Related Experiment Videos
[The evaluation of cognitive deterioration in transient ischemic attacks]
J I López Gastón1, J Martín, V Bertol
1Servicio de Neurología, Hospital Miguel Servet, Zaragoza.
Insights
Patients with a history of transient ischemic attack (TIA) showed dementia linked to specific brain changes. Polyglobulia was the sole factor significantly associated with vascular dementia in TIA patients.
Area of Science:
- Neurology
- Neuroscience
- Vascular Neurology
Background:
- Transient ischemic attack (TIA) is a warning sign for potential neurological deficits.
- Assessing long-term cognitive impact after TIA is crucial for patient management.
- Vascular dementia is a significant concern in patients with cerebrovascular disease.
Purpose of the Study:
- To compare the degree of dementia in patients with a history of first TIA versus healthy controls.
- To identify neuroimaging findings and clinical factors associated with dementia post-TIA.
- To investigate the role of polyglobulia in the development of vascular dementia.
Main Methods:
- Compared 41 TIA patients (4 years post-TIA) with 31 age-matched healthy controls.
- Utilized Hachinski and Gustafson-Nilsson scales for pathogenic diagnosis.
- Assessed mental state using Folstein, Blessed, GDS, and CDR tests.
- Performed cerebral CT and MRI scans on all participants.
- Identified dementia-associated findings: multi-infarctions, leucoaraiosis, lacunes, new ischemic episodes, gait/sphincterian disturbances, focal deficits.
Main Results:
- No significant differences in dementia were found in patients with only one prior TIA compared to controls.
- Dementia in TIA patients was associated with multi-infarctions, leucoaraiosis, lacunes, and new ischemic events.
- Clinical signs like gait disturbances, sphincterian issues, and focal deficits were linked to dementia.
- Polyglobulia emerged as the only statistically significant factor associated with vascular dementia in this cohort.
Conclusions:
- A single TIA event does not necessarily lead to dementia compared to healthy individuals.
- Specific neuroimaging markers and clinical sequelae are indicative of dementia post-TIA.
- Polyglobulia is a key risk factor for developing vascular dementia in patients with a history of TIA.
Abstract:
We compared the degree of dementia in a group of 41 patients who, four years previously, had presented a first TIA with that of 31 healthy controls of similar age. For pathogenic diagnosis the Hachinski and Gustafson-Nilsson scales were applied, while mental state was evaluated by the Folstein, Blessed, GDS and CDR tests. We performed in all cases cerebral CT and several MR. The findings associated with dementia were the presence of multi-infarctions, leucoaraiosis or lacunes in the cerebral CT and the presentation of new ischemic episodes, sphincterian or gait disturbances and focal deficits. There were no differences with the control group in the cases only presenting one TIA. Polyglobulia was the only factor significantly associated with vascular dementia in these patients.