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Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava
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Persistent left superior vena cava.

Kamil W Tyrak1, Jakub Holda1, Mateusz K Holda1

  • 1Department of Anatomy, Jagiellonian University Medical College, Cracow, Poland.

Cardiovascular Journal of Africa
|August 1, 2017
PubMed
Summary

Persistent left superior vena cava (PLSVC), a common thoracic venous malformation, was found in a cadaver. This PLSVC drained into the coronary sinus, potentially impacting cardiac hemodynamics.

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Area of Science:

  • Cardiovascular Anatomy
  • Congenital Malformations

Background:

  • Persistent left superior vena cava (PLSVC) is the most common congenital anomaly of thoracic venous return, affecting 0.3-0.5% of the population.
  • Understanding variations in thoracic venous anatomy is crucial for clinical diagnosis and surgical planning.

Observation:

  • A heart specimen from a 35-year-old male cadaver revealed a persistent left superior vena cava draining into the coronary sinus.
  • The right superior vena cava was present with a diminished ostium.
  • An anomalous pulmonary venous pattern included a common trunk for left pulmonary veins and an additional right pulmonary vein.

Findings:

  • The PLSVC led to coronary sinus enlargement.
  • The enlarged coronary sinus was associated with a reduced left atrial size.
  • Impeded left atrial outflow through the mitral valve was suggested due to altered cardiac hemodynamics.

Implications:

  • This case highlights the anatomical variations associated with PLSVC and its potential to affect cardiac function.
  • Such anomalies can lead to significant alterations in cardiac hemodynamics, necessitating careful evaluation.
  • Detailed anatomical examination is vital for identifying and understanding the clinical relevance of congenital venous anomalies.