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Update on the Neurobiology of Vascular Cognitive Impairment: From Lab to Clinic
Luisa Vinciguerra1, Giuseppe Lanza2,3, Valentina Puglisi1
1Department of Neurology and Stroke Unit, ASST Cremona, 26100 Cremona, Italy.
Insights
Vascular cognitive impairment (VCI) is a common cause of cognitive decline in older adults. Understanding VCI pathophysiology and identifying predictive markers are crucial for developing effective treatments and prevention strategies.
Area of Science:
- Neurology
- Neuroscience
- Geriatrics
Background:
- Vascular cognitive impairment (VCI) is a prevalent condition in the elderly, significantly impacting healthcare.
- VCI is an umbrella term for vascular-related cognitive decline, posing substantial socioeconomic burdens.
- Understanding the molecular and physiological underpinnings of VCI is critical for effective management.
Purpose of the Study:
- To provide a comprehensive review of recent advancements in VCI research.
- To explore the relationship between vascular lesions, cognitive function, and neuroplasticity.
- To highlight potential biomarkers for predicting cognitive deterioration in at-risk individuals.
Main Methods:
- Review of recent serological, cerebrospinal fluid, histopathological, imaging, and neurophysiological studies.
- Analysis of molecular, biochemical, and electrophysiological abnormalities in VCI.
- Examination of adaptive and maladaptive neuroplasticity in the context of VCI.
Main Results:
- Growing literature on VCI pathophysiology, with correlations between abnormalities and disease progression.
- Identification of potential markers for predicting cognitive decline in individuals with "brain at risk".
- Insights into the complex interplay between vascular damage, cognition, and neuroplasticity.
Conclusions:
- Advances in VCI research offer potential for preventing vascular and degenerative dementia.
- Identifying predictive markers is vital for designing targeted therapeutic trials (pharmacological and non-pharmacological).
- Further research is needed to fully elucidate VCI mechanisms and translational implications for diagnosis and management.
Abstract:
In the last years, there has been a significant growth in the literature exploring the pathophysiology of vascular cognitive impairment (VCI). As an "umbrella term" encompassing any degree of vascular-related cognitive decline, VCI is deemed to be the most common cognitive disorder in the elderly, with a significant impact on social and healthcare expenses. Interestingly, some of the molecular, biochemical, and electrophysiological abnormalities detected in VCI seem to correlate with disease process and progression, eventually promoting an adaptive plasticity in some patients and a maladaptive, dysfunctional response in others. However, the exact relationships between vascular lesion, cognition, and neuroplasticity are not completely understood. Recent findings point out also the possibility to identify a panel of markers able to predict cognitive deterioration in the so-called "brain at risk" for vascular or mixed dementia. This will be of pivotal importance when designing trials of disease-modifying drugs or non-pharmacological approaches, including non-invasive neuromodulatory techniques. Taken together, these advances could make VCI a potentially preventable cause of both vascular and degenerative dementia in late life. This review provides a timely update on the recent serological, cerebrospinal fluid, histopathological, imaging, and neurophysiological studies on this "cutting-edge" topic, including the limitations, future perspectives and translational implications in the diagnosis and management of VCI patients.
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