Author
Listed:
- Kocfa Chung-Delgado
- Alejandro Revilla-Montag
- Sonia Guillen-Bravo
- Eduardo Velez-Segovia
- Andrea Soria-Montoya
- Alexandra Nuñez-Garbin
- Wilmer Silva-Caso
- Antonio Bernabe-Ortiz
Abstract
Background: Long-term exposure to anti-tuberculosis medication increases risk of adverse drug reactions and toxicity. The objective of this investigation was to determine factors associated with anti-tuberculosis adverse drug reactions in Lima, Peru, with special emphasis on MDR-TB medication, HIV infection, diabetes, age and tobacco use. Methodology and Results: A case-control study was performed using information from Peruvian TB Programme. A case was defined as having reported an anti-TB adverse drug reaction during 2005–2010 with appropriate notification on clinical records. Controls were defined as not having reported a side effect, receiving anti-TB therapy during the same time that the case had appeared. Crude, and age- and sex-adjusted models were calculated using odds ratios (OR) and 95% confidence intervals (95%CI). A multivariable model was created to look for independent factors associated with side effect from anti-TB therapy. A total of 720 patients (144 cases and 576 controls) were analyzed. In our multivariable model, age, especially those over 40 years (OR = 3.93; 95%CI: 1.65–9.35), overweight/obesity (OR = 2.13; 95%CI: 1.17–3.89), anemia (OR = 2.10; IC95%: 1.13–3.92), MDR-TB medication (OR = 11.1; 95%CI: 6.29–19.6), and smoking (OR = 2.00; 95%CI: 1.03–3.87) were independently associated with adverse drug reactions. Conclusions: Old age, anemia, MDR-TB medication, overweight/obesity status, and smoking history are independent risk factors associated with anti-tuberculosis adverse drug reactions. Patients with these risk factors should be monitored during the anti-TB therapy. A comprehensive clinical history and additional medical exams, including hematocrit and HIV-ELISA, might be useful to identify these patients.
Suggested Citation
Kocfa Chung-Delgado & Alejandro Revilla-Montag & Sonia Guillen-Bravo & Eduardo Velez-Segovia & Andrea Soria-Montoya & Alexandra Nuñez-Garbin & Wilmer Silva-Caso & Antonio Bernabe-Ortiz, 2011.
"Factors Associated with Anti-Tuberculosis Medication Adverse Effects: A Case-Control Study in Lima, Peru,"
PLOS ONE, Public Library of Science, vol. 6(11), pages 1-5, November.
Handle:
RePEc:plo:pone00:0027610
DOI: 10.1371/journal.pone.0027610
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