Larval Therapy for Treatment of Chronic Wounds Colonized by Multi-resistant Pathogens in a Pediatric Patient: A Case

Gemma Pérez-Acevedo1,2,3, Alejandro Bosch-Alcaraz1,2,3, Joan Enric Torra-Bou1,2,3

  • 1Gemma Pérez-Acevedo, RN, PNP, MSc, Sant Joan de Déu Hospital, Esplugues de Llobregat, Barcelona, Spain.

Abstract

Insights

Maggot debridement therapy (MDT) successfully treated chronic wounds in a pediatric patient infected with multidrug-resistant bacteria. This approach offers a promising alternative for complex wound management in children.

Area of Science:

  • Medical entomology
  • Wound care science
  • Pediatric infectious diseases

Background:

  • Chronic wounds frequently harbor multidrug-resistant bacteria, complicating treatment with conventional antimicrobial dressings and systemic antibiotics.
  • The US Food and Drug Administration approved medicinal larvae (maggots) for treating resistant infections in humans and animals in 2004.
  • Evidence for the efficacy and safety of maggot debridement therapy (MDT) in pediatric populations remains limited.

Observation:

  • A 5-year-old boy presented with chronic wounds infected by multidrug-resistant Pseudomonas aeruginosa.
  • Previous treatments including chemical debridement, silver dressings, negative-pressure wound therapy (NPWT), and antibiotics were unsuccessful.
  • A multidisciplinary team initiated maggot debridement therapy (MDT) for the resistant wound infections.

Findings:

  • Following MDT, one wound achieved complete epithelialization, while other wounds showed significant improvement with 70% epithelization and reduced size.
  • MDT effectively decreased wound odor, exudate, and pain levels.
  • Additional treatment with nanocrystalline silver dressings and NPWT facilitated the closure of the remaining wounds.

Implications:

  • Maggot debridement therapy (MDT) demonstrates significant potential for managing chronic, multidrug-resistant infections in pediatric wound care.
  • This case highlights MDT as a viable therapeutic option when standard treatments fail.
  • Further research into MDT's pediatric application is warranted to establish its safety and efficacy profile.