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  • Title: Changes in acid-base, electrolyte and hemoglobin concentrations during infusion of hydroxyethyl starch 130/0.42/6 : 1 in normal saline or in balanced electrolyte solution in children.
    Author: Sümpelmann R, Witt L, Brütt M, Osterkorn D, Koppert W, Osthaus WA.
    Journal: Paediatr Anaesth; 2010 Jan; 20(1):100-4. PubMed ID: 19968805.
    Abstract:
    INTRODUCTION: A balanced volume replacement strategy is a well established concept for correcting hypovolemia using plasma adapted isotonic crystalloid solutions with a physiological electrolyte pattern and acetate as bicarbonate precursor. Recently, third-generation hydroxyethyl starch (HES) has also become available in a balanced electrolyte solution instead of normal saline. Therefore, in this prospective non-interventional clinical study, the perioperative administration of HES 130/0.42/6 : 1 in normal saline (ns-HES) and in balanced electrolyte solution (bal-HES) was evaluated in children with a focus on acid-base, electrolyte and hemoglobin changes. METHODS: Following local ethics committee approval, pediatric patients aged up to 12 years with an ASA risk score of I-III undergoing perioperative administration of HES (ns-HES from May 2006 to December 2007, bal-HES from January 2008 to January 2009) were included. Patient demographics, the performed procedure, adverse drug reactions, hemodynamic data and the results of blood gas analysis were documented with a focus on changes in acid-base, electrolyte and hemoglobin concentrations. RESULTS: Of 396 enrolled patients (ASA I-III; age 2.3 +/- 3, range day of birth - 12 years; body weight 10.8 +/- 9, range 0.9-52 kg), 249 received ns-HES and 147 bal-HES (mean volume infused 9.9 +/- 4 and 9.4 +/- 6.9 ml x kg(-1), respectively). After HES infusion, hemoglobin decreased in both groups, whereas bicarbonate and base excess (BE) decreased only with ns-HES and remained stable with bal-HES (BE before infusion: ns-HES -1.8 +/- 2.8, bal-HES -1.7 +/- 2.7 mmol x l(-1); after infusion: ns-HES -2.6 +/- 2.4; bal-HES -1.6 +/- 2.6 mmol x l(-1), P < 0.05). Chloride (Cl) concentrations increased in both groups and were significantly higher with ns-HES (Cl before infusion: ns-HES 105.6 +/- 3.7, bal-HES 105.1 +/- 2.8 mmol x l(-1); after infusion: ns-HES 107.7 +/- 3.2, bal-HES 106.3 +/- 2.9 mmol x l(-1), P < 0.01). No serious adverse drug reactions were observed. CONCLUSION: Infusion related iatrogenic acid-base and electrolyte alterations can be minimized by using hydroxyethyl starch in a balanced electrolyte solution instead of normal saline.
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