Long-term outcomes of single-incision versus multiport laparoscopic colectomy for colon cancer: results of a propensity score-based analysis
- 26 February 2021
- journal article
- research article
- Published by Springer Science and Business Media LLC in Surgical Endoscopy
- Vol. 36 (2), 1027-1036
- https://doi.org/10.1007/s00464-021-08367-4
Abstract
Background Long-term outcomes of single-incision laparoscopic colectomy (SILC) for colon cancer (CC), as practiced in real-world settings, especially in relation to disease stage, have not been established. We examined, retrospectively, both short- and long-term outcomes of SILC versus those of multiport laparoscopic colectomy (MPLC) performed for CC in a propensity-score-matched cohort. Methods The study involved 263 patient pairs matched 1:1 from among 691 patients who, between January 2008 and May 2014, underwent either SILC or MPLC for a primary solitary CC at our hospital. Short-term and long-term operative outcomes were compared between the two groups. Results Operation time was the only surgical outcome that varied significantly between the two groups (p = 0.0004). Overall 5-year cancer-specific survival (CSS) in the SILC group was 93.7 (95% CI 89.6–96.2)%, and CSS per pathological stage (I, II and III) was 98.5 (90.0–99.8)%, 96.0 (88.2–98.7)%, and 88.3 (79.6–93.6)%, respectively, whereas overall 5-year CSS in the MPLC group was 93.3 (89.4–95.9)%, and CSS per pathological stage was 100%, 95.4 (88.3–98.3)%, and 84.1 (74.1–90.8)% (p = 0.5278, 0.2679, 0.7666, and 0.9073), respectively. Overall 3-year disease-free survival (DFS) in the SILC group was 94.0 (90.2–96.4)%, and 3-year DFS per pathological stage was 98.6 (90.4–99.8)%, 90.1 (81.4–95.0)%, and 79.0 (69.4–86.2)%, respectively, whereas overall 3-year DFS in the MPLC group was 93.2 (89.4–95.7)%, and 3-year DFS per pathological disease stage was 100%, 94.5 (87.4–97.7)% and 75.5 (64.7–83.8)% (p = 0.2829, 0.7401, 0.4335 and 0.8518), respectively. Thus, oncological outcomes did not differ significantly between groups. Incisional hernia occurred in 21 (8.0%) SILC group patients and 17 (6.5%) MPLC group patients, without a significant between-group difference (p = 0.6139). Conclusion Our data indicate that perioperative and oncological outcomes of SILC performed for CC are comparable to those of MPLC performed for CC.Keywords
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