alexa A Comparison Of Prilocaine 1% Versus 1.5% For Ultrasound-guided Axillary Brachial Plexus Block For Hand Surgery
ISSN: 2161-0533

Orthopedic & Muscular System: Current Research
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10th Global Orthopedicians Annual Meeting
July 03-04, 2017 Kuala Lumpur, Malaysia

Van Eeckhout K, Poelaert J, Staelens B, Flamée P and Bhutia J T
UZ Brussels, Belgium
ScientificTracks Abstracts: Orthop Muscular Syst
DOI: 10.4172/2161-0533-C1-032
Abstract
Objective: The objective of the study was to compare the anesthetic characteristics of prilocaine 1% and 1.5% in terms of onset and offset time of sensorimotor block and methemoglobinemia levels, when used for ultrasound guided axillary brachial plexus blocks. Methods: The prospective, randomised, double-blinded trial was conducted at the University Hospital Brussels on 60 patients (ASA I-III, age range 19-86) scheduled for ambulatory hand surgery. The axillary brachial plexus blocks were performed with ultrasound alone with selective injection of 5 ml of 1% prilocaine or 1.5% prilocaine around each nerve (20 ml in total). Onset time and duration of sensory and motor block were assessed, as well as peak methemoglobinemia levels 2 hours after injection. Results: Mean onset time for sensory block in the 1% prilocaine group was 15 min for the median nerve and 12 min for ulnar and musculocutaneous nerve compared to 15 min for the median nerve and 9 min for ulnar and musculocutaneous nerve in the 1.5% group. Mean duration of sensory and motor block was 265 min and 247 min respectively for the 1% group versus 255 min and 245 min for the 1.5% group. The average methemoglobinemia level was 2.25% for the 1% group compared to 3.03% for the 1.5% group. Conclusion: We conclude that there is no statistically significant difference between 1% and 1.5% prilocaine in terms of onset and offset times of the sensorimotor block. However, significantly higher levels of methemoglobinemia were found in 1.5% group.
Biography

Van Eeckhout K is an Anesthesiology Resident at University Hospital Brussels, Belgium.

Email: [email protected]

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