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Completed Prospective Studies Ultrasound versus Landmark Guided Central Venous Access

The pediatric surgeons at Stanford University began this study with a definitive design in 100 patients and elicited Children's Mercy Kansas City's participation. The primary outcome variable is the number of percutaneous attempts needed to access the central vein for cannulation.

In the ultrasound (US) group, the US probe will be used intra-operatively to identify the location of the internal jugular vein. Once the vein is centered under the probe, an 18-gauge needle will be introduced with the help of the US probe.

In the landmark technique group, the procedure will be performed in a similar manner except that the surgeon will use known anatomic landmarks to decide where to obtain central venous access instead of using the US probe.

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