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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: Anesthesiology. 2009 Nov;111(5):1111–1119. doi: 10.1097/ALN.0b013e3181bbcc26

Figure 1.

Figure 1

Dexmedetomidine added to ropivacaine enhanced the duration of dense sensory blockade (p < 0.005) and time to return to normal sensory function (p < 0.005) in response to a thermal stimulus in a dose-dependent fashion when compared to the control group, ropivacaine alone. The graph shows the time-course of paw withdrawal latency values of the baseline taken 24 h before surgery (Baseline; mean value of all rats = 5.46 ± 1.13 seconds) and at 30-min time-points after the sciatic nerve block. DEX = dexmedetomidine; PWL = paw withdrawal latency.