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

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

In the present study, the cross-sectional area of subclavian vein, the distances of subclavian vein ~ subclavian artery and subclavian vein ~ pleura are assessed in different head positions (neutral, rotation to ipsilateral or contralateral sides) in spontaneous breathing adults.

Inclusion Criteria:

• Healthy adults

Exclusion Criteria:

• Medication affecting vascular elasticity
• History of central venous catheterization or clavicle fracture
• History of lung surgery, operation of chest cage