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Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
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Slow Transit Constipation: Pathophysiological Perspectives and Management Updates.

Athanasios Syllaios1,2, Stavros P Papadakos3, Alexandros Ioannou4

  • 1First Department of Surgery, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece.

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|February 6, 2026
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Summary
This summary is machine-generated.

Slow transit constipation (STC) is a motility disorder causing delayed bowel movements and discomfort, primarily affecting women. Diagnosis involves excluding secondary causes, with treatment stepwise from lifestyle changes to surgery for severe cases.

Keywords:
antegrade continence enemacolonic motilityrefractory constipationslow transit constipationsubtotal colectomy

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Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Pelvic Floor Therapy

Background:

  • Slow transit constipation (STC) is a chronic colonic motility disorder impacting quality of life, predominantly in women.
  • Pathophysiology involves enteric neuronal signaling, smooth muscle, gut peptides, bile acid, and autonomic regulation abnormalities.
  • Exclusion of secondary causes and structural lesions is crucial for STC diagnosis.

Purpose of the Study:

  • To review the diagnosis and management of slow transit constipation.
  • To highlight the stepwise treatment approach and emerging therapies.
  • To emphasize the need for multidisciplinary care in STC management.

Main Methods:

  • Colonic transit studies as the gold standard for diagnosis.
  • Anorectal manometry and defecography to identify outlet obstruction.
  • Review of dietary, lifestyle, pharmacological, interventional, and surgical treatment options.

Main Results:

  • Stepwise treatment includes lifestyle changes, laxatives, prokinetics, secretagogues, and bile acid modulators.
  • Biofeedback is indicated for dyssynergic defecation; interventional therapies show equivocal results.
  • Surgery is reserved for medically intractable cases after thorough evaluation.

Conclusions:

  • Accurate diagnosis and tailored, stepwise treatment are essential for managing STC.
  • Multidisciplinary collaboration improves long-term outcomes for patients with STC.
  • Further robust clinical trials are needed to guide novel therapeutic development for STC.