The Relationship Between Latent Tuberculosis Infection and Acute Myocardial Infarction.

Huaman MA, Ticona E, Miranda G, Kryscio RJ, Mugruza R, Aranda E, Rondan PL, Henson D, Ticona C, Sterling TR, Fichtenbaum CJ, Garvy BA
Clin Infect Dis. 2018 66 (6): 886-892

PMID: 29069328 · PMCID: PMC5850031 · DOI:10.1093/cid/cix910

Background - Tuberculosis has been associated with an increased risk of cardiovascular disease (CVD), including acute myocardial infarction (AMI). We investigated whether latent tuberculosis infection (LTBI) is associated with AMI.

Methods - We conducted a case-control study in 2 large national public hospital networks in Lima, Peru, between July 2015 and March 2017. Case patients were patients with a first time diagnosis of type 1 (spontaneous) AMI. Controls were patients without a history of AMI. We excluded patients with known human immunodeficiency virus infection, tuberculosis disease, or prior LTBI treatment. We used the QuantiFERON-TB Gold In-Tube assay to identify LTBI. We used logistic regression modeling to estimate the odds ratio (OR) of LTBI in AMI case patients versus non-AMI controls.

Results - We enrolled 105 AMI case patients and 110 non-AMI controls during the study period. Overall, the median age was 62 years (interquartile range, 56-70 years); 69% of patients were male; 64% had hypertension, 40% dyslipidemia, and 39% diabetes mellitus; 30% used tobacco; and 24% were obese. AMI case patients were more likely than controls to be male (80% vs 59%; P < .01) and tobacco users (41% vs 20%; P < .01). LTBI was more frequent in AMI case patients than in controls (64% vs 49% [P = .03]; OR, 1.86; 95% confidence interval [CI], 1.08-3.22). After adjustment for age, sex, hypertension, dyslipidemia, diabetes mellitus, tobacco use, obesity, and family history of coronary artery disease, LTBI remained independently associated with AMI (adjusted OR, 1.90; 95% CI, 1.05-3.45).

Conclusions - LTBI was independently associated with AMI. Our results suggest a potentially important role of LTBI in CVD.

© The Author 2017. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail: journals.permissions@oup.com.

MeSH Terms (11)

Aged Case-Control Studies Female Humans Latent Tuberculosis Logistic Models Male Middle Aged Myocardial Infarction Peru Risk Factors

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