Clinical study on the efficacy comparison between ileotransverse colon overlap anastomosis and π-shaped anastomosis in laparoscopic radical right hemicolectomy - Summary - MDSpire

Clinical study on the efficacy comparison between ileotransverse colon overlap anastomosis and π-shaped anastomosis in laparoscopic radical right hemicolectomy

  • By

  • Wan Fangxin

  • Liu Bin

  • Zhang Haocheng

  • Li Baoyu

  • May 8, 2026

  • 0 min

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Objective:

To compare the safety and efficacy of ileotransverse colon Overlap and π-shaped anastomosis techniques in laparoscopic radical right hemicolectomy (LRRH).

Key Findings:
  • No significant preoperative baseline differences between groups (P > 0.05).
  • Overlap group had shorter anastomosis/operative time (P < 0.01) and milder postoperative inflammation (P < 0.01).
  • Overlap group showed faster nutritional/gastrointestinal recovery (P < 0.01) and earlier liquid diet tolerance (P < 0.01).
  • No intergroup difference in clinical anastomotic leakage incidence (P > 0.05).
Interpretation:

Overlap anastomosis is preferable for short-term recovery in LRRH, but the study did not demonstrate superiority in reducing clinical anastomotic leakage due to limited sample size, which may impact clinical decision-making.

Limitations:
  • Limited sample size affecting statistical power, particularly for rare events like anastomotic leakage.
  • Study primarily focused on short-term efficacy rather than long-term outcomes, which may limit generalizability.
Conclusion:

Overlap anastomosis offers advantages in short-term recovery, but results should be interpreted with caution due to study limitations, highlighting the need for larger studies.

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