Anesthetic Volume for Ultrasound-Guided Ã¢ÂÂDouble BubbleÃ¢ÂÂ Infraclavicular Block: Comparison of Ropivacaine 0.75% 30ml Vs 35ml
- *Corresponding Author:
- Alessandro Di Filippo
Department of Critical Care
Section of Anaesthesia c/o Careggi Teaching Hospital
University of Florence, Italy
E-mail: [email protected]
Received date: October 05, 2012; Accepted date: October 23, 2012; Published date: October 30, 2012
Citation: Filippo AD, Molinaro A, Iskandar AG, Deodati R, Visco C, et al. (2012) Anesthetic Volume for Ultrasound-Guided “Double Bubble” Infraclavicular Block: Comparison of Ropivacaine 0.75% 30ml Vs 35ml. J Anesth Clin Res 3:253. doi: 10.4172/2155-6148.1000253
Copyright: © 2012 Filippo AD, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
For an UltraSound guided Infraclavicular Block, a non-inferiority randomized study was conducted comparing two volumes of ropivacaine 0.75%: 35 ml vs 30ml. Fifty 18-70 years old patients undergoing upper limb surgery, ASA I-II were enrolled. Exclusion criteria included existing neurologic disease, coagulopathy, allergy, pregnancy, previous surgery in clavicular region, BMI more than 30 kg/m2 or patients unable to give written consent. Using US guidance, a 22 gauge/80 mm SonoPlex needle (Pajunk®) was advanced until the tip was located dorsally to the artery at a 6-o’clock position. Correct placement was ensuring by a “double bubble” sign. The block was performed by delivering ropivacaine 0.75% via an infusion pump (Alaris® PK) at 600 ml/h.