Authors: Ueda, Kenichi MD, PhD; Hussey, Patrick BA
Anesthesia & Analgesia: March 2017 – Volume 124 – Issue 3 – p 831–833
This preliminary observational study evaluated a specific ultrasound technique for venous access. Ultrasound was utilized for navigating a needle and catheter within the vessel lumen after venopuncture. One hundred adult obese surgical patients without visible vessels on their upper extremities were enrolled. Forty-five different operators ranging from medical students to attending anesthesia faculty performed venous cannulation with the specific ultrasound technique. Veins in 95 patients were cannulated successfully on the first attempt. This ultrasound-guided protocol facilitates navigation of both the catheter and needle within a vessel, increasing the first-attempt success rate of peripheral venous cannulation in adult obese patients.
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