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J Clin Anesth. 2007 May;19(3):209-13.

Ulnar artery versus radial artery approach for arterial cannulation: a prospective, comparative study.

Author information

  • 1Department of Anesthesiology, Ondokuz Mayis University School of Medicine, Samsun, Turkey. skaracalar@yahoo.com

Abstract

STUDY OBJECTIVE:

To compare the ease of cannulation, success/failure rate, and complication rate between ulnar and radial arteries.

DESIGN:

Randomized, controlled study.

SETTING:

Operating room.

PATIENTS:

100 ASA physical status I, II, and III patients undergoing general anesthesia and requiring arterial cannulation.

INTERVENTIONS:

Patients were divided randomly into two separate groups of 50 patients each according to cannulation site: ulnar artery (group U) or radial artery (group R) group.

MEASUREMENTS:

The presence and fullness of the arterial pulses (strong/weak/absent), ease of cannulation (cases in which cannulation was successful on the first attempt and those that which required more than one cannulation attempt), success rate of cannulation, and complications (early/late) were all recorded.

MAIN RESULTS:

The radial artery was stronger in pulse (83% vs 73%). The success rates of cannulations for the ulnar and radial arteries were 82% and 90%, respectively (P > 0.05). The overall success rate of cannulation in the ulnar group with a strong pulse was 100%. There were significant differences in the success rate of cannulation between the patients with strong and weak pulses in the ulnar group (P < 0.0001). Ease of cannulation and complication rates of cannulations were not statistically different in both groups.

CONCLUSIONS:

The success rate of an arterial cannulation in a patient with a strong ulnar pulse is the same as for radial artery cannulation.

PMID:
17531730
[PubMed - indexed for MEDLINE]
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