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Salud Pública de México

versión impresa ISSN 0036-3634

Resumen

ARMIJOS, Rodrigo X et al. Adjunctive micronutrient supplementation for pulmonary tuberculosis. Salud pública Méx [online]. 2010, vol.52, n.3, pp. 185-189. ISSN 0036-3634.

OBJECTIVE: To assess the effect of micronutrient supplementation on tuberculosis (TB) patient outcomes. MATERIAL AND METHODS: The randomized, double-blinded, placebo-controlled study was conducted in pulmonary TB patients undergoing directly observed treatment short course/ tratamiento acortado estrictamente supervisado (TAES/ DOTS) at IMSS in Ciudad Juarez, Chihuahua, Mexico, who were recruited during August 2005-July 2006. Consecutive patients received zinc and vitamin A supplements or matched placebo for four months. Dietary intake, blood zinc and vitamin A, immune response (IFN-γ,TNF-α, and IL-10 mRNA), and sputum smear conversion were measured. RESULTS: The proportion of micronutrient compared to placebo group subjects with a negative sputum smear by month 3 was significantly increased (p= 0.03). This occurred subsequent to increased TNF-α and IFN-γ and decreased IL-'0 observed at month 2. Micronutrient supplementation appeared to accelerate the beneficial therapeutic effect of chemotherapy. CONCLUSIONS: The earlier elimination of bacilli from sputum was associated with improved zinc status and Th' immune response. The therapeutic effect of vitamin A was less evident.

Palabras llave : pulmonary; tuberculosis; zinc; vitamin A; cytokines; Mexico.

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