4.2 Article

Post-stroke aggressive behavior in patients with first-ever ischemic stroke: underlying clinical and imaging factors

Journal

ACTA NEUROLOGICA BELGICA
Volume -, Issue -, Pages -

Publisher

SPRINGER HEIDELBERG
DOI: 10.1007/s13760-023-02319-6

Keywords

Aggression; Behavior; Stroke

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This study investigated the relationship between post-stroke aggressive behavior (PSAB) in stroke patients and neuropsychological and neuroimaging findings. 11.1% of patients with first ischemic stroke exhibited aggressive behavior, which was associated with older age, higher rates of depression and anxiety, and lesions in the lower parietal lobe and lateral frontal gyrus.
BackgroundAggression is defined as a complex behavior consisting of a combination of sensory, emotional, cognitive and motor elements. We aimed to examine the relationships between post-stroke aggressive behavior (PSAB) and neuropsychological and neuroimaging findings.Methods380 patients in the stroke unit were classified as aggressive or non-aggressive based on symptoms elicited by the Neuropsychiatric Inventory (NPI) and aggression screening questionnaire.ResultsAggressive behavior was detected in 42 (11.1%) of 380 patients who had a first ischemic stroke. Patients with PSAB were older than those without (338 patients) (66.98 + 13.68 vs. 62.61 + 13.06, P = 0.043). Hamilton depression and anxiety scales showed significantly higher rates of depression and anxiety in the PSAB group compared to the non-PSAB group (47.6% vs. 16.3% and 57.1% vs. 15.4%, respectively; P = 0.001). Lesion mapping analysis showed that lesions in patients with PSAB mostly included the lower parietal lobe and lateral frontal gyrus. Multiple regression analysis showed that gender (OR, 2.81; CI%, 1.24-6.39), lateral prefrontal infarction (OR, 6.43; CI%, 1.51-27.44), parietal infarction (OR, 2.98; CI%, 1.15-7.76), occipital infarction (OR, 2.84; CI%, 1.00-8.06), multiple infarcts (OR, 5.62; CI%, 2.27-13.93), anxiety (OR, 2.06; CI%, 0.89-4.81) and verbal memory deficit (OR, 4.21; CI%, 1.37-12.93) were significant independent predictors of PSAB.ConclusionThe presence of PSAB may be related to neuropsychiatric symptoms such as high anxiety and verbal memory impairment, and neuroanatomical location of the lesions.

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