The influence of the direction of J-tip on the placement of a subclavian catheter: real time ultrasound-guided cannulation versus landmark method, a randomized controlled trial

Table 2 Unsuccessful placement of guidewire

	Landmark group	Ultrasound group
	(n = 30)	(n = 30)
Unsuccessful placement	14 (47%)	4 (13%)*
Failure to thread the guidewire	12 (40%)	2 (7%)*
Ipsilateral IJV	2 (7%)	2 (7%)
Complication	0	0

ISSN: 1471-2253