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Revista Brasileira de Anestesiologia
Print version ISSN 0034-7094
CONCEICAO, Diogo Brüggemann da; HELAYEL, Pablo Escovedo and OLIVEIRA FILHO, Getúlio Rodrigues de. A comparative study between ultrasound and neurostimulation guided axillary brachial plexus block. Rev. Bras. Anestesiol. [online]. 2009, vol.59, n.5, pp. 585-591. ISSN 0034-7094. http://dx.doi.org/10.1590/S0034-70942009000500007.
Conceição DB, Helayel PE, Oliveira Filho GR - A Comparative Study between Ultrasound- and Neurostimulation-Guided Axillary Brachial Plexus Block. BACKGROUND AND OBJECTIVES: The use of ultrasound in Regional Blocks is increasingly more frequent. However, very few studies comparing ultrasound and neurostimulation have been conducted. The objective of this study was to compare neurostimulation-guided axillary brachial plexus block with double injection and ultrasound-guided axillary plexus block for hand surgeries. The time to perform the technique, success rate, and complications were compared. METHODS: After approval by the Ethics on Research Committee of the Hospital Governador Celso Ramos, 40 patients scheduled for elective hand surgeries under axillary plexus block were selected. Patients were randomly divided into two groups with 20 patients each: Neurostimulation (NE) and Ultrasound (US) groups. The time to perform the technique, success rate, and complication rate were compared. RESULTS: Complete blockade, partial failure, and total failure rates did not show statistically significant differences between the US and NE groups. The mean time to perform the technique in the US group (354 seconds) was not statistically different than that of the NE group (381 seconds). Patients in the NE group had a higher incidence of vascular punctures (40%) when compared with those in the US group (10%, p < 0.05). The rate of paresthesia during the blockade was similar in both groups (15%). CONCLUSIONS: The success rate and time to perform the blockade were similar in ultrasound- and neurostimulation-guided axillary plexus block for hand surgeries. The rate of vascular puncture was higher in neurostimulation-guided axillary plexus block.
Keywords : ANESTHESIA, Regional [axillary plexus block]; EQUIPMENT [neurostimulator]; EQUIPMENT [ultrasound].