-
Randomized Controlled Trial Comparative Study
[Comparison of ultrasound-guided and blindly placed radial artery catheterization].
- Mitsutaka Edanaga, Mitsuko Mimura, Takashi Azumaguchi, Michiko Kimura, and Michiaki Yamakage.
- Department of Anesthesia, Nippon Telegraph and Telephone East Corporation Sapporo Hospital, Sapporo 060-8541.
- Masui. 2012 Feb 1;61(2):221-4.
BackgroundThe purpose of this study was to evaluate whether ultrasound (US)-guided radial artery catheterization decreases the number of failed attempts.MethodsA total of 36 patients requiring an arterial catheter were enrolled. Patients were divided into 3 groups: 1) a blind palpation technique group, 2) an US-guided short-axis group, and 3) an US-guided long-axis group. The vascular access was performed by one anesthesiologist. The number of attempts at catheter placement was compared within the groups.ResultsThere were no significant differences among the groups in number of attemps (P = 0.268); however, it seems that the deviation of attempts was small in the US groups.ConclusionsBecause the artery and catheter are actually visualized by US, it seems, that US-guided radial artery catheterization is a safe and educational technique.
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