Effect of Prednisolone on Local and Systemic Response in Laparoscopic vs. Open Colon Surgery

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Abstract
This study was designed to assess whether preoperative, short-term, intravenously administered high doses of methylprednisolone (30 mg/kg 90 minutes before surgery) influence local and systemic biohumoral responses in patients undergoing laparoscopic or open resection of colon cancer. Fifty-two patients who were candidates for curative colon resection were randomly assigned to laparoscopic or open surgery and, in a double-blind design, assigned to receive methylprednisolone (n = 26) or placebo (n = 26). Pulmonary function, postoperative pain, C-reactive protein, interleukins 6 and 8, and tumor necrosis factor alpha were analyzed, as was patient outcome. The steroid and placebo groups were well balanced for preoperative variables, as were the subgroups of patients who underwent laparoscopic (methylprednisolone, n = 13; placebo, n = 13) and open surgery (methylprednisolone, n = 13; placebo, n = 13). No adverse events related to steroid administration occurred. In the methylprednisolone groups, significant improvement in pulmonary performance (P = 0.01), pain control (P = 0.001), and length of stay (P = 0.03) were observed independent of the surgical technique. No differences in morbidity or anastomotic leak rate were observed among groups. Preoperative administration of methylprednisolone in colon cancer patients may improve pulmonary performance and postoperative pain, and shorten length of stay regardless of the surgical technique used (laparoscopy, open colon resection).