Related Experiment Video
Updated: Jan 19, 2026
Catheter Insertion in Internal Jugular: the Seldinger Technique
Published on: April 30, 2023
Using sternal angle as anatomic landmark for right internal jugular vein catheterization in pediatrics
Hui Xu1, Xiaoqiu Zhu1, Jin Li1
1Department of Anesthesiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
The sternal angle provides a reliable landmark for accurate central venous catheter (CVC) placement in children. This method ensures safe positioning, especially in emergency situations when other measurements are unavailable.
Area of Science:
- Pediatric critical care medicine
- Vascular access procedures
- Anatomical landmark utilization
Background:
- Traditional formulas for central venous catheter (CVC) depth in children rely on height, weight, and age, which may be unavailable in emergencies.
- The need for direct, reliable methods to guide CVC placement in pediatric patients is critical.
Purpose of the Study:
- To evaluate the efficacy and safety of using the sternal angle as an anatomical landmark for guiding central venous catheter (CVC) tip positioning in children.
- To establish a direct method for CVC placement in pediatric patients, particularly in emergency settings.
Main Methods:
- A prospective study involving 75 pediatric patients (aged 1-10 years) undergoing CVC insertion via the right internal jugular vein.
- Catheter depth was determined by measuring the distance from the skin puncture site to the sternal angle plane, with a 1 cm subtraction.
- Post-insertion chest radiography confirmed catheter tip position relative to the carina.
Main Results:
- All 75 central venous catheters were successfully positioned above the carina.
- The average distance from the catheter tip to the carina was 9.8 mm.
- No serious complications were reported in the study cohort.
Conclusions:
- The sternal angle is a practical and dependable anatomical landmark for guiding central venous catheter (CVC) placement in pediatric patients.
- This technique allows for rapid and safe CVC positioning in the right internal jugular vein, proving particularly valuable in emergency scenarios.
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