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An Approach to Point-Of-Care Ultrasound Evaluation of the Abdominal Aorta
07:12

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Clinical and anatomical characteristics of subtle-discrete dissection of the ascending aorta

Fabio Chirillo1, Loris Salvador, Francesco Bacchion

  • 1Division of Cardiology, Ca'Foncello Hospital, Treviso, Italy. fchirillo@ulss.tv.it

The American Journal of Cardiology
|October 9, 2007
PubMed

Insights

Subtle aortic dissection is often overlooked. Early identification via transesophageal echocardiography improves outcomes, reducing mortality and hospital stays for this rare condition.

Area of Science:

  • Cardiovascular Medicine
  • Diagnostic Imaging
  • Surgical Outcomes

Background:

  • Subtle or discrete aortic dissection (Class 3) is a neglected variant of aortic dissection.
  • Ascending aortic involvement presents unique diagnostic and management challenges.
  • Understanding its clinical profile is crucial for timely intervention.

Purpose of the Study:

  • To define the clinical manifestations of subtle ascending aortic dissection.
  • To identify diagnostic findings associated with discrete aortic dissection.
  • To evaluate the outcomes of patients with subtle ascending aortic dissection.

Main Methods:

  • Retrospective review of 109 patients with ascending aortic dissection (1995-2005).
  • Analysis of clinical records, preoperative studies, and outcomes.
  • Focus on identifying discrete dissections and diagnostic modalities, particularly transesophageal echocardiography (TEE).

Main Results:

  • Eight patients (7.3%) had discrete ascending aortic dissection.
  • Traditional imaging (aortography, MRI, CT) failed to identify intimal tears; TEE revealed intimal discontinuity, intramural hematoma, and pericardial fluid.
  • Patients undergoing emergency surgery based on TEE had 0% operative mortality, shorter hospital stays, and reduced blood transfusion needs compared to classic dissection.

Conclusions:

  • High clinical suspicion and detailed TEE are vital for diagnosing subtle aortic dissection.
  • Prompt surgical intervention guided by TEE leads to improved patient outcomes.
  • Discrete aortic dissection, when identified early, is associated with significantly better results than classic forms.

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