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Related Experiment Videos

[Esophageal peristalsis and acid clearance. A study method].

J Arana, J A Tovar, J Garay

    Chirurgie Pediatrique
    |January 1, 1985
    PubMed
    Summary

    Peristaltic waves clear esophageal acid reflux, acting as a crucial anti-reflux barrier. Abnormal esophageal motor patterns, like tertiary waves, impair acid clearance, particularly in children with severe gastroesophageal reflux (GER).

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    [Difficulties for Research in Pediatric Surgery in Spain].

    Cirugia pediatrica : organo oficial de la Sociedad Espanola de Cirugia Pediatrica·2017

    Area of Science:

    • Gastroenterology
    • Physiology

    Context:

    • Esophageal peristalsis is a key defense against acid reflux.
    • Gastroesophageal reflux (GER) in children presents significant challenges.
    • Understanding esophageal motility is crucial for managing GER.

    Purpose:

    • To investigate the role of esophageal peristaltic waves in clearing acid reflux.
    • To assess the efficacy of different wave types (primary, secondary, tertiary) in restoring esophageal pH.
    • To correlate esophageal motor patterns with the severity of GER in children.

    Summary:

    • A novel system combining esophageal manometry and pH monitoring was developed.
    • Primary and secondary esophageal waves effectively cleared instilled acid, normalizing pH.
    • Tertiary waves, prevalent in children with severe GER, failed to normalize pH, suggesting a link to poor reflux tolerance.

    Impact:

    • Highlights the importance of esophageal motility in GER pathogenesis.
    • Identifies tertiary waves as a potential marker for impaired acid clearance in pediatric GER.
    • Suggests that motor disturbances contribute to the poor tolerance of GER in affected children.

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