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Related Experiment Videos

Intestinal volvulus: a new concept.

E G Perry

    The Australian and New Zealand Journal of Surgery
    |October 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Intestinal volvulus is caused by bowel distention, which leads to elongation. This elongation, particularly on the antimesenteric border, creates the force that initiates and sustains the twisting of the bowel.

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    Area of Science:

    • Gastroenterology
    • Surgical pathology

    Background:

    • Intestinal volvulus is a surgical emergency characterized by twisting of the bowel.
    • The exact etiology of intestinal volvulus remains incompletely understood, particularly in cases without congenital abnormalities.

    Purpose of the Study:

    • To present a conceptual model for the etiology of intestinal volvulus.
    • To elucidate the biomechanical forces driving the initiation and progression of intestinal volvulus.

    Main Methods:

    • Conceptual analysis based on established physiological principles of bowel mechanics.
    • Review of existing literature on bowel distention and elongation.

    Main Results:

    • Bowel distention leads to significant elongation of the intestinal lumen.

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  • Differential elongation occurs, with the antimesenteric border elongating more than the mesenteric border.
  • This differential elongation generates the primary force responsible for initiating and sustaining intestinal volvulus.

    • Conclusions:

    • Intestinal volvulus is proposed as a secondary event directly resulting from bowel distention.
    • The biomechanics of differential bowel wall elongation provide a unifying explanation for volvulus formation.