• Anesthesia and analgesia · Jun 2018

    Clinical Trial

    The Effect of Head Position on the Cross-sectional Area of the Subclavian Vein.

    • Hyerim Kim, Jee-Eun Chang, Jung-Man Lee, Sung-Hee Han, Jung-Hee Ryu, and Jin-Young Hwang.
    • From the Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea.
    • Anesth. Analg. 2018 Jun 1; 126 (6): 1946-1948.

    AbstractIn 41 healthy volunteers, we investigated the cross-sectional area (CSA) of the subclavian vein (SCV) in the following head positions: neutral and 30° head rotation toward the contralateral or ipsilateral sides. Significant differences were observed in the CSA of the SCV at 3 different head positions: contralateral 30° versus neutral, -0.05 cm (95% confidence interval, -0.08 to -0.03); contralateral 30° versus ipsilateral 30°, -0.15 cm (-0.19 to -0.12); neutral versus ipsilateral 30°, -0.10 cm (-0.13 to -0.07); all Pcorrected< .001). For SCV catheterization, 30° head rotation to the ipsilateral side provided significant improvements in the CSA compared with the other head positions.

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