• J T Diehl, J L Lester, and D M Cosgrove.
• Ann. Thorac. Surg. 1982 Dec 1;34(6):674-9.

AbstractHetastarch, 6% hydroxyethyl starch solution, is an artificial colloid proposed for use as a volume expander. There is concern that hetastarch, like dextran, may adversely affect coagulation. To compare the effects of hetastarch with 5% albumin in postoperative patients, 60 consecutive patients who underwent coronary artery bypass were prospectively randomized into two study groups. Both groups were comparable in all respects preoperatively. Group 1 (27 patients) received a mean of 1,241 ml of 5% albumin and Group 2 (33 patients) a mean of 1,210 ml of hetastarch as volume replacement within the first 24 postoperative hours. Indices of postoperative hepatic, renal, and pulmonary function did not differ significantly between the groups immediately postoperatively, at 24 hours postoperatively, or at 7 days postoperatively. Hematocrits, platelet counts, prothrombin times, partial thromboplastin times, and serum fibrinogen levels were comparable between the two groups at all times. The mean volume of chest tube drainage did not differ between the groups (Group 1, 495 +/- 216 ml; Group 2, 637 +/- 402 ml; not significant), and no patient required reexploration for bleeding. Eighteen percent of Group 1 and 15% of Group 2 patients received banded blood during their hospitalization and required similar amounts (Group 1, 0.37 unit per patient; Group 2, 0.36 unit per patient; not significant). The use of hetastarch as a postoperative volume expander after myocardial revascularization is safe and effective, and results in substantial financial savings.

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