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. 2021 Dec 1;322(1):R64–R76. doi: 10.1152/ajpregu.00218.2021

Figure 7.

Figure 7.

Relation between fentanyl-induced reductions in perceived pain and attenuated increases in mean blood pressure (BP) during the cold pressor test. We identified a moderate relation between reductions in pain perception and attenuations in the increases in mean BP after low-dose fentanyl administration (postfentanyl minus prefentanyl). We conducted Pearson’s correlations and present individual data for 22 paired datasets within fentanyl trials.