Related Experiment Video

Updated: Jul 20, 2025

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA
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A Case of Giant Left Circumflex Coronary Fistula Aneurysm with Unidentified Fistula

Qiong Zhang1, Tao Zhang1, Jirong Zhu1

  • 1Department of Cardiovascular Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China.

International Heart Journal
|July 30, 2023
PubMed

Insights

A rare giant coronary aneurysm case highlights diagnostic challenges. Surgical intervention successfully treated the left circumflex coronary fistula aneurysm after initial imaging failed to identify the fistula.

Area of Science:

  • Cardiology
  • Vascular Surgery
  • Diagnostic Imaging

Background:

  • Coronary aneurysms are uncommon cardiovascular conditions.
  • Giant aneurysms pose significant management challenges.
  • Accurate fistula identification is crucial for treatment planning.

Observation:

  • A 53-year-old male presented with a large left circumflex coronary fistula aneurysm (75 mm × 70 mm).
  • Standard angiography and CT angiography failed to detect the fistula.
  • Intraoperative exploration revealed the fistula connected to the right atrium.

Findings:

  • The fistula and aneurysm inlet were surgically sutured.
  • The coronary aneurysm was successfully resected.
  • The patient experienced a successful recovery post-operation.

Implications:

  • This case underscores the importance of intraoperative exploration for unidentified coronary fistulas.
  • It provides valuable insights into managing complex giant coronary aneurysms.
  • Improved diagnostic strategies are needed for coronary artery fistulas associated with aneurysms.

Keywords:
Cardiopulmonary bypassCoronary aneurysmMyocardial protective fluid

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