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PubMed This is a summary of 62 peer-reviewed journal articles Updated
Neurology · Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy

Navigating CADASIL: Your Comprehensive Guide

At a Glance

CADASIL is a rare genetic vascular condition caused by a NOTCH3 gene mutation that affects brain blood vessels. Managing it requires careful blood pressure control, monitoring MRI changes like white matter hyperintensities, and building a specialized neurology care team to protect brain health.

Welcome to your comprehensive guide to understanding and managing CADASIL (Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy).

Being diagnosed with a rare genetic vascular condition can feel overwhelming, but knowledge is your most powerful tool. This resource was designed to translate complex medical data into a strategic, empowering guide. It will help you understand the biology of the disease, anticipate its symptoms, manage your daily risks, and assemble a care team that understands your unique needs.

Please explore the sections below to navigate your diagnosis and care plan:

01

Understanding Your CADASIL Diagnosis

Learn about your CADASIL diagnosis and what it means for your brain health. Understand NOTCH3 mutations, symptom management, and how to protect your future.

02

Symptoms, Milestones, and What to Expect

Learn the timeline of CADASIL symptoms and disease progression. Understand early signs like migraines, executive dysfunction, strokes, and brain bleed risks.

03

The NOTCH3 Gene and How CADASIL Works

Learn how the NOTCH3 gene mutation causes CADASIL. Discover how it affects brain blood vessels, differs from regular stroke, and impacts family planning.

04

Decoding Your MRI and Genetic Test Reports

Learn how to read your CADASIL MRI and genetic test reports. Understand white matter hyperintensities, NOTCH3 mutations, and key diagnostic terms explained.

05

Daily Management and Protecting Your Brain

Learn how to manage CADASIL daily. Understand strict blood pressure control, safe migraine medications, lifestyle changes, and stroke prevention strategies.

06

Building Your Neurology Care Team

Learn how to build the right neurology care team for CADASIL. Find out which specialists you need, how to vet a neurologist, and what to bring to your visit.

You do not have to read everything at once. Take your time, bookmark this page, and use it as a reference to prepare for your medical appointments. You have the power to protect your brain, and this guide is your first step.

Common questions in this guide

What are the most urgent next steps after a CADASIL diagnosis?
After a CADASIL diagnosis, your immediate focus should be establishing a baseline with a specialized neurologist. You should also review your current medications to ensure none are harmful for CADASIL patients and prioritize strict blood pressure control.
What is the primary cause of CADASIL?
CADASIL is caused by a genetic mutation in the NOTCH3 gene. This single mutation alters the structure of your blood vessels, which specifically impacts blood flow and overall health in the brain.
How does CADASIL affect brain function?
While many people associate vascular brain conditions with memory loss, CADASIL typically affects executive function early in the disease. Patients may also experience noticeable changes in mood alongside cognitive shifts.
What do the results on my CADASIL MRI report mean?
Your MRI report may mention terms like white matter hyperintensities, which indicate areas of the brain affected by changes in blood flow. Tracking these changes over time helps your neurology team monitor your condition.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.What are the most urgent next steps I should take this week regarding my diagnosis?
  2. 2.Which specific specialist on my care team should I contact first to establish a baseline?
  3. 3.Are there any immediate medication changes we need to make today?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

This guide is for informational purposes only and does not replace professional medical advice. Always consult your neurologist before making any medication changes or care decisions regarding CADASIL.

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