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Leprosy reactions: coinfections as a possible risk factor
Ana Carolina F Motta1, Karla Juliana Pereira, Daniela Chaves Tarquínio
1Division of Dermatology, Departamento de Clínica Médica, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto/SP, Brazil. anacfm@usp.br
Coinfections are common in leprosy patients and are associated with an increased risk of developing leprosy reactions, particularly Erythema Nodosum Leprosum. Oral coinfections were most frequent, suggesting a link between these conditions and leprosy complications.
Area of Science:
- Infectious Diseases
- Dermatology
- Epidemiology
Background:
- Leprosy, a chronic infectious disease, can present with complex reactional episodes.
- Coinfections are frequently observed in individuals with leprosy, potentially influencing disease progression and outcomes.
Purpose of the Study:
- To determine the prevalence of coinfections in leprosy patients.
- To investigate the association between coinfections and the occurrence of leprosy reactional episodes.
Main Methods:
- A cross-sectional study analyzed medical records of 225 leprosy patients from 2000-2010.
- Data included patient demographics, leprosy classification, treatment, reactions, and diagnosed coinfections.
- Multinomial logistic regression assessed associations between leprosy reactions and patient characteristics, including coinfections.
Main Results:
- 39.1% of leprosy patients had coinfections, most commonly oral infections (45.5%).
- Coinfections were significantly associated with leprosy reactions (OR 2.26; p<0.0001).
- Erythema Nodosum Leprosum was more prevalent in multibacillary leprosy patients with coinfections.
Conclusions:
- Coinfections play a role in the development and persistence of leprosy reactions.
- Identifying and managing coinfections may be crucial for managing leprosy patients and preventing complications.
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