Influence of different volume replacement strategies on inflammation and endothelial activation in the elderly undergoing major abdominal surgery.
OBJECTIVE
Adequate restoration of intravascular volume remains an important maneuver in the management of the surgical patient. Influence of different volume replacement regimens on inflammation/endothelial activation in elderly surgical patients was assessed.


METHODS
Prospective, randomized study.


METHODS
Surgical intensive care unit of a university-affiliated hospital.


METHODS
Sixty-six patients >65 years undergoing major abdominal surgery.


METHODS
Ringer's lactate (RL; n=22), normal saline solution (NS; n=22) or a low-molecular HES (mean molecular weight 130 kD) with a low degree of substitution (0.4; HES 130/0.4; n=22) were administered after induction of anesthesia until the 1st postoperative day (POD) to keep central venous pressure between 8-12 mmHg.


RESULTS
C-reactive protein, interleukins (IL-6, IL-8), adhesion molecules [endothelial leukocyte adhesion molecule-1 (ELAM-1) and intercellular adhesion molecule-1 (ICAM-1)] were measured prior to volume therapy at the end of surgery, 5 h after surgery and at the morning of the 1st POD. RL patients received 10,150+/-1,660 ml of RL, NS patients 10,220+/-1,770 ml of NS and the HES-treated group 2,850+/-300 ml of HES 130/0.4 and 2,810+/-350 ml of RL. Hemodynamics were similar in all groups. CRP, IL-6 and IL-8 plasma levels increased significantly higher in both crystalloid groups (IL-6 in the NS group: increase to 407+/-33 pg/ml; RL: increase to 377+/-35 pg/dl) than in the HES-130 treated group (IL-6: increase to 197+/-20 pg/dl). Plasma levels of ELAM-1 and ICAM remained almost unchanged in the HES 130-, but significantly increased in the RL- and NS-treated patients.


CONCLUSIONS
In elderly patients, markers of inflammation and endothelial injury and activation were significantly higher after crystalloid- than after HES 130/0.4-based volume replacement regimens.
Boldt
Joachim
J
Department of Anesthesiology and Intensive Care Medicine, Klinikum der Stadt Ludwigshafen, Bremserstrasse 79, 67063 Ludwigshafen, Germany. boldtj@gmx.net
Ducke
Michael
M
Kumle
Bernhard
B
Papsdorf
Michael
M
Zurmeyer
Ernst-Ludwig
EL
D000005:Abdomen / Q000601:surgery*; D000368:Aged; D000704:Analysis of Variance; D015815:Cell Adhesion Molecules / Q000097:blood; D000077324:Crystalloid Solutions; D004727:Endothelium / Q000378:metabolism / Q000503:physiopathology*; D005260:Female; D005440:Fluid Therapy / Q000379:methods*; D006801:Humans; D006895:Hydroxyethyl Starch Derivatives / Q000627:therapeutic use*; D007249:Inflammation / Q000378:metabolism / Q000503:physiopathology*; D007552:Isotonic Solutions; D008297:Male; D019990:Perioperative Care / Q000379:methods*; D010952:Plasma Substitutes / Q000627:therapeutic use*; D011446:Prospective Studies; D018709:Statistics, Nonparametric
D015815:Cell Adhesion Molecules; D000077324:Crystalloid Solutions; D006895:Hydroxyethyl Starch Derivatives; D007552:Isotonic Solutions; D010952:Plasma Substitutes