Progression of the leprosy reaction and nerve damage: A prospective cohort study in children with leprosy from the Brazilian Amazon
2024

Progression of Leprosy Reactions and Nerve Damage in Children

Sample size: 38 publication 10 minutes Evidence: moderate

Author Information

Author(s): Bandeira Sabrina Sampaio, dos Anjos Andressa Bocalon, Pires Carla Avelar, Quaresma Juarez Antonio Simões

Primary Institution: Sanitary Dermatology Referral Unit “Dr. Marcello Cândia”, Secretary of State for Public Health, State of Pará, Marituba, Brazil

Hypothesis

What factors are associated with the emergence and/or worsening of nerve damage in children with leprosy reactions?

Conclusion

A high proportion of children had progression of the leprosy reaction with worsening neural damage.

Supporting Evidence

  • 42.1% of children had worsening nerve function.
  • Two or more reaction episodes were significantly associated with worsening nerve damage.
  • Low educational level of caregivers was linked to worse outcomes in children.

Takeaway

This study looked at children with leprosy and found that many of them got worse over time, especially if they had multiple reactions or nerve damage.

Methodology

A prospective longitudinal cohort study was performed in children under 15 years of age affected by leprosy reactions, with follow-up for 2 years.

Potential Biases

The study may be biased due to the convenience sampling method used.

Limitations

The study was conducted in a leprosy reference service, which may have more severe cases than the general community.

Participant Demographics

The study included 38 children, 71.1% were male, and 63.2% were aged 10-14 years.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pntd.0012772

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