diastolic function in acute HF (AHF) patients and during follow up. In a population of 24 AHF patients (12 with reduced ejection fraction-HFrEF- and 12 HFpEF) with SDB a complete echocardiogram, a set of NI tests, and a polysomnography were performed in the acute phase and after 90 days. A control group of 12 non-HF patients hospitalized for other cardiovascular causes was considered. At baseline, SDB were present both in HFpEF and HFrEF, and a consistent reduction of apneic events was observed at follow up. Improvements in diastolic and right ventricular function were documented at three months compared to baseline, both in HFpEF and in HFrEF. Compared to HFrEF patients and controls, HFpEF patients showed lower NI scores at baseline tests, but a more significant improvement at three months follow-up. In AHF patients with SDB the achievement of a better compensation could lead to important beneficial effect not only on echocardiographic variables and nocturnal respiratory profile, but also on NI, especially in HFpEF.

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