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Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
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Intestinal Obstruction II: Pathophysiology01:07

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Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...
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Related Experiment Video

Updated: Apr 25, 2026

Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection
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Major postoperative complications following elective resection for colorectal cancer decrease long-term survival but

M Odermatt1, D Miskovic1, K Flashman2

  • 1Minimally Invasive Colorectal Unit, Queen Alexandra Hospital, Portsmouth, UK.

Colorectal Disease : the Official Journal of the Association of Coloproctology of Great Britain and Ireland
|August 27, 2014
PubMed
Summary

Major complications after colorectal cancer surgery negatively impact long-term survival but do not affect recurrence rates. This finding is crucial for understanding patient outcomes following major oncologic procedures.

Keywords:
Postoperative complicationscolorectalrecurrencesurvival

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Area of Science:

  • Oncology
  • Surgical Outcomes
  • Clinical Research

Background:

  • Colorectal cancer surgery can lead to significant postoperative complications.
  • Understanding the long-term impact of these complications is vital for patient management and prognosis.

Purpose of the Study:

  • To investigate the effect of major complications (Clavien-Dindo Grades 3b-4) after colorectal cancer resection on patient survival and time to recurrence.
  • To identify whether non-lethal major complications influence long-term oncologic outcomes.

Main Methods:

  • Analysis of a prospective database of patients undergoing curative colorectal cancer resection with at least 3 years follow-up.
  • Univariate and multivariable analyses were used to assess the impact of major complications on survival and recurrence.
  • Exclusion of Grade 5 complications (30-day or in-hospital mortality).

Main Results:

  • Major complications (Clavien-Dindo ≥ 3b, excluding Grade 5) occurred in 5% of 844 colorectal cancer resections.
  • Patients with major complications had a significantly lower 5-year overall survival probability (65% vs. 78%, P=0.009).
  • Major complications were a significant negative predictor for overall survival but not for time to recurrence.

Conclusions:

  • Non-lethal major postoperative complications are associated with a negative long-term impact on survival after colorectal cancer surgery.
  • These complications do not appear to significantly affect the time to cancer recurrence.