• E Graziola, G Elena, M Gobbo, F Mendez, D Colucci, and N Puig.
• Departamento de Anestesia, Hospital Italiano de Rosario, República Argentina.
• Rev Esp Anestesiol Reanim. 2005 Apr 1;52(4):208-16.

ObjectiveGiven the immunomodulatory effects of anesthesia and surgery, 2 anesthetic regimens in clinical use were compared to evaluate hemodynamic, stress, and immunologic response in patients undergoing laparoscopic cholecystectomy.Patients And MethodsRandomized controlled trial in patients classified ASA I and scheduled for laparoscopic cholecystectomy. Patients were randomly assigned to the inhaled anesthetic group (13 anesthetized with propofol-fentanyl-isoflurane) or the total intravenous anesthesia (TIVA) group (14 patients anesthetized with propofol-remifentanil). Patients in both groups received the muscle relaxant vecuronium. We assessed hemodynamic variables, cortisol levels, prolactin, interleukin 6, white cell and lymphocyte counts before, during (1 hour after induction) and after (24 hours and 7 days) surgery.ResultsHemodynamic variables were stable in both groups. Significant changes in prolactin levels and markers of immune and inflammatory responses between baseline and later measurements occurred in both groups. Patients who received TIVA had no change in cortisol levels at any time during the study. The TIVA group had lower levels of cortisol than did the inhaled anesthesia group (TIVA, 207 [SD, 100] ng/mL; inhaled 293 [97] ng/mL; P<0.05)), higher neutrophil counts (TIVA, 75 [12.5]%; inhaled: 62 [20]%; P<0.05) and higher CD4+ T lymphocyte counts (TIVA, 53 [11.6]%; inhaled: 42 [17.6]%; P<0.001).ConclusionAlthough both techniques afford hemodynamic stability, lower cortisol levels were observed with the application of TIVA with propofol-remifentanil. That would be the technique of choice for patients with compromised immune response.

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