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Related Experiment Videos

[Subnormal vitamin B6 levels in theophylline users]

M G Martinez de Haas1, P J Poels, C J de Weert

  • 1Afd. Geriatrie, Academisch Ziekenhuis, Nijmegen.

Nederlands Tijdschrift Voor Geneeskunde
|April 29, 1998
PubMed
Summary

Theophylline use is associated with a higher prevalence of vitamin B-6 deficiency in geriatric patients. This study highlights the importance of monitoring vitamin B-6 status in patients taking theophylline.

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Area of Science:

  • Biochemistry
  • Clinical Nutrition
  • Geriatric Medicine

Context:

  • Theophylline is a common medication for respiratory conditions.
  • Vitamin B-6 (pyridoxine) is essential for numerous metabolic processes.
  • Geriatric populations are often susceptible to nutritional deficiencies.

Purpose:

  • To investigate the relationship between theophylline use and vitamin B-6 status.
  • To determine the prevalence of subnormal vitamin B-6 levels in patients using theophylline.

Summary:

  • A descriptive study measured pyridoxal-5'-phosphate (PLP) levels in 141 patients.
  • Subnormal vitamin B-6 status was observed in 56% of non-COPD geriatric patients, 70% of geriatric COPD patients not on theophylline, and 94% of geriatric COPD patients on theophylline.

Related Experiment Videos

  • Non-geriatric COPD patients on theophylline showed a 96% prevalence of subnormal vitamin B-6.

    • Impact:

    • Theophylline use significantly correlates with a higher prevalence of vitamin B-6 deficiency.
    • Findings suggest the need for vitamin B-6 monitoring in patients prescribed theophylline, particularly the elderly.
    • This research contributes to optimizing nutritional care in respiratory disease management.