ArticleJournal of gastrointestinal cancer2025
Reducing AL After Double-Stapling Anastomosis: A Novel Laparoscopic Technique for Dog Ear Area Resection.
Article in Journal of gastrointestinal cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
9 authors.
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Abstract
purposeThis study evaluates the effectiveness of laparoscopic dog ear region removal as a modified double-stapling anastomosis (DSA) technique to reduce the risk of anastomotic leakage (AL) after colorectal cancer surgery.
methodsWe retrospectively analyzed 216 colorectal cancer patients who underwent laparoscopic anterior resection between January 2022 and June 2024. Patients were divided into two groups: the non-dog ear group (n = 104), which underwent dog ear area resection before DSA, and the DSA group (n = 112), which received conventional treatment.
resultsBaseline demographics, comorbidities, tumor characteristics, and preoperative treatments were comparable between the two groups (all p > 0.05). There were no significant differences in operative time (non-dog ear: 213.57 ± 57.06 min vs. DSA: 210.23 ± 65.11 min, p = 0.688) or overall complication rates (9.62% vs. 17.85%, p = 0.080). However, the non-dog ear group had significantly lower AL incidence (1.92% vs. 8.04%, p = 0.041) and shorter postoperative hospitalization and drainage tube removal times.
conclusionsIn this retrospective study, laparoscopic "dog ear" resection before DSA was associated with reduced AL risk and did not compromise surgical safety in colorectal cancer surgery, suggesting it may be a feasible refinement to standard procedures. These associations, however, require validation through prospective studies.
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