Correction

In Table 4 on page 32 of the article "Local and regional anesthesia techniques, Part 1: Overview and five simple techniques" (January 2009), the units of measurement for the dosages of medetomidine and dexmedetomidine in the section on the intravenous regional block (Bier block) were incorrect. The units of measurement should have appeared as follows:

Click to enlarge corrected table

* The medetomidine and dexmedetomidine dosages are based on the authors' clinical experience. The authors also note that the effective minimum dosages have not been determined, but doses less than 1 µg/kg (total) of medetomidine or dexmedetomidine should be safe in patients with cardiovascular stability.