
Stanford Type A Acute Aortic Dissection with Left Coronary Artery Involvement: Computed Tomography Angiography Findings
Correspondence Address :
Dr. Senthil Kumar Aiyappan,
Professor and Head, Department of Radiodiagnosis, SRM Medical College Hospital and Research Centre, SRM IST, Kattankulathur, Chengalpattu-603203, Tamil Nadu, India.
E-mail: asenthilkumarpgi@gmail.com
A 48-year-old female presented to the emergency department with complaints of acute onset chest pain radiating to the back and breathlessness for the past 24 hours. The patient reported no significant past medical history but had a family history of hypertension. On examination, her blood pressure was markedly elevated at 200/160 mmHg and she appeared distressed and diaphoretic. Auscultation revealed diminished breath sounds in the left lung base. An Electrocardiogram (ECG) revealed sinus tachycardia. Given the clinical suspicion of aortic dissection, urgent imaging studies were performed. A Computed Tomography Angiography (CTA) of the chest was conducted, revealing a Stanford Type A aortic dissection extending from the ascending aorta to the abdominal aorta. A thin, oblique intimal flap was noted, extending from the aortic root just above the right sinus of Valsalva through the entire course of the ascending aorta, arch of the aorta, descending thoracic aorta and abdominal aorta, up to the common iliac artery [Table/Fig-1a-d]. An extension of the flap transversely into the left sinus of Valsalva, involving the osteoproximal segment of the left main coronary artery, was observed (Table/Fig 2). Diffuse consolidations involving bilateral perihilar regions of both lung fields suggested pulmonary oedema [Table/Fig-3a]. Bilateral pleural effusions were also noted [Table/Fig-3b]. Despite the immediate initiation of antihypertensive therapy and arrangements for surgical consultation, the patient’s condition rapidly deteriorated. She developed profound hypotension and loss of consciousness within two hours of admission. Despite aggressive resuscitative measures, including fluid resuscitation and vasopressor support, the patient could not be stabilised. Cardiopulmonary resuscitation was initiated, but unfortunately, the patient succumbed to cardiac arrest.
Breath sounds, Chest pain, Pleural effusion, Tachycardia
DOI: 10.7860/JCDR/2025/77915.20710
Date of Submission: Jan 07, 2025
Date of Peer Review: Jan 18, 2025
Date of Acceptance: Jan 22, 2025
Date of Publishing: Mar 01, 2025
AUTHOR DECLARATION:
• Financial or Other Competing Interests: None
• Was informed consent obtained from the subjects involved in the study? Yes
• For any images presented appropriate consent has been obtained from the subjects. Yes
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ETYMOLOGY: Author Origin
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