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Cor triatriatum sinister disclosed after diagnosis of acute myocardial infarction

Eiji Taguchi1, Takashi Furuno2, Kimikazu Banba3

  • 1Department of Cardiology, Saiseikai Kumamoto Hospital Cardiovascular Center, 5-3-1 Chikami, Kumamoto, 861-4193, Japan. eiji-taguchi@saiseikaikumamoto.jp.

Journal of Echocardiography
|June 10, 2016
PubMed

Insights

This case highlights cor triatriatum sinister, a congenital heart anomaly, incidentally found after acute anterior myocardial infarction (AMI). Early reperfusion therapy for AMI was successful, with medical observation recommended for the diagnosed cor triatriatum sinister.

Area of Science:

  • Cardiology
  • Congenital Heart Disease
  • Adult Cardiology

Background:

  • Cor triatriatum sinister is a rare congenital heart anomaly characterized by a septum dividing the left atrium.
  • It can remain asymptomatic or present with symptoms mimicking other cardiac conditions.
  • Diagnosis in adulthood, especially after a cardiac event like myocardial infarction, is uncommon.

Purpose of the Study:

  • To report a unique case of cor triatriatum sinister diagnosed incidentally following acute anterior myocardial infarction.
  • To emphasize the diagnostic challenges and clinical implications of this congenital anomaly in adult cardiology.
  • To highlight the importance of recognizing specific echocardiographic findings suggestive of cor triatriatum sinister.

Main Methods:

  • A case report detailing the diagnostic and management pathway of a patient with acute anterior myocardial infarction and incidentally discovered cor triatriatum sinister.
  • Utilized various imaging modalities for diagnosis and assessment of cor triatriatum sinister.
  • Described the successful reperfusion therapy for acute myocardial infarction.

Main Results:

  • Successful urgent reperfusion therapy for acute anterior myocardial infarction via the left anterior descending coronary artery.
  • No immediate complications related to the myocardial infarction occurred post-reperfusion.
  • Cor triatriatum sinister was diagnosed and assessed using multiple diagnostic tools, leading to a decision for medical observation.

Conclusions:

  • Cor triatriatum sinister should be considered in the differential diagnosis of adult patients presenting with cardiac conditions, particularly when unusual echocardiographic findings are present.
  • Awareness of this congenital anomaly is crucial for appropriate diagnosis and management, even in the context of acute myocardial infarction.
  • Echocardiography revealing an abnormal linear echo in the mid-left atrium warrants further investigation for cor triatriatum sinister.

Keywords:
Congenital heart defectsCor triatriatumDiagnosisMyocardial infarction

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