Abstract
Purpose
Whether deferring surgery after endoscopic self-expandable metal stent (SEMS) placement for neoplastic stricture, and operating patients in a quasi-elective situation, may result in similar oncologic outcomes to elective operations is unclear. This study aimed to evaluate the disease-free survival (DFS) rates of patients who underwent an interval colon resection after SEMS placement or an elective operation with comparable cancer stages.
Methods
From a prospective dataset, we retrospectively selected patients with the following characteristics: (1) left-sided colon cancer and (2) cancer stage I to III. Exclusion criteria were as follows: (1) palliative surgery and (2) emergency operation. Then we stratified patients into two groups: (A) full-elective left colon resection and (B) quasi-elective left colon resection, defined as surgery performed after SEMS placement for obstructive colon cancer. DFS function was studied by the Kaplan-Meier method.
Results
After 1:2 matching based on cancer stage, 106 patients of the group A were compared with 53 patients of group B. In each group, there were 9.4% of stage I, 39.4% of stage II, and 50.9% of stage III patients. The rate of technical failure in SEMS placement was 3.8%. After a mean follow-up of 54 months, 16 (15.1%) patients in the full-elective groups and 10 (18.9%) in the quasi-elective group experience cancer recurrence (log rank = 0.588). DFS curve did not reach the median value.
Conclusions
SEMS placement with interval colon resection for obstructive neoplastic strictures seems to provide similar long-term oncologic outcomes to operations performed in an elective setting when a low rate of technical failure is achieved.
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Conception and design: NT, MC, SA, LG
Analysis and interpretation of the data: NT, MC, SA, FC, LR, LN, MD, MB, LG
Drafting of the article: NT, MC, FC, LR, LG
Critical revision of the article for important intellectual content: NT, MC, SA, FC, LR, LN, MD, MB, LG
Final approval of the article: NT, MC, SA, FC, LR, LN, MD, MB, LG
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The study protocol followed the ethical guidelines of the 1975 Declaration of Helsinki (as revised in Brazil 2013). The local Ethical Committee review of the protocol deemed that formal approval was not required owing to the retrospective, observational, and anonymous nature of this study.
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Tamini, N., Ceresoli, M., Aldè, S. et al. Quasi-elective left colectomy after endoscopic colon stenting for obstructive cancer yields comparable oncologic outcome to full-elective operation. Int J Colorectal Dis 35, 633–640 (2020). https://doi.org/10.1007/s00384-020-03519-9
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DOI: https://doi.org/10.1007/s00384-020-03519-9