Aberrant Chordae Tendineae Accompanying Severe Subaortic Stenosis

Mahboobeh Sheikh1, Ali Hosseinsabet2, Hossein Ahmadi-Tafati3

  • 1Cardiology Department Zabol University of Medical Sciences Zabol Islamic Republic of Iran.

Clinical Case Reports
|March 20, 2026
PubMed

Insights

Aberrant mitral chordae can attach to the left ventricular outflow tract. Echocardiography is crucial for detecting these abnormal mitral chordae and their specific attachment sites.

Area of Science:

  • Cardiovascular Medicine
  • Medical Imaging
  • Anatomy

Background:

  • Aberrant mitral chordae are congenital anomalies.
  • These can attach to various left ventricular outflow tract structures, including subaortic membranes.
  • Such attachments can lead to significant hemodynamic complications.

Purpose of the Study:

  • To highlight the anatomical variations of aberrant mitral chordae attachments.
  • To emphasize the diagnostic role of echocardiography in identifying these anomalies.
  • To guide echocardiographic assessment protocols for left ventricular outflow tract abnormalities.

Main Methods:

  • Review of relevant echocardiographic studies and anatomical literature.
  • Analysis of case reports detailing aberrant mitral chordae.
  • Correlation of imaging findings with anatomical descriptions.

Main Results:

  • Aberrant mitral chordae demonstrate diverse attachment points within the left ventricular outflow tract.
  • Echocardiography effectively visualizes these chordae and their precise anatomical connections.
  • Subaortic membrane attachment is a recognized, albeit less common, presentation.

Conclusions:

  • Aberrant mitral chordae represent a spectrum of anatomical variations.
  • Echocardiography is the primary imaging modality for diagnosis and characterization.
  • Awareness of potential attachment sites is essential for comprehensive echocardiographic evaluation.

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