Zhong Wu1, Jin Zhou, Prasoon Pankaj, Bing Peng. 1. Department of Hepatopancreatobiliary Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China.
Abstract
OBJECTIVE: We sought to investigate the perioperative inflammatory response and immunological function of patients with portal hypertension-induced splenomegaly who underwent laparoscopic (LS) or open splenectomy (OS). METHODS: This prospective study investigated a total of 34 patients with splenomegaly due to portal hypertension who underwent either LS (n = 18) or OS (n = 16) between May 2009 and September 2010. Peripheral venous blood samples were taken from these patients prior to surgery and on postoperative days (POD) 1, 3, and 7. The perioperative clinical outcomes and immunological function results were analyzed and compared within each surgical group. RESULTS: The demographics of the two groups did not differ. The patients in the LS group experienced longer operating time, less intraoperative blood loss, earlier resumption of diet, and shorter postoperative hospital stay. Both the open and laparoscopic groups exhibited statistically significant differences in interleukin -6 and C-reactive protein levels, and total lymphocyte, CD4 T, and natural killer cell numbers on POD 1 and 3 compared with pre splenectomy. The immune responses in the LS group were significantly lower than those in the OS group. The LS group exhibited better preserved cellular immune response and faster recovery than the OS group on POD 7. CONCLUSIONS: An examination of the inflammatory reaction and cellular immune response after LS and OS demonstrated that there are significant differences in the immune responses observed in the two groups. Further human studies are required to determine the permanent effects of LS on immune function.
OBJECTIVE: We sought to investigate the perioperative inflammatory response and immunological function of patients with portal hypertension-induced splenomegaly who underwent laparoscopic (LS) or open splenectomy (OS). METHODS: This prospective study investigated a total of 34 patients with splenomegaly due to portal hypertension who underwent either LS (n = 18) or OS (n = 16) between May 2009 and September 2010. Peripheral venous blood samples were taken from these patients prior to surgery and on postoperative days (POD) 1, 3, and 7. The perioperative clinical outcomes and immunological function results were analyzed and compared within each surgical group. RESULTS: The demographics of the two groups did not differ. The patients in the LS group experienced longer operating time, less intraoperative blood loss, earlier resumption of diet, and shorter postoperative hospital stay. Both the open and laparoscopic groups exhibited statistically significant differences in interleukin -6 and C-reactive protein levels, and total lymphocyte, CD4 T, and natural killer cell numbers on POD 1 and 3 compared with pre splenectomy. The immune responses in the LS group were significantly lower than those in the OS group. The LS group exhibited better preserved cellular immune response and faster recovery than the OS group on POD 7. CONCLUSIONS: An examination of the inflammatory reaction and cellular immune response after LS and OS demonstrated that there are significant differences in the immune responses observed in the two groups. Further human studies are required to determine the permanent effects of LS on immune function.
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