British Journal of Anaesthesia, 2003, Vol. 91, No. 2 196-202
© 2003 The Board of Management and Trustees of the British Journal of Anaesthesia
Clinical Investigations |
Plasma substitution effects of a new hydroxyethyl starch HES 130/0.4 compared with HES 200/0.5 during and after extended acute normovolaemic haemodilution
1 Department of Anaesthesiology, 2 Department of Intensive Care and 3 Department of Urology, Erasme University Hospital, 808 route de Lennik, B-1070 Brussels, Belgium. 4 Clinical Research, Fresenius Kabi, Bad Homburg, Germany. 5 Department of Cardiac Anaesthesia BT4, CHU Charleroi, 92 Boulevard Paul Janson, B-6000 Charleroi, Belgium
Corresponding author. E-mail: philippe.vanderlinden@chu-charleroi.be
Declaration of interest. Supported by a grant from Fresenius Kabi GmbH, Bad Homburg, Germany. Frank Bepperling is employed by Fresenius Kabi, 61346 Bad Homburg, Germany.
Background. The volume expansion effect of a recently introduced hydroxyethyl starch, HES 130/0.4, was compared with the commonly used HES 200/0.5 after rapid infusion of a single large dose (up to 2 litres) administered during acute normovolaemic haemodilution (ANH).
Methods. This prospective, randomized, double-blind study included 40 patients scheduled for major abdominal surgery with no contraindication to ANH. Patients were randomized to undergo ANH with either HES 130/0.4 (n=20) or HES 200/0.5 (n=20). Blood was collected to reach a target haemoglobin level of about 8.0 g dl1 and simultaneously replaced by the same volume of colloid (HES 130: 1825 [SD 245] ml; HES 200: 1925 [183] ml). Heart rate, mean arterial pressure, cardiac filling pressure, and cardiac output were measured before induction of anaesthesia (baseline), 10 min after completion of ANH, before surgery, at the end of surgery and on the following morning (postoperative day 1; POD1). ANH blood was systematically retransfused during surgery or before POD1.
Results. Exchange of about 40% of blood volume resulted in similar haemodynamic changes in both groups. Filling pressures increased significantly, while cardiac index remained unchanged (HES 130: from 3.3 [0.4] to 3.2 [0.7] litre min1 m2; HES 200: from 3.0 [0.6] to 3.1 [0.7] litre min1 m2). Need for crystalloids and colloids was similar between the groups during surgery and on POD1. Total blood loss (HES 130: median 2165 ml, range 6602970 ml; HES 200: median 2464 ml, range 64019 380 ml) and amount of allogeneic red blood cells transfused (HES 130: median 0, range 04 units; HES 200: median 0, range 018 units) were comparable in the two groups.
Conclusions. This study demonstrates a good immediate and medium-term plasma volume substitution effect of HES 130 compared with HES 200. HES 130 could represent a suitable synthetic colloid for plasma volume substitution during extensive ANH.
Br J Anaesth 2003; 91: 196202
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