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Updated: Aug 18, 2025
Murine Ileocolic Bowel Resection with Primary Anastomosis
Published on: October 29, 2014
Kono-S Anastomosis in Crohn's Disease: A Retrospective Study on Postoperative Morbidity and Disease Recurrence in
Matthias Kelm1, Joachim Reibetanz1, Mia Kim2
1Department of General, Visceral, Transplantation, Vascular and Pediatric Surgery, Center of Operative Medicine (ZOM), University Hospital of Wuerzburg, 97080 Wuerzburg, Germany.
Introduction:
The rates of postoperative recurrence following ileocecal resection due to Crohn's disease remain highly relevant. Despite this fact, while the Kono-S anastomosis technique initially demonstrated promising results, robust evidence is still lacking. This study aimed to analyze the short- and long-term outcomes of the Kono-S versus side-to-side anastomosis.
Methods:
A retrospective single-center study was performed including all patients who received an ileocecal resection between 1 January 2019 and 31 December 2021 at the Department of Surgery at the University Hospital of Wuerzburg. Patients who underwent conventional a side-to-side anastomosis were compared to those who received a Kono-S anastomosis. The short- and long-term outcomes were analyzed for all patients.
Results:
Here, 29 patients who underwent a conventional side-to-side anastomosis and 22 patients who underwent a Kono-S anastomosis were included. No differences were observed regarding short-term postoperative outcomes. The disease recurrence rate postoperatively was numerically lower following the Kono-S anastomosis (median Rutgeert score of 1.7 versus 2.5), with a relevantly increased rate of patients in remission (17.2% versus 31.8%); however, neither of these results reached statistical significance.
Conclusion:
The Kono-S anastomosis method is safe and feasible and potentially decreases the severity of postoperative disease remission.
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