Sa1593 Long-Term Oncologic Outcomes in Colon Cancer Patients With “Bridge to Surgery” Stenting. Comparative Study With TNM Matched Controls

Abstract

Long-Term Oncologic Outcomes in Colon Cancer Patients With “Bridge to Surgery” Stenting. Comparative Study With TNM Matched Controls Francisco Igea, Sergio Maestro, Rocio Silvana Castillo, Antonio Perez Millan, Henar Nunez, Rosa Eva Madrigal, Esther Saracibar, Javier Barcenilla Complejo Hospitalario de Palencia, Palencia, Spain Background: Expandable metal stents are frecquently used as a bridge to surgery in colon cancer occlusions. Recently worse oncologic outcomes have been described comparing stented patients with control group matched by TNM staging (1). This could be a serious limitation for continuing stenting occluded colon cancers. At present moment,there are no randomized, prospective data. Aims: Compare oncologic outcomes of patients stented vs controls matched by age,sex,TNM stage and year of diagnosis. Methods: We reviewed all our colon cancer patients stented as bridge to surgery during the period nov 1999 nov 2007. A control group of colon cancer patients matched by sex , age, TNM staging and year of diagnosis was extracted from our database. All the patients were treated in our institution by the same surgeons and oncologysts. Global survival and presence of disease at 3 and five years were compared. Results: Population and TNM stagin carachteristics are reflected in Table 1. We found 41 stent patients and 73 non-stented matched controls. Stage IV was finally excluded in this study because serious difference in treatment approach between both groups. Three year survival in groups II & III was 65,7 % in stented group vs 75% in control group (ns.). Presence of disease was 13 % vs 7,8% in control group. Results at five years follow up in stage II & III are summarized in table 2 No significant difference was observed between both groups. Conclusions: 1) There are no significant diference in survival and disease free survival at 3 and five years in our experience 2)Prospective randomized studies are needed to elucidate this point(1)World J Surg. 2009 Jun;33(6)1281-6. Oncologic outcomes of selfexpanding metallic stent insertion as a bridge to surgery in the management of left-sided colon cancer obstruction: comparison with nonobstructing elective surgery. Kim JS,et al.