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Background <p>Cochlear implant-related infections may rarely lead to life-threatening systemic complications. Macrophage Activation Syndrome (MAS) is a severe and potentially fatal hyperinflammatory condition. MAS associated with CI infection has not been previously reported in pediatric patients.</p> Case presentation <p>We present a 13-year-old female patient who developed MAS secondary to <i>Candida parapsilosis</i>-related sepsis associated with cochlear implant (CI). Despite broad-spectrum antibacterial and antifungal therapy, the patient’s clinical course deteriorated with pancytopenia, hyperferritinemia, and acute liver failure. She fulfilled HLH-2004 criteria and was diagnosed with MAS. Multidisciplinary treatment approach included plasmapheresis, high-dose pulse corticosteroids and CI explantation, resulted in clinical recovery. Implant site cultures revealed that <i>Candida parapsilosis</i>, a fungal pathogen known for biofilm formation and implant-related infections. Following explantation, the patient showed gradual improvement with immunosuppressive therapy and supportive care. Successful cochlear implant reimplantation was performed two months later.</p> Conclusion <p>CI-related infections and related systemic complications are rare but severe. This is the first reported pediatric case of MAS triggered by cochlear implant-related sepsis. Early recognition of MAS and multidisciplinary management are essential to improve outcome and survival.</p>

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Macrophage activation syndrome triggered by Candida parapsilosis-related cochlear implant infection

  • 期刊论文

  • 发表日期：

    2026年7月5日

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  • Begum Bahar Yilmaz,
  • Muhammed Talha Karadogan,
  • Alper Tabaru,
  • Figen Cakmak,
  • Esra Sevketoglu,
  • Sema Alacam,
  • Ozgur Yigit

摘要

Background

Cochlear implant-related infections may rarely lead to life-threatening systemic complications. Macrophage Activation Syndrome (MAS) is a severe and potentially fatal hyperinflammatory condition. MAS associated with CI infection has not been previously reported in pediatric patients.

Case presentation

We present a 13-year-old female patient who developed MAS secondary to Candida parapsilosis-related sepsis associated with cochlear implant (CI). Despite broad-spectrum antibacterial and antifungal therapy, the patient’s clinical course deteriorated with pancytopenia, hyperferritinemia, and acute liver failure. She fulfilled HLH-2004 criteria and was diagnosed with MAS. Multidisciplinary treatment approach included plasmapheresis, high-dose pulse corticosteroids and CI explantation, resulted in clinical recovery. Implant site cultures revealed that Candida parapsilosis, a fungal pathogen known for biofilm formation and implant-related infections. Following explantation, the patient showed gradual improvement with immunosuppressive therapy and supportive care. Successful cochlear implant reimplantation was performed two months later.

Conclusion

CI-related infections and related systemic complications are rare but severe. This is the first reported pediatric case of MAS triggered by cochlear implant-related sepsis. Early recognition of MAS and multidisciplinary management are essential to improve outcome and survival.