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J Infect. 2013 Apr;66(4):303-12. doi: 10.1016/j.jinf.2012.09.005. Epub 2012 Sep 12.

Impact of cigarette smoking on rates and clinical prognosis of pulmonary tuberculosis in Southern Mexico.

Author information

1
Instituto Nacional de Salud Pública, Ave. Universidad #655, Col. Sta. María Ahuacatitlán, Cuernavaca, C.P. 62100Morelos, México.

Abstract

OBJECTIVES:

To examine the relationship between cigarette smoking and incidence and mortality rates of pulmonary tuberculosis (TB) and treatment outcomes.

MATERIALS:

From 1995 to 2010, we analyzed data from 1062 patients with TB and from 2001 to 2004, 2951 contacts in Southern Mexico. Patients with acid-fast bacilli or Mycobacterium tuberculosis in sputum samples underwent epidemiological, clinical and mycobacteriological evaluation and received treatment by the local DOTS program.

RESULTS:

Consumers of 1-10 (LS) or 11 or more (HS) cigarettes per day incidence (1.75 and 11.79) and mortality (HS, 17.74) smoker-non-smoker rate ratios were significantly higher for smokers. Smoker population was more likely to experience unfavorable treatment outcomes (HS, adjusted OR 2.36) and retreatment (LS and HS, adjusted hazard ratio (HR) 2.14 and 2.37). Contacts that smoked had a higher probability of developing active TB (HR 2.38) during follow up.

CONCLUSIONS:

Results indicate the need of incorporating smoking prevention and cessation, especially among men, into international TB control strategies.

PMID:
22982014
PMCID:
PMC3543482
DOI:
10.1016/j.jinf.2012.09.005
[Indexed for MEDLINE]
Free PMC Article

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