Annals of emergency medicine
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Randomized Controlled Trial
Ultrasonographically guided peripheral intravenous cannulation in emergency department patients with difficult intravenous access: a randomized trial.
We seek to compare ultrasonographically guided peripheral intravenous access to a non-ultrasonographically guided method in a randomized trial of emergency department patients with difficult intravenous access. ⋯ Ultrasonographically guided peripheral intravenous cannulation did not decrease the number of attempts or the time to successful catheterization, nor did it improve patient satisfaction compared with the group that did not use ultrasonography. Superiority of ultrasonographically guided peripheral intravenous cannulation is not supported by this study.