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Htra1 Cerebral Small Vessel Disease Htra1 Csvd Cn381340

Published: July 22, 2026Updated: August 20, 2026

HTRA1 cerebral small vessel disease is a genetic condition affecting small brain blood vessels, increasing stroke risk. It can cause progressive neurological symptoms and vascular dementia. Management includes stroke prevention and symptom control.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

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.

Warning signs - seek immediate care

!

Ischemic stroke

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Cognitive decline

(neurologic)

Gait disturbance

(neurologic)

Visual field defects

(neurologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Antihypertensive therapy

Rigorous blood pressure control to slow disease progression and reduce stroke risk. ACE inhibitors or ARBs are often preferred due to potential renoprotective effects in small vessel disease.

medication
2

Drug therapy and clinical monitoring

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Cardiovascular risk reduction program

Comprehensive lifestyle modification including smoking cessation, regular aerobic exercise, weight management, and stress reduction to address modifiable vascular risk factors.

lifestyle

Additional treatment options

Antiplatelet therapy

Consideration of antiplatelet agents for secondary stroke prevention in appropriate patients. Risk-benefit assessment required given potential bleeding risk in cerebral small vessel disease.

medication

Cognitive and neurological surveillance

Regular neuropsychological assessment and neurological examination to monitor for cognitive decline, gait disturbances, and early signs of stroke or vascular events requiring intervention.

monitoring

Cognitive rehabilitation services

Targeted cognitive training and rehabilitation to maintain executive function, processing speed, and memory. May include computer-based training programs and compensatory strategy teaching.

complementary

When 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.

Q

What is Htra1 Cerebral Small Vessel Disease Htra1 Csvd Cn381340?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Htra1 Cerebral Small Vessel Disease Htra1 Csvd Cn381340. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy