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Persistent Left Superior Vena Cava: Clinical and Procedural Challenges.

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|May 12, 2025
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Summary
This summary is machine-generated.

Persistent left superior vena cava (PLSVC) is a rare thoracic venous anomaly. Recognizing this variation is crucial for safe medical procedures and accurate diagnosis.

Keywords:
bilateral superior vena cavaleft sided superior vena cavasingle versus two veinssuperior vena caval duplicationvascular malformations

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Area of Science:

  • Cardiovascular Anatomy
  • Thoracic Surgery
  • Medical Imaging

Background:

  • Persistent left superior vena cava (PLSVC) is an uncommon congenital thoracic venous anomaly.
  • It involves the persistence of the embryonic left superior cardinal vein, leading to atypical venous drainage.
  • PLSVC often goes unrecognized, presenting diagnostic and procedural challenges.

Observation:

  • A case report details the incidental finding of PLSVC during peripherally inserted central venous catheter placement.
  • The catheter was inserted via the left arm, highlighting the anomaly's impact on venous access.
  • The patient's anatomy presented unique considerations for the procedure.

Findings:

  • PLSVC typically drains venous blood from the left upper extremities and neck into the coronary sinus.
  • This anatomical variation can complicate interventional procedures like central venous catheterization and pacemaker implantation.
  • The case underscores the importance of pre-procedural imaging and anatomical awareness.

Implications:

  • Enhanced recognition of PLSVC among healthcare professionals can improve diagnostic accuracy.
  • Understanding this venous anomaly is vital for ensuring procedural safety in cardiovascular interventions.
  • Awareness of PLSVC can prevent complications and optimize patient care during invasive procedures.