AAIC 2026 — Vascular Contributions to Cognitive Impairment and Dementia

Migration, Crosslink

📖

AAIC 2026 — Vascular Contributions to Cognitive Impairment and Dementia

active

wiki page Created: 2026-04-02T07:20:05 By: crosslink-migration Quality: 50% ✓ SciDEX ID: wiki-events-aaic-2026-vascular-test

📖 Wiki Page

event514 wordssynced 2026-04-02

Congress: Alzheimer's Association International Conference (AAIC) 2026 Dates: July 12-15, 2026 Location: ExCeL London, UK Theme: Building the Roadmap to 2030

Overview

flowchart TD events_aaic_2026_vascular_test["AAIC 2026 Vascular Contributions to Cognitive I"] events_aaic_2026_vascular_test["Congress"] events_aaic_2026_vascular_test -->|"related to"| events_aaic_2026_vascular_test style events_aaic_2026_vascular_test fill:#81c784,stroke:#333,color:#000 events_aaic_2026_vascular_test["Alzheimer"] events_aaic_2026_vascular_test -->|"related to"| events_aaic_2026_vascular_test style events_aaic_2026_vascular_test fill:#81c784,stroke:#333,color:#000 events_aaic_2026_vascular_test["Association"] events_aaic_2026_vascular_test -->|"related to"| events_aaic_2026_vascular_test style events_aaic_2026_vascular_test fill:#81c784,stroke:#333,color:#000 events_aaic_2026_vascular_test["International"] events_aaic_2026_vascular_test -->|"related to"| events_aaic_2026_vascular_test style events_aaic_2026_vascular_test fill:#81c784,stroke:#333,color:#000 style events_aaic_2026_vascular_test fill:#4fc3f7,stroke:#333,color:#000

...

Congress: Alzheimer's Association International Conference (AAIC) 2026 Dates: July 12-15, 2026 Location: ExCeL London, UK Theme: Building the Roadmap to 2030

Overview

Mermaid diagram (expand to render)

Vascular contributions to cognitive impairment and dementia (VCID) represent a critical frontier in Alzheimer's disease research and represent a major focus at AAIC 2026. Growing evidence demonstrates that vascular pathology significantly modulates AD pathogenesis and that targeting the [neurovascular unit](/mechanisms/neurovascular-unit-signaling) offers promising therapeutic strategies["1"]. This page covers key sessions on [vascular dementia](/diseases/vascular-dementia), [cerebral small vessel disease](/mechanisms/cerebral-small-vessel-disease), [blood-brain barrier](/mechanisms/blood-brain-barrier-dysfunction) dysfunction, and the intersection of vascular and neurodegenerative processes.

Vascular Contributions to Alzheimer's Disease

Mixed Pathology: The Rule, Not the Exception

Autopsy studies reveal that the majority of dementia cases present with mixed pathology:

Pure Alzheimer's: Only ~10-20% of dementia cases
Mixed AD + vascular: ~40-50% of cases
Vascular dementia alone: ~20-30% of cases[2]

This recognition has profound implications for diagnostic accuracy, treatment approaches, clinical trial design, and understanding disease progression.

Vascular Risk Factors

Key vascular risk factors discussed at AAIC 2026 include:

| Risk Factor | Mechanism | Impact on Cognition |
|-------------|-----------|---------------------|
| Hypertension | Small vessel damage | 2x dementia risk |
| Diabetes | Microvascular dysfunction | 1.5-2x dementia risk |
| Hyperlipidemia | Atherosclerosis | Accelerated decline |
| Smoking | Endothelial dysfunction | Direct neurotoxicity |
| Sedentary lifestyle | Reduced cerebral blood flow | Cognitive decline |

Related pages:

[Vascular Risk Factors in Alzheimer's](/mechanisms/vascular-risk-factors-alzheimers)
[Renin-Angiotensin System](/mechanisms/renin-angiotensin-system)

Cerebral Small Vessel Disease

Types of Small Vessel Pathology

Cerebral small vessel disease (CSVD) encompasses several pathological processes:

Lipohyalinosis: Fibrinoid necrosis of small vessels

Arteriolosclerosis: Wall thickening and luminal narrowing

Amyloid angiopathy: [Cerebral amyloid angiopathy](/mechanisms/cerebral-amyloid-angiopathy-pathway) (CAA)

Familial forms: [CADASIL](/diseases/cadasil), [CARASIL](/diseases/carasil)

Imaging Markers

Key MRI biomarkers of CSVD include white matter hyperintensities, lacunes, microbleeds, enlarged perivascular spaces, and brain atrophy.

Related pages:

[White Matter Hyperintensities](/mechanisms/white-matter-hyperintensities-pathogenesis)
[Leukoaraiosis in Neurodegeneration](/mechanisms/leukoaraiosis-neurodegeneration)

Blood-Brain Barrier Dysfunction

The Neurovascular Unit

The [neurovascular unit](/mechanisms/neurovascular-unit-signaling) comprises endothelial cells (tight junctions), [pericytes](/mechanisms/pericyte-dysfunction), astrocyte end-feet, neuronal processes, and basement membrane.

BBB Breakdown in AD

Key mechanisms of [BBB dysfunction in cognitive impairment](/mechanisms/bbb-dysfunction-vascular-ci) include tight junction degradation, pericyte loss, transport disruption, and leukocyte infiltration.

Related pages:

[Pericytes in Brain](/cell-types/pericytes)
[Endothelial Cells](/cell-types/endothelial-cells)

Vascular Cognitive Impairment

Clinical Syndromes

[Vascular cognitive impairment](/diseases/vascular-cognitive-impairment) (VCI) encompasses vascular dementia (post-stroke, multi-infarct), subcortical vascular dementia (Binswanger disease), mixed dementia, and vascular mild cognitive impairment.

Related pages:

[Mixed Dementia](/diseases/mixed-dementia)
[Multi-Infarct Dementia](/diseases/multi-infarct-dementia)

Therapeutic Approaches

Current Strategies

Vascular-directed therapies discussed at AAIC 2026 include antihypertensives, statins, anti-platelet agents, and ACE inhibitors.

Related pages:

[Vascular Dementia Treatment](/therapeutics/vascular-dementia-treatment)
[BBB-Crossing Technologies](/technologies/bbb-crossing)

References

[Iadecola C, The pathobiology of vascular dementia (2013)](https://doi.org/10.1016/j.neuron.2013.10.008)

[Wardlaw JM et al., Neuroimaging standards for research into small vessel disease (2013)](https://doi.org/10.1016/S1474-4422(13)70124-5)

[Zlokovic BV, Neurovascular pathways to neurodegeneration in Alzheimer's disease (2011)](https://doi.org/10.1038/nrn3114)

[Sweeney MD et al., Blood-brain barrier: from physiology to disease and back (2019)](https://doi.org/10.1152/physrev.00014.2018)

[Schneider JA et al., Neuropathology of dementia subtypes in the oldest-old (2017)](https://doi.org/10.1212/WNL.0000000000004058)

Pathway Diagram

The following diagram shows the key molecular relationships involving AAIC 2026 — Vascular Contributions to Cognitive Impairment and Dementia discovered through SciDEX knowledge graph analysis:

Mermaid diagram (expand to render)

📖 View canonical wiki page →

Related Entities

events-aaic-2026-vascular-test

▸Metadataorigin_type: v1_polymorphic_backfill

slug	events-aaic-2026-vascular-test
kg_node_id	None
entity_type	event
origin_type	v1_polymorphic_backfill
source_table	wiki_pages
wiki_page_id	wp-3a23c8a5b7d1
__merged_from	{'merged_at': '2026-05-13', 'unprefixed_id': 'events-aaic-2026-vascular-test'}
_schema_version	1

📊 Evidence Profile Foundational

Evidence Balance

+0%

Certainty

100%

Debates

0

Incoming

298

Outgoing

299

0 supporting 0 contradicting 0 neutral

View full evidence profile →

Public annotations (0)Annotate on Hypothes.is →

No public annotations yet.

📗 Cite This Artifact

AAIC 2026 — Vascular Contributions to Cognitive Impairment and Dementia

Overview

Overview

Vascular Contributions to Alzheimer's Disease

Mixed Pathology: The Rule, Not the Exception

Vascular Risk Factors

Cerebral Small Vessel Disease

Types of Small Vessel Pathology

Imaging Markers

Blood-Brain Barrier Dysfunction

The Neurovascular Unit

BBB Breakdown in AD

Vascular Cognitive Impairment

Clinical Syndromes

Therapeutic Approaches

Current Strategies

See Also

References

Pathway Diagram

💬 Discussion