Abstract
Dopamine improves renal function and renal blood flow by increasing cardiac output but its effect to ameriolate postoperative liver dysfunction has not yet been defined. Effect of 3-5 microg.kg(-1).min(-1) dopamine was studied in 22 patients who had total gastrectomy (dopamine group), and was compared with 22 patients who underwent the same operation and without dopamine infusion (control group). Liver function was evaluated from serum glutamic oxaloacetic transaminase (SGOT) and serum glutamic pyruvic transaminase (SGPT) values. Although postoperative SGOT and SGPT values in both groups were increased significantly higher than the preoperative values, the increases in SGOT (40 +/- 14 IU) and SGPT (32 +/- 15 IU) values in the dopamine group were significantly less than those in the control group (67 +/- 27 IU, 43 +/- 19 IU) ( P < 0.05, P < 0.01).In conclusion, these results suggested that this observation might be explained by amelioration of the postoperative liver dysfunction by infusion of dopamine. Dopamine infusion at a small dose during upper abdominal surgery is beneficial for liver function.
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