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Incidental Finding of Thoracic Aortic Dissection in a Patient Post-Coronary Artery Bypass Graft Surgery

Aniekeme S Etuk1, Celestine I Odigwe1, Sravani Singu1

  • 1Internal Medicine, Thomas Hospital, Infirmary Health, Fairhope, USA.

Cureus
|July 17, 2023
PubMed

Insights

Thoracic aortic dissection (TAD) is a rare but serious complication following coronary artery bypass graft (CABG) surgery. This case highlights the importance of monitoring patients post-CABG for potentially asymptomatic TAD.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Aortic Disease

Background:

  • Coronary artery bypass graft (CABG) surgery is a common procedure.
  • Thoracic aortic dissection (TAD) is an uncommon but potentially fatal complication post-CABG.
  • Diagnosis of asymptomatic TAD presents a clinical challenge.

Observation:

  • An 82-year-old male developed an incidental 5-cm ascending aortic aneurysm with dissection four months after CABG.
  • Workup for genetic conditions, aortic diseases, and hypertensive crisis was noncontributory.
  • The patient's blood pressure was aggressively controlled and managed in the ICU.

Findings:

  • The case underscores the possibility of asymptomatic TAD developing after CABG.
  • Early diagnosis and intervention are crucial for improving survival rates in TAD patients.
  • Identifying risk factors and implementing surveillance protocols are essential.

Implications:

  • Clinicians should maintain a high index of suspicion for TAD in patients with a history of CABG.
  • Developing standardized follow-up protocols for post-CABG patients is recommended.
  • Prompt diagnosis and management of TAD can significantly improve patient outcomes.

Keywords:
computed tomography scancoronary artery by-pass graftingincidental radiological findingthoracic aortic aneurysmthoracic aortic dissection

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