PMC6159791_01
Total plasma concentration of ropivacaine after a TAP block in a patient with cardiac and renal dysfunction caused by primary systemic amyloidosis.. Notes: The TAP block was performed with 40 mL of 0.15% ropivacaine on each side. Filled circles indicate the total plasma concentrations of ropivacaine. Surgery started 30 minutes after the bilateral TAP blocks.. Abbreviation: TAP, transversus abdominis plane.
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As shown in Figure 1, the plasma concentration of ropivacaine reached a maximum of 2.5 microg/mL at 15 minutes and was maintained at 1.7-1.8 microg/mL up to 60 minutes after the TAP blocks had been performed.