Impact of real-time ultrasound guidance on complications of percutaneous dilatational tracheostomy: a propensity score analysis.

Of note, both studies reported a trend toward lower complication rates with RUSG: 22% versus 37% ( P = 0.24) in the Rudas study, which was not powered to detect a difference in complication rates, and 8% versus 15% ( P = 0.054) in the Yavuz study, a near halving of complications which fell just short of statistical significance, despite the exclusion of patients with coagulopathy and CSI.

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