Fig. 1. Cardiac troponin I concentrations in sevoflurane-anesthetized patients during and after anesthesia. Samples were obtained before induction of anesthesia (T1 ), before ischemia (T2 ), 15 min after reperfusion (T3 ), at arrival in the postanesthetic care unit (T4 ), and 3 (T5 ), 6 (T6 ), 12 (T7 ), 18 (T8 ), and 24 h (T9 ) after arrival.