Comparison of the visualisation of the subclavian and axillary veins: An ultrasound study in healthy volunteers - 21/02/17
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Abstract |
Objective |
To compare the area of the lumen of the axillary and subclavian veins using ultrasound (US) in 50 healthy volunteers.
Methods |
Using an ultrasound device, depth, area, short axis vein length and long axis vein, vein-artery and vein-pleura distances were measured for axillary and subclavian approaches.
Results |
The mean cross-sectional area of the axillary vein was greater than the mean cross-sectional area of the subclavian vein (327±89 mm2 versus 124±46 mm2, P<0.001). Both the mean transverse (10±2mm versus 9±2mm) and longitudinal axes (39±8mm versus 17±7mm) of the axillary vein were greater than those of subclavian vein (P<0.01, P<0.001, respectively). The depths of the axillary and subclavian veins were similar (21±6mm versus 20±6mm, P=0.43). The axillary and subclavian arteries were visualised in 3 and 45 volunteers, respectively (P<0.001). The pleura was seen in 25 and 37 volunteers with the axillary and subclavian approaches, respectively (P=0.01). The distance between the pleura and the subclavian vein was smaller (6±2mm versus 8±3mm, P<0.04).
Conclusion |
The present US study shows that visualisation of the axillary vein under US is greater than that for the subclavian vein, mainly due to a better alignment with the long axis of the axillary vein leading to a greater cross-sectional area of the axillary vein.
Trial register number |
NCT01647815.
Le texte complet de cet article est disponible en PDF.Keywords : Central venous catheter, Subclavian vein, Axillary vein, Ultrasound
Plan
Vol 36 - N° 1
P. 65-68 - février 2017 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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