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Minerva Cardiology and Angiology 2021 June;69(3):251-60

DOI: 10.23736/S2724-5683.20.05157-9


language: English

Dementia screening in elderly high-risk patients following heart failure decompensation may predict unfavorable long-term clinical outcomes

Konrad STEPIEN 1 , Patrycja FURCZYNSKA 1, Magdalena ZALEWSKA 2, Karol NOWAK 1, Aleksandra WLODARCZYK 1, Izabella OWSIANKA 1, Pawel SKOREK 1, Jaroslaw ZALEWSKI 1, Jadwiga NESSLER 1

1 Department of Coronary Artery Disease and Heart Failure, Jagiellonian University Medical College, John Paul II Hospital, Krakow, Poland; 2 Department of Emergency Medicine, Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland

BACKGROUND: Recently heart failure (HF) has been found to be a new dementia risk factor; nevertheless, their relations in patients following HF decompensation remain unknown. We sought to investigate whether a screening diagnosis for dementia (SDD) in this high-risk population may predict unfavorable long-term clinical outcomes.
METHODS: One hundred forty-two patients following HF decompensation requiring hospitalization were enrolled. Within a median time of 55 months all patients were screened for dementia with ALFI-MMSE scale whereas their compliance was assessed with the Morisky Medication Adherence Scale. Any incidents of myocardial infarction, coronary revascularization, stroke or transient ischemic attack (TIA), revascularization, HF hospitalization and bleedings during follow-up were collected.
RESULTS: SDD was established in 37 patients (26%) based on the result of an ALFI-MMSE score of <17 points. By multivariate analysis the lower results of the ALFI-MMSE score were associated with a history of stroke/TIA (β=-0.29, P<0.001), peripheral arterial disease (PAD) (β=-0.20, P=0.011) and lower glomerular filtration rate (β=0.24, P=0.009). During the follow-up, patients with SDD were more often rehospitalized following HF decompensation (48.7% vs. 28.6%, P=0.042) than patients without SDD, despite a similar level of compliance (P=0.25). Irrespective of stroke/TIA history, SDD independently increased the risk of rehospitalization due to HF decompensation (HR 2.22, 95% CI: 1.23-4.01, P=0.007).
CONCLUSIONS: In patients following decompensated HF, a history of stroke/TIA, PAD and impaired renal function independently influenced SDD. In this high-risk population, SDD was not related with patients’ compliance but irrespective of the stroke/TIA history it was associated with the increased risk of HF rehospitalization.

KEY WORDS: Mass screening; Dementia; Heart failure; Patient compliance

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