
	Journal of Medical Sciences
	Year: 2008 \| Volume: 8 \| Issue: 7 \| Page No.: 660-664 DOI: 10.3923/jms.2008.660.664

Adding Clonidine or Dexmedetomidine to Lidocaine During Bier`s Block: A Comparative Study

M.A. Abosedira

Abstract: This prospective randomised double- blinded study was designed to compare the effects of adding either clonidine or dexmedetomidine to lidocaine during Bier`s block. Forty ASA I or II patients scheduled for elective upper limb body surface surgery under Bier`s block were recruited. Bier`s block was achieved using lidocaine in to which either dexmedetomidine 1 μg kg^-1 or clonidine 1 μg kg^-1 was added. There was no significant difference between the two groups regarding the onset or regression of both the sensory and motor blockades. Intra-operatively, there was a significant reduction in the number of patients requiring analgesia and its consumed amount in the Dexmedetomidine group (0% and 0 μg, respectively) compared to the Clonidine group (40% and 27±43 μg, respectively). Similarly, in the post-operative period there was a reduction in the number of patients requiring analgesia and its consumed amount in the Dexmedetomidine group (5% and 2.5±11 μg, respectively) compared to the Clonidine group (35% and 32±24.5 μg, respectively). The quality of anaesthesia was significantly better in the Dexmedetomidine group compared to the Clonidine group. Patients in the Dexmedetomidine group were more sedated briefly post-operatively. This study reveals that, adding dexmedetomidine to lidocaine during Bier`s block is better than adding clonidine.

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How to cite this article:

M.A. Abosedira , 2008. Adding Clonidine or Dexmedetomidine to Lidocaine During Bier`s Block: A Comparative Study. Journal of Medical Sciences, 8: 660-664.

DOI: 10.3923/jms.2008.660.664

URL: https://scialert.net/abstract/?doi=jms.2008.660.664

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