Clinical study on the efficacy comparison between ileotransverse colon overlap anastomosis and π-shaped anastomosis in laparoscopic radical right hemicolectomy - Report - 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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Clinical Report: Comparative Analysis of Ileotransverse Colon Overlap and π-Shaped Anastomosis

Overview

This study compares the safety and efficacy of ileotransverse colon Overlap and π-shaped anastomosis in laparoscopic right hemicolectomy. The Overlap technique demonstrated advantages in short-term recovery metrics, although no significant difference in clinical anastomotic leakage was observed.

Background

Right-sided colon cancer is prevalent and requires effective surgical intervention. Laparoscopic right colectomy is favored for its minimally invasive approach, but the choice of anastomotic technique can significantly impact postoperative recovery. Understanding the comparative outcomes of different anastomotic methods is crucial for optimizing patient care.

Data Highlights

ParameterOverlap Groupπ-Shaped Group
Anastomosis TimeShorterLonger
Operative TimeShorterLonger
Postoperative InflammationMilderMore Severe
Time to Liquid Diet ToleranceEarlierLater
Clinical Anastomotic LeakageNo DifferenceNo Difference

Key Findings

  • The Overlap group had significantly shorter anastomosis and operative times compared to the π-shaped group (P < 0.01).
  • Postoperative inflammatory markers were milder in the Overlap group (P < 0.01).
  • Patients in the Overlap group achieved faster gastrointestinal recovery and earlier tolerance of liquid diets (P < 0.01).
  • No significant difference in clinical anastomotic leakage was found between the two groups (P > 0.05).
  • The study highlights the need for larger sample sizes to confirm findings regarding anastomotic leakage.

Clinical Implications

Surgeons may consider the Overlap anastomosis technique for laparoscopic right hemicolectomy due to its advantages in short-term recovery metrics. However, the lack of significant differences in clinical anastomotic leakage necessitates careful interpretation of results and further research.

Conclusion

Reiterate the importance of cautious interpretation of results due to sample size limitations.

Related Resources & Content

  1. Techniques in Coloproctology, 2025 -- Comparison of Stapled and Handsewn Techniques for Enterotomy Closure in Intracorporeal Overlap Anastomosis during Laparoscopic Colectomy: An In Vitro Investigation
  2. Updates in Surgery, 2024 -- Cost Comparison of Laparoscopic Assisted Colectomy and Complete Laparoscopic Colectomy
  3. Surgical Endoscopy, 2025 -- Comparison of Short-Term Outcomes and Extraction Site Hernia Incidence in Robotic and Laparoscopic Right Colectomy: A Multi-Center Study on Intracorporeal versus Extracorporeal Anastomosis Techniques
  4. Techniques in Coloproctology, 2025 -- Comparison of Inferior and Medial Surgical Approaches in Laparoscopic and Robotic Complete Mesocolic Excision for Right-Sided Colon Cancer: A Propensity Score-Matched Study
  5. Management of Colon Cancer (2022) | ASCRS Toolkit - FREE Resources
  6. Intracorporeal versus extracorporeal anastomosis in minimally invasive right hemicolectomy: systematic review and meta-analysis of randomized controlled trials - PMC
  7. Frontiers | Clinical Study on the Efficacy Comparison Between Ileotransverse Colon Overlap Anastomosis and π-shaped Anastomosis in Laparoscopic Radical Right Hemicolectomy
  8. ASCRS Guidelines on Colon Cancer Management
  9. Meta-Analysis on Anastomosis Techniques in Laparoscopic Colectomy
  10. Frontiers | Clinical Study on the Efficacy Comparison Between Ileotransverse Colon Overlap Anastomosis and π-shaped Anastomosis in Laparoscopic Radical Right Hemicolectomy

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