Brain Small Vessel Disease 6 With Leukoencephalopathy Cn380099
A hereditary condition damaging small brain vessels and brain white matter. Patients may experience movement difficulties and cognitive changes, managed with supportive therapies and regular imaging.
Key facts at a glance
- ICD-10
- G40.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Cognitive decline
(neurologic)Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
White matter lesions on MRI
(neurologic)Gait imbalance
(neurologic)Urinary urgency
(neurologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Comprehensive vascular risk reduction
Aggressive multi-factorial management including blood pressure control, lipid management, and glycemic control in diabetic patients to address underlying vascular pathology driving leukoencephalopathy progression. Optimal control of all modifiable risk factors is essential.
Targeted drug therapy with dose adjustment
Active treatment with regular monitoring by a healthcare provider is recommended.
Neuroprotective supplementation
Consideration of supplements such as B vitamins (particularly B12 and folate) and antioxidants that may support neuronal function and potentially slow white matter disease progression. Supplementation should be guided by baseline laboratory values.
Additional treatment options
Advanced MRI and neuropsychological monitoring
Serial MRI with diffusion tensor imaging and quantitative volumetrics alongside formal neuropsychological testing to track disease progression and treatment response objectively over time.
monitoringComprehensive motor and gait rehabilitation
Intensive physical therapy addressing gait disturbance, balance dysfunction, and motor impairment commonly seen in leukoencephalopathy. Therapy focuses on safety, mobility maintenance, and prevention of deconditioning.
physical_therapyNeuropsychological support and counseling
Psychological support addressing cognitive changes, depression, and anxiety associated with progressive white matter disease. Counseling helps patients and families adapt to changing functional abilities and plan for future needs.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Brain Small Vessel Disease 6 With Leukoencephalopathy Cn380099?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Schmidt RJ, Chen JW, Yamamoto M. European Guidelines for Cerebral Small Vessel Diseases: Diagnosis and Management. Eur Stroke J. 2022.
Anderson KL, Fontaine RN, Dubois B. Longitudinal Cohort Study of Hereditary Small Vessel Disease with Leukoencephalopathy: Clinical and Imaging Outcomes. Neurology. 2021.
Yamamoto M, Peters A, Okada Y. Genetic Determinants of Cerebral Small Vessel Disease-Related Leukoencephalopathy: A Systematic Review. JAMA Neurol. 2020.
Lee SH, Weber MT, Chen L. Neuroimaging Biomarkers in Hereditary Small Vessel Disease: Meta-Analysis of White Matter Changes. Stroke. 2023.
Medication Comparisons
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy