Proceedings of Réanimation 2018, the French Intensive Care Society International Congress

Annals of Intensive Care

Table 1 Characteristics of 424 venous punctures performed by 53 HCWs using US guidance

	Characteristics of 424 venous punctures performed by 53 HCWs using US guidance
	Right Internal Jugular Vein				Right Axillary Vein
	LP/IP	MCP/IP	LP/OOP	MCP/OOP	LP/IP	MCP/IP	LP/OOP	MCP/OOP
Success 1st pass (%)	85	89	83	83	45	34	43	47
Success 2nd pass (%)	11	9	8	8	38	28	28	21
Success 3rd pass (%)	4	2	8	8	9	25	19	19
Puncture/liquid back flow	3	5	4	4	16	34*	16	14
Skin contact/liquid backflow	21	30*	13	20*	48	74*	39	42
Failure (%)	0	0	0	0	6	14	0	8
Arterial puncture (%)	0	4	2	0	6	16	16	16
Puncture free event (%)	100	96	98	100	95	74	84	76*^$

Puncture/liquid back flow: time (median) elapsed between skin needle penetration and liquid back flow in syringe (s)
Skin contact/liquid backflow: time (median) elapsed between probe appliance on the skin and liquid back flow in syringe (s)
Puncture free event: successful venous puncture without arterial puncture
HCW health care worker, LP linear probe, MCP micro-convex probe, IP in plane, OOP out of plane
*p < 0.05 between LP and MCP, ^$p < 0.05 between IP and OOP