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Summary: Background/objective: Patients with left-sided malignant colorectal obstruction require emergency treatment. Emergency stoma surgery has traditionally been recommended, however many stomas became permanent, decreasing patient quality of life. Recently, self-expandable metallic stents (SEMS) and transanal decompression tubes (TDT) have become widely used decompression methods to avoid stoma surgery. In this study, we evaluated: 1) the efficacy of SEMS compared with TDT and emergency surgery (ES) to avoid permanent stomas; and 2) the safety and success rate of each treatment. Methods: We retrospectively reviewed data from 56 patients who underwent SEMS, TDT, or emergency surgery for malignant left-sided colon obstruction. We compared the permanent stoma rate of each group, and assessed whether or not each treatment was an independent risk factor for permanent stomas. We compared morbidity and mortality for each treatment group (SEMS, TDT, ES), and the success rate of the decompression procedures (SEMS and TDT). Results: The permanent stoma rates in the SEMS, TDT, and ES groups were 5.3%, 50.0%, and 56.0%, respectively. Emergency surgery (vs. SEMS) and TDT (vs. SEMS) were independent risk factors for permanent stomas, as was age ≥ 75 years. Operative morbidity, mortality, and hospital stay were not different between groups. The success rate of SEMS was significantly higher than TDT; however, two deaths, including one perforation, occurred in the former group. Conclusion: SEMS seems to be effective in avoiding permanent stomas, but caution should be taken to avoid complications. Keywords: Emergency stoma surgery, Left-sided malignant colon obstruction, Self-expandable metallic stents, Transanal decompression tubes |
