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Related Experiment Videos

[Analysis of a lactose tolerance test].

P Montes Teves1, J Soria Medina, Z I Gamarra Espinoza

  • 1Internos de Medicina, Universidad Nacional Mayor de San Marcos, Peru.

Revista De Gastroenterologia Del Peru : Organo Oficial De La Sociedad De Gastroenterologia Del Peru
|January 31, 2002
PubMed
Summary

This study suggests a shorter Lactose Tolerance Test (LTT) is effective for diagnosing lactose intolerance. Eliminating the 120-minute measurement reduces costs by 25% while maintaining diagnostic accuracy.

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[Factors related to the scientific production of gastroenterologists in Lima-Peru].

Revista de gastroenterologia del Peru : organo oficial de la Sociedad de Gastroenterologia del Peruยท2009
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Area of Science:

  • Gastroenterology
  • Clinical Diagnostics
  • Biochemistry

Context:

  • Lactose intolerance affects a significant portion of the population, impacting digestive health.
  • The standard Lactose Tolerance Test (LTT) is a common diagnostic tool.
  • Current LTT protocols involve a 120-minute observation period.

Purpose:

  • To analyze the Lactose Tolerance Test (LTT) for potential shortening.
  • To evaluate the diagnostic efficacy of a modified, shorter LTT protocol.
  • To assess the cost-effectiveness of a reduced-duration LTT.

Summary:

  • A cross-sectional study compared glycemia curves in 56 patients, differentiating between normal and flat responses.
  • Statistically significant differences in glycemia were observed at 30 and 60 minutes between tolerant and intolerant groups.

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  • Glycemia levels at 120 minutes showed no significant difference, supporting their exclusion from the test.

    • Impact:

    • The findings support a reduced-length LTT for diagnosing lactose intolerance.
    • Implementing a shorter LTT can decrease patient costs by approximately 25%.
    • This optimized diagnostic approach improves efficiency in clinical practice.