title: Volume replacement with HES 130/0.4 may reduce the inflammatory response in patients undergoing major abdominal surgery.
abstract: OBJECTIVE
  To investigate the effects of intravascular volume replacement therapy on the inflammatory response during major surgery.
  
  
  METHODS
  Thirty-six patients scheduled for elective abdominal surgery were randomized to receive either 6% hydroxyethylstarch (130,000 Dalton mean molecular weight, degree of substitution 0.4; n = 18, HES-group) or lactated Ringer's solution (RL-group; n = 18) for intravascular volume replacement. Fluid therapy was given perioperatively and continued for 48 hr in the intensive care unit. Volume replacement was guided by physiological parameters. Serum concentrations of interleukin (IL)-6, IL-8 and IL-10 and soluble adhesion molecules (sELAM-1 and sICAM-1) were measured after induction of anesthesia, four hours after the end of surgery, as well as 24 hr and 48 hr postoperatively.
  
  
  RESULTS
  Biometric and perioperative data, hemodynamics and oxygenation were similar between groups. On average, 4470 +/- 340 mL of HES 130/0.4 per patient were administered in the HES-group compared to 14310 +/- 750 mL of RL in the RL-group during the study period. Release of pro-inflammatory cytokines IL-6 and IL-8 was significantly lower in the HES-group [(peak values) 47.8 +/- 12.1 pg*dL(-1) of IL-6 and 35.8 +/- 11.2 pg*mL(-1) of IL-8 (HES-group) vs 61.2 +/- 11.2 pg*dL(-1) of IL-6 and 57.9 +/- 9.7 pg*mL(-1) of IL-8 (RL-group); P < 0.05]. Serum concentrations of sICAM-1 were significantly higher in the RL-group [(peak values) 1007 +/- 152 ng*mL(-1) (RL-group) vs 687 +/- 122 ng*mL(-1), (HES group); P < 0.05)]. Values of sELAM-1 were similar in both groups.
  
  
  CONCLUSIONS
  Intravascular volume replacement with HES 130/0.4 may reduce the inflammatory response in patients undergoing major surgery compared to a crystalloid-based volume therapy. We hypothesize that this is most likely due to an improved microcirculation with reduced endothelial activation and less endothelial damage.
authors.affiliation: Departments of Anesthesiology and Intensive Care Medicine, and Clinical Chemistry, Klinikum der Stadt Ludwigshafen, Akademisches Lehrkrankenhaus der Universität Mainz, Ludwigshafen, Germany. Lang.Katrin@gmx.de
authors.forename: Katrin
authors.initials: K
authors.lastname: Lang
authors.forename: Stefan
authors.initials: S
authors.lastname: Suttner
authors.forename: Joachim
authors.initials: J
authors.lastname: Boldt
authors.forename: Bernhard
authors.initials: B
authors.lastname: Kumle
authors.forename: Dietmar
authors.initials: D
authors.lastname: Nagel
mesh_terms: D000005:Abdomen / Q000601:surgery; D000368:Aged; D005260:Female; D005440:Fluid Therapy / Q000379:methods*; D006801:Humans; D006895:Hydroxyethyl Starch Derivatives / Q000008:administration & dosage*; D007022:Hypotension / Q000209:etiology / Q000628:therapy; D007249:Inflammation / Q000209:etiology / Q000628:therapy; D018836:Inflammation Mediators / Q000378:metabolism*; D007378:Interleukins / Q000378:metabolism; D007552:Isotonic Solutions / Q000008:administration & dosage*; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D011446:Prospective Studies; D000077325:Ringer's Lactate
chemical_list: C485123:HES 130-0.4; D006895:Hydroxyethyl Starch Derivatives; D018836:Inflammation Mediators; D007378:Interleukins; D007552:Isotonic Solutions; D000077325:Ringer's Lactate