• Masato Morita, Hiroshi Sasano, Takafumi Azami, Nobuko Sasano, and Hirotada Katsuya.
• Department of Anesthesiology and Medical Crisis Management, Nagoya City University Graduate School of Medical Sciences, 1 Azakawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan.
• J Anesth. 2007 Jan 1;21(4):467-71.

PurposeWe developed a novel "skin-traction method" in which the puncture point of the skin over the internal jugular vein (IJV) is stretched upward with several pieces of surgical tape in the cephalad and caudad directions to facilitate cannulation of the IJV. We investigated whether this method increases the cross-sectional area of the IJV.MethodsIn 11 healthy volunteers, the cross-sectional area, anteroposterior diameter, and transverse diameter of the right IJV (RIJV) were recorded by ultrasound echo at head tilts of +10 degrees , +5 degrees , 0 degrees , -5 degrees , and -10 degrees with and without the skin-traction method.ResultsThe skin-traction method significantly increased the cross-sectional areas of the RIJV at head tilts of +10 degrees , +5 degrees , and 0 degrees . In the flat position, the skin-traction method increased the cross-sectional area of the RIJV from 1.21 +/- 0.44 cm(2) to 1.75 +/- 0.60 cm(2) (44.6% increase), which is almost the same as that in the Trendelenburg position without this method (1.60 +/- 0.54 cm(2) at -5 degrees and 1.83 +/- 0.56 cm(2) at -10 degrees ). The anteroposterior diameter of the RIJV was significantly increased in all positions with this method, although the transverse diameter was not.ConclusionThis method significantly increased the cross-sectional area of the RIJV by increasing the anteroposterior diameter of the RIJV. Even in the flat position, this method was almost as efficacious as the Trendelenburg position. This method thus appears to facilitate IJV cannulation.

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