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To clarify whether high transient elevation of serum transaminase predicts severe complications and is related to the ischemic area on CT. Postoperative laboratory data and ischemia area on CT were analyzed on the basis of the presence of high transaminase elevation (aspartate aminotransferase (AST) &gt; 1,000 IU/L within postoperative day (POD) 2 after liver resection. In the high elevation group, volume of ischemic areas was assessed by CT on POD2. The 538 patients were divided into a high transaminase group (n = 51) and a control group (n = 487). Median operation time (527 min vs. 360 min, p &lt; 0.01) and liver ischemia time (121 min vs. 70 min, p &lt; 0.01) were significantly longer, and intraoperative blood loss (478 mL [85-1572 mL] vs. 269 mL [5-4491 mL], p &lt; 0.01) was significantly greater in the high transaminase group. No significant differences observed in frequency of severe complications (Clavien-Dindo classification Grade III or more) or postoperative hospitalization. Operation time (&gt; 500 min; odds ratio (OR), 4.86; 95% confidence interval (CI), 2.40-9.89; p &lt; 0.01) and liver ischemia time (&gt; 120 min; OR, 3.47; 95%CI, 1.67-7.17; p &lt; 0.01) were independent predictors of high transaminase elevation. No relationship was observed between degree of transaminase elevation and ischemic area (correlation coefficients: AST, R 2 &lt; 0.001; alanine aminotransferase, R 2 = 0.005) CT volumetry on POD2. In conclusions, high transaminase elevations do not predict severe complications or reflect remnant ischemic area.

Neither ischemic parenchymal volume nor severe grade complication correlate transient high transaminase elevation after liver resection