Production of Intraperitoneal Interleukin-6 Following Open or Laparoscopic Assisted Distal Gastrectomy
2014
Abstract The interleukin (IL)-6 concentration in plasma or serum has been considered to represent the degree of stress resulting from surgery. However, IL-6 in peritoneal fluid has rarely been considered. The aim of this study was to assess the concentration and amount of IL-6 in peritoneal fluid as indicators of surgical stress. To obtain basic data on peritoneal release of IL-6 during gastric cancer surgery, we measured IL-6 in peritoneal drainage samples, stored for up to 72 hours postoperatively, from patients who had undergone conventional open (ODG group, n = 20) and laparoscopic-assisted (LADG group, n = 19) distal gastrectomy. Within 24 hours, 61 and 77% of the IL-6 was released into the peritoneal cavity in the LADG and ODG groups, respectively. In both groups, the concentration and amount of peritoneal fluid IL-6 were significantly correlated with each other (LADG group: Spearman's rank correlation test [rS] = 0.48, P = 0.04; ODG group: rS = 0.58, P = 0.01). The concentration and amount of IL-6 ...
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