Use of a needle-guided device to facilitate axillary vein cannulation
Résumé
Time is expressed in seconds. Success was defined as blue liquid return in the syringe. Quantitative and qualitative data are expressed as medians (range), and numbers (percentage), respectively. *P=0.008 compared to standard Us guidance; † P=0.01 compared to standard Us guidance; § P=0.03 compared standard Us guidance.