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https://doi.org/10.15836/ccar2019.238

Mini Mental State Examination did not reveal cognitive impairment in our patients with atrial fibrillation

Anja Stanović ; University of Zagreb School of Medicine, Zagreb, Croatia
Marta Begovac ; University of Zagreb School of Medicine, Zagreb, Croatia
Juraj Jug ; University of Zagreb School of Medicine, Zagreb, Croatia
Dubravka Memić ; University of Zagreb School of Medicine, University Hospital Centre Zagreb, Zagreb, Croatia
Kristina Gašparović ; University of Zagreb School of Medicine, University Hospital Centre Zagreb, Zagreb, Croatia
Martina Lovrić Benčić ; University of Zagreb School of Medicine, University Hospital Centre Zagreb, Zagreb, Croatia


Puni tekst: engleski pdf 137 Kb

str. 238-238

preuzimanja: 261

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Sažetak

Background: Atrial fibrillation (AF), the most common arrhythmia in the general population, is associated
with accelerated cognitive decline in comparison with healthy individuals1. Some studies
reported that the duration of exposure to AF increases the risk of dementia2. Objective: The aim of this
study was to evaluate the reported link between AF and its characteristics, such as type and duration,
and cognitive abilities in affected individuals.
Patients and Methods: 105 patients (63 males, 42 females, aged 67.29±24.54 years) from the University
Hospital Centre Zagreb outpatient department were enrolled in the study. The average duration of
paroxysmal AF was 46.52, and of persistent AF 87.94 Mo. The patients’ cognitive abilities were evaluated
using Mini Mental State Examination (MMSE). Other confounding factors were analyzed: body
mass index, comorbidities (hypertension, diabetes, hyperlipidemia, ischemic heart disease, etc.), level
of education, prescribed medications, blood biochemistry, and echocardiographic parameters.
Results: No significant differences between MMSE scores of patients with paroxysmal and persistent
AF were found (27.43 in those with paroxysmal and 27.09 in those with persistent AF, p=0.5698). Statistical
analysis also showed no correlation between the duration of AF and MMSE results (r=-0.0805,
p=0.451), which was in contrast with predicted findings. However, we found a statistically significant
difference between MMSE scores of patients grouped by their achieved level of education (24.60, 27.70,
28.25 and 28.22 in patients with primary, secondary, post-secondary and tertiary level of education,
respectively, p=0.00002), and a correlation with estimated glomerular filtration rate (r=0.199, p<0.05)
and heart rate (r=-0.2291, p=0.026). Female participants had lower MMSE scores than males (26.31 in
females and 27.89 in males, p=0.038) and participants’ age also affected their MMSE results (r=-0.2866,
p=0.003).
Conclusion: The results of this pilot study do not support previously described correlations between
the duration and type of AF and cognitive deterioration, at least not measurable by MMSE. Our results
indicated that the strongest predictor of one’s MMSE score is the achieved level of education. This research
will be continued, and we expect more reliable results on a larger cohort of patients.

Ključne riječi

atrial fibrillation; cognitive impairment; Mini Mental State Examination.

Hrčak ID:

226707

URI

https://hrcak.srce.hr/226707

Datum izdavanja:

15.10.2019.

Posjeta: 689 *