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A Journal on Surgery
Indexed/Abstracted in: EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,877
Minerva Chirurgica 2006 August;61(4):283-92
Laparoscopic-assisted versus open surgery for colorectal cancer: postoperative morbidity in a single center randomized trial
Frasson M. 1, Braga M. 1, Vignali A. 1, Zuliani W. 1, Gruarin P. 2, Dellabona P. 2, Di Carlo V. 1
1 Dipartimento di Chirurgia Università Vita e Salute San Raffaele, Milano
2 Programma di Immunoterapia e Terapia Genetica dei Tumori Istituto Scientifico San Raffaele, Milano
Aim. The primary objective of the study was to compare the effect of laparoscopic-assisted (LPS) versus open surgery (LPT) for colorectal cancer on postoperative morbidity. The secondary objectives were to evaluate immune response and intestinal wall oxygen perfusion.
Methods. A total of 610 patients with colorectal cancer were randomly assigned to receive colon resection by either LPS (n=306) or LPT (n=304). Four surgical staff members not involved in the study recorded postoperative complications up to 30 days after the operation. Immune response was evaluated by measuring lymphocytic proliferation after challenge with Candida albicans and phytohemoagglutinin before, at 3 and 15 days after the operation. Intestinal wall oxygen perfusion was continuously monitored using a probe.
Results. The conversion rate was 4.6% in the LPS group. Morbidity was 18.6% in the LPS group and 34.5% in the LPT group (P<0.0005). Infections developed in 9.1% of LPS-treated patients and in 20.2% of LPT-treated patients (P<0.0005). The mean length of stay was 9.7±2.6 days in the LPS group and 12.2±4.2 days in the LPT group (P<0.0001). In both groups lymphocytic proliferation was low at 3 days postoperative but returned to normal range at 15 days only in the LPS group. Interoperative intestinal oxygen perfusion values were higher in the LPS group.
Conclusions. Laparoscopic colorectal surgery reduced both postoperative morbidity and length of stay. Lymphocytic proliferation and intestinal wall oxygen perfusion were higher in patients who underwent laparoscopic-assisted surgery.