Figure 13-34 Correlation of plasma metocurine concentration versus percent paralysis (twitch depression) in young and elderly patients (open and closed circles). Differences are not significant. (Redrawn from Matteo RS, Backus WW, McDaniel DD, et al: Pharmacokinetics and pharmacodynamics of d-tubocurarine and metocurine in the elderly. Anesth Analg 64:23–29, 1985.)


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