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Loeys Dietz Syndrome 4 C3553762

Published: July 22, 2026Updated: August 25, 2026

A genetic connective tissue disorder linked to TGFβ2 gene changes. It can cause aortic aneurysm and other connective tissue issues. Regular imaging and proactive care are essential.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
I78.0
ICD-11
BA00.0
Body system
cardiovascular
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Chest pain

Chest discomfort or palpitations

(cardiovascular)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Joint hypermobility

(cardiovascular)

Scoliosis

(cardiovascular)

Tall stature

(cardiovascular)

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

Disease management and monitoring

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

medication
2

Regular Aortic Imaging Surveillance

Comprehensive aortic monitoring program using echocardiography, CT angiography, or MRI to track aneurysm growth and vessel wall integrity.

monitoring
3

Angiotensin Receptor Blocker Therapy

ARBs such as losartan are commonly prescribed to reduce TGF-β signaling and decrease aortic stress, potentially slowing aneurysm progression.

medication

Additional treatment options

Elective Aortic Root Replacement

Surgical intervention to replace the weakened aortic root with a graft when aneurysm diameter reaches threshold, preventing life-threatening dissection.

surgical

Activity Restrictions and Exercise Modification

Avoidance of contact sports, heavy lifting, and competitive athletics to minimize hemodynamic stress on weakened vessels.

lifestyle

Musculoskeletal Physical Therapy

Targeted physical therapy for scoliosis, joint hypermobility, and pectus deformities associated with the syndrome to improve function and reduce pain.

physical_therapy

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 Loeys Dietz Syndrome 4 C3553762?

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 Loeys Dietz Syndrome 4 C3553762. 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 25, 2026. · Read our editorial policy