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Dissecting intramyocardial hematoma with flexuous channel in myocardium masquerading as a ventricular pseudoaneurysm

Xinghai Hao1, Yang Lu2, Zhu Zhang1

  • 11 Cardiac Surgery Department, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.

Perfusion
|April 12, 2018
PubMed

Insights

Dissecting intramyocardial hematoma (DIH) can mimic ventricular pseudoaneurysm in acute myocardial infarction patients. Careful differential diagnosis is crucial due to the varied presentations of DIH.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Pathology

Background:

  • Acute myocardial infarction (AMI) presents diagnostic challenges.
  • Distinguishing cardiac masses and complications is critical for patient management.

Observation:

  • A 58-year-old AMI patient presented with a dissecting intramyocardial hematoma (DIH).
  • The DIH mimicked a ventricular pseudoaneurysm, featuring a narrow, flexuous channel within the myocardium.
  • This channel connected to the left ventricle, forming a sac-like structure.

Findings:

  • Intraoperative confirmation of DIH with a unique anatomical presentation.
  • Absence of pericardial effusion in this specific case.
  • Demonstration of DIH's diverse morphology.

Implications:

  • Highlights the importance of considering DIH in the differential diagnosis of pseudoaneurysms post-AMI.
  • Emphasizes the varied presentations of DIH, necessitating thorough diagnostic evaluation.
  • Contributes to understanding complex cardiac pathologies following myocardial infarction.

Keywords:
acute myocardial infarctioncoronary artery bypass graftingcoronary heart diseasedissecting intramyocardial hematomaventricular pseudoaneurysm

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