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Long-term outcome after segmental colonic resection for slow transit constipation.

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Hemicolectomy for slow transit constipation (STC) significantly increases stool frequency and reduces laxative dependence. Long-term success rates vary, highlighting the need for careful patient selection and outcome assessment.

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Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Surgical Outcomes

Background:

  • Ileorectal anastomosis (IRA) is standard for slow transit constipation (STC).
  • Hemicolectomy offers short-term benefits for STC, but long-term efficacy is unestablished.
  • Evaluating long-term outcomes of hemicolectomy for STC is crucial.

Purpose of the Study:

  • To assess the long-term efficacy and patient-reported outcomes of hemicolectomy for STC.
  • To compare hemicolectomy results against established treatments for STC.
  • To determine the durability of hemicolectomy's benefits in managing STC.

Main Methods:

  • Fifty patients with STC underwent hemicolectomy (right- or left-sided) between 1993-2008.
  • Colonic scintigraphy guided patient selection.
  • Long-term follow-up included bowel function questionnaires and patient-reported outcome assessments for 43 patients.

Main Results:

  • Median follow-up was 19.8 years; 13 patients (26%) were classified as failures.
  • Stool frequency increased significantly (1/week to 5/week, p=0.001), and laxative use decreased (p=0.002).
  • Patient global assessment showed 17 very good/good results, but 2 poor results; success rates ranged from 34% to 70%.

Conclusions:

  • Hemicolectomy for STC improves bowel frequency and reduces laxative requirements.
  • Long-term success is variable, influenced by definition of success and patient-reported outcomes.
  • Further research is needed to optimize patient selection for hemicolectomy in STC.