Long-Axis In-Plane Approach Versus Short-Axis Out-of-Plane Approach for Ultrasound-Guided Central Venous Catheterization in Pediatric Patients: A Randomized Controlled Trial.

Objectives: The aim of this study was to compare the occurrence of posterior wall puncture between the long-axis in-plane and the short-axis out-of-plane approaches in a randomized controlled trial of pediatric patients who underwent cardiovascular surgery under general anesthesia.

Design: Prospective randomized controlled trial.

Setting: Operating room of Osaka Women's and Children's Hospital.