Inflammatory markers following laparoscopic and open hernia repair

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Abstract
Laparoscopic surgery may reduce the inflammatory response to surgery by the avoidance of a skin incision which is frequently the site of maximum tissue trauma. We hypothesized that the inflammatory response is less with minimally invasive procedures. The aim of this study was to evaluate the response of inflammatory mediators following laparoscopic and open hernia repair. Thirty-four patients undergoing unilateral primary inguinal hernia repair were prospectively assigned to either laparoscopic mesh hernia repair (n=14), open mesh hernia repair (n=11), or a Bassini repair (n=9). Serum samples withdrawn prior to surgery, 6 h after surgery, and then again at 24 h after surgery were assayed for interleukin-6 and C-reactive protein content. Interleukin-6 levels at 24 h in the laparoscopic (13.1±3.1 pg/ml), open mesh (15.5±2.5 pg/ml), or Bassini group (15.4±2.0 pg/ml) did not differ significantly. Neither did C-reactive protein levels at 24 h in the laparoscopic (12.4±2.7 pg/ml), open mesh (23.0±7.8 pg/ml), or Bassini group (18.6±6.6 pg/ml) differ significantly. The response of inflammatory mediators to hernia repair is not modified by undertaking the procedure laparoscopically.