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Background: Thorough training is essential to the success of colorectal laparoscopic surgery (LPS). The aim of this study was to evaluate the results of a 3-month training period in LPS. Methods: Before beginning the study, the surgical team attended several courses of LPS and spent a long time working at a large animal facility to perfect laparoscopic techniques. Twenty-six consecutive patients underwent LPS in a 3-month training period. Controls (n = 26) who underwent open colorectal surgery (LPT) were selected to match the LPS patients for age, gender, primary disease, type of surgery, comorbidity, and nutritional status. Results: Conversion to open surgery was necessary in one patient (3.8%). The operative time was 1 h longer for LPS than LPT (p < 0.001). The mean number of lymph nodes harvested was 17 in LPS and 18 in LPT (p = 0.76). The first flatus (p < 0.02) and bowel movement (p < 0.002) occurred earlier in the LPS group. The postoperative infection rate was 11.5% for LPS and 19.2% for LPT (p = 0.33). Two anastomotic leaks occurred in each group. The mean postoperative hospital stay was 9.6 days (standard deviation [SD], 2.6) for LPS and 11.0 days (SD, 5.2) for LPT (p = 0.68). Recovery of postoperative physical performance and social life occurred earlier in the LPS than the LPT group (p < 0.001). At 1-year follow-up, no difference was found in terms of cancer recurrence or long-term complications. Conclusion: Oncologic results and postoperative morbidity were comparable for LPS and LPT. LPS allows a faster postoperative recovery.

This study was designed to compare metabolic and functional results after laparoscopic and open colorectal resection. Seventy-nine patients were randomly assigned to laparoscopic (n = 40) or open (n = 39) colorectal resection. Before and after operation, the following parameters were determined: respiratory function (spirography and blood gas); serum level of cortisol, lactate, and C-reactive protein; total lymphocyte count; and CD4 and CD8 lymphocyte subsets. Intraoperative core temperature was measured by a bladder probe. Postoperative pain and analgesic consumption were also monitored. Mild operative hypothermia, a trend to postoperative reduction of total lymphocyte count, and significant impairment of respiratory function early after surgery were found in both groups. Laparoscopy showed a higher CD4/CD8 ratio (P= 0.01) on postoperative Day 1 and a faster return of C-reactive protein to preoperative values (P= 0.01) than in the open colorectal resection group. Morphine consumption in the first 48 hours after surgery was lower in the laparoscopic than in the open group (P= 0.02). Laparoscopy was associated with a less pronounced immunosuppression and inflammatory response and a lower consumption of analgesic drugs than open surgery. Moreover, our data did not show any additional detrimental effect of laparoscopy on either operative core temperature or early postoperative respiratory function.