X Linked Severe Syndromic Thoracic Aortic Aneurysm And Dissection Cn322815
A rare genetic disorder causing weak spots and tears in the major heart vessel, primarily affecting males. Requires urgent surgical repair and lifelong monitoring. Family genetic testing is recommended.
Key facts at a glance
- ICD-10
- Q24.9
- ICD-11
- LA00.0
- Body system
- cardiovascular
- Severity
- critical
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Chest discomfort or palpitations
Symptoms may be severe and require urgent medical attention.
Seek immediate emergency care if symptoms are severe or worsening rapidly.
Chest pain
Aortic dissection
Hypertension
(cardiovascular)Marfanoid habitus
(cardiovascular)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
Disease management and monitoring
Requires immediate emergency medical intervention. Do not delay treatment.
Elective Aortic Root Replacement
Surgical replacement of the dilated aortic root with a composite graft or valve-sparing procedure prevents life-threatening dissection or rupture. Elective surgery at appropriate diameter thresholds offers excellent outcomes.
Beta-Adrenergic Blockade
Aggressive heart rate and blood pressure control with beta-blockers reduces aortic wall stress and slows aneurysm progression. This medical therapy is essential both preoperatively and for patients not yet requiring surgery.
Additional treatment options
Thoracic Endovascular Aortic Repair
TEVAR offers a less invasive alternative for descending thoracic aortic pathology in selected patients with suitable anatomy. This approach may be considered for high-risk surgical candidates.
surgicalRAAS Blockade with ARBs
Angiotensin receptor blockers provide blood pressure control while potentially reducing aortic wall inflammation and matrix degradation. They complement beta-blocker therapy for comprehensive medical management.
medicationSerial Imaging Surveillance
Regular aortic imaging with CT angiography or cardiac MRI monitors aneurysm growth rate and identifies optimal surgical timing. Frequency is tailored to baseline diameter and growth velocity.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
Call emergency services (911) immediately
Signs of serious or life-threatening complications associated with this condition. Immediate medical evaluation is required.
Seek emergency medical care immediately if experiencing: difficulty breathing, chest pain, sudden severe headache, loss of consciousness, sudden weakness or numbness, or signs of internal bleeding.
Frequently asked questions
Common questions about this topic.
What is X Linked Severe Syndromic Thoracic Aortic Aneurysm And Dissection Cn322815?
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.
Bertoli-Avella AM, Badano LP, Alfieri P, et al. X-linked syndromic thoracic aortic aneurysm and dissection: clinical and molecular characterization. Genet Med. 2022.
Hiratzka LF, Bakris GL, Beckman JA, et al. Guidelines for the diagnosis and management of patients with thoracic aortic disease. Circulation. 2010.
Regalado ES, Guo DC, Prakash S, et al. Aortic disease presentation and outcome in patients with syndromic thoracic aortic aneurysms. J Am Coll Cardiol. 2015.
Milewicz DM, Hostetler EM, Wallace S, et al. Genetic basis of thoracic aortic aneurysms and aortic dissections. Am J Med Genet C Semin Med Genet. 2020.
Medication Comparisons
Compare medications used to treat X Linked Severe Syndromic Thoracic Aortic Aneurysm And Dissection Cn322815. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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