Neuropsychological patterns differ by type of left ventricle dysfunction in heart failure

Area of Science:

• Cardiology
• Neuropsychology
• Internal Medicine

Background:

• Cognitive impairment is a frequent comorbidity in patients diagnosed with heart failure.
• Understanding the specific cognitive deficits associated with different types of heart failure is crucial for targeted interventions.

Purpose of the Study:

• To compare the cognitive profiles of individuals experiencing systolic dysfunction versus diastolic dysfunction.
• To identify differential patterns of neuropsychological performance between these two heart failure subtypes.

Main Methods:

• Eighty participants with heart failure were assessed using the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS), Mini-Mental State Examination, Trail Making Test, and letter fluency tests.
• Cognitive performance was evaluated across various domains including memory, attention, language, and visuospatial skills.

Main Results:

• A significantly higher proportion of individuals with systolic dysfunction (approximately 25%) exhibited impairment on the RBANS Total Scale score compared to the diastolic dysfunction group (3%).
• Systolic dysfunction was associated with lower scores in immediate and delayed memory recall compared to diastolic dysfunction.
• No significant differences were observed in visuospatial skills, with mixed findings for attention and language subtests.

Conclusions:

• Individuals with systolic and diastolic heart failure present distinct patterns of cognitive impairment.
• These findings underscore the importance of differentiating cardiac dysfunction types when assessing and managing cognitive deficits in heart failure patients.
• The results have significant implications for clinical practice, suggesting tailored neuropsychological evaluations based on heart failure etiology.