• Acta Anaesthesiol Scand · Apr 1994

    The effect of position and different manoeuvres on internal jugular vein diameter size.

    • P J Armstrong, R Sutherland, and D H Scott.
    • Department of Anaesthesia, Edinburgh University, Royal Infirmary of Edinburgh, Scotland, U.K.
    • Acta Anaesthesiol Scand. 1994 Apr 1;38(3):229-31.

    AbstractInternal jugular vein (IJV) cannulation is a popular approach for central venous access as it has few complications, of which failure to locate the vein and carotid artery puncture are the most common. A variety of manoeuvres and body positioning has been used to maximise IJV size and thereby increase cannulation success rate and decrease complications. Realtime 2D ultrasound can be used to view neck vascular anatomy in vivo and allow IJV size to be measured. Thirty-five volunteers had the lateral diameter of their IJV measured using the SiteRite ultrasound machine to discover the most effective methods of increasing its diameter. No correlation was found between the IJV lateral diameter and subject height, weight, age or neck circumference. Carotid artery palpation and full neck extension reduced its diameter considerably. Increasing Trendelenberg increased diameter. Abdominal binder and the Valsalva manoeuvre were the most efficient methods of increasing its size.

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