“…The plasma concentrations of midazolam, ahydroxymidazolam and a-hydroxymidazolam glucuronide in patients 2, 3, 4, 5 and 6 during the anhepatic period and following reperfusion are shown in Figure 1 (Mahon et al, 1977)), the kidney (which has been implicated in the metabolism of morphine (Moore etal., 1986)), and the lung (Heizman et al, 1983 (Brown et al, 1979;Dundee et al, 1980Dundee et al, , 1986Greenblatt et al, 1981 and. The duration of the anhepatic period is necessarily short and the calculated half-life may therefore represent a distribution rather than an elimination half-life. Caution in the application of these results to patients with severe liver failure is necessary.…”