Accessory Mitral Valve Tissue and Internal Mammary Artery Stenosis: Unique Considerations After Cardiac Arrest

Joseph A Craft1, Michael R Reidy2, Joseph A Craft3

  • 1Department of Cardiology, St. Luke's Hospital, St. Louis, Missouri, USA.

JACC. Case Reports
|February 24, 2022
PubMed

Insights

A patient with a history of aortic coarctation repair had cardiac arrest during exercise testing due to critical coronary stenosis, accessory mitral valve tissue, and internal mammary artery occlusion. These rare, co-occurring conditions complicated treatment strategies.

Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Medical Diagnostics

Background:

  • Recurrent syncope can indicate underlying cardiac issues.
  • Aortic coarctation repair is a significant cardiovascular intervention.
  • Exercise stress testing is a diagnostic tool for cardiac abnormalities.

Purpose of the Study:

  • To report a rare case of combined cardiac abnormalities.
  • To discuss the diagnostic and therapeutic challenges presented by these rare conditions.
  • To highlight the importance of comprehensive evaluation in patients with complex cardiac histories.

Main Methods:

  • Case report detailing patient presentation and medical history.
  • Diagnostic workup including exercise stress testing and coronary angiography.
  • Review of relevant literature on rare cardiac anomalies.

Main Results:

  • The patient experienced cardiac arrest during exercise stress testing.
  • Critical coronary stenosis was identified as a primary finding.
  • Additional rare abnormalities included accessory mitral valve tissue and internal mammary artery occlusion.

Conclusions:

  • The co-occurrence of these rare abnormalities is unprecedented.
  • These findings underscore the complexity of managing patients with multiple congenital and acquired cardiac defects.
  • Integrated treatment approaches are crucial for managing such complex cases.

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