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Updated: Jun 21, 2026

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava
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Published on: January 13, 2023

Persistent left superior vena cava in pediatric patients.

Marco Caruselli1, Gianmarco Piattellini, Gianfranco Camilletti

  • 1Anesthesia and Intensive Care Unit, Salesi Children's Hospital, Ancona 60123, Italy.

The Journal of Vascular Access
|August 12, 2009
PubMed
Summary

A persistent left superior vena cava (PLSVC) is a rare congenital anomaly. This condition is often found incidentally during central venous catheterization in pediatric patients.

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Area of Science:

  • Cardiovascular Medicine
  • Pediatric Cardiology
  • Congenital Anomalies

Background:

  • A persistent left superior vena cava (PLSVC) represents a congenital anomaly within the systemic venous system.
  • This condition occurs when the left superior vena cava fails to regress during embryonic development.

Observation:

  • PLSVC is frequently identified incidentally during procedures like central venous catheterization.
  • Catheterization may pass through the left subclavian vein or left internal jugular vein when PLSVC is present.

Findings:

  • This report details two pediatric cases diagnosed with persistent left superior vena cava.
  • The cases highlight the clinical presentation and diagnostic considerations for PLSVC in children.

Implications:

  • Understanding PLSVC is crucial for accurate interpretation of central venous catheterization.
  • Recognition of this anomaly can prevent potential complications and guide appropriate patient management.
  • Further research into the prevalence and clinical significance of PLSVC in pediatric populations is warranted.