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Invasive Mold Infections in Children: Navigating Troubled Waters with a Broken Compass
Antonio C Arrieta1,2, Adam Lee3, M Tuan Tran4
1Department of Infectious Diseases, Children's Hospital of Orange County, Orange, CA, USA.
Abstract:
Incidence of invasive mold infections in children, while rare, is increasing as the population of high-risk patients expands, including premature infants, pediatric patients undergoing treatment for hematological malignancies, or recipients of allogeneic hematologic stem cell transplants. The infectious agents, including Aspergillus spp., Mucorales, and other molds, are especially difficult to treat and have serious morbidity and high mortality. Clinicians must maintain a high index of suspicion for invasive mold infections in at-risk patients. Diagnosis of invasive mold infections is complicated by difficulties isolating pathogens on culture, but progress is being made in immunological and molecular diagnostic technologies. Treatment in children is challenging; no randomized controlled trials exist. There is a growing body of data on treatment, specifically on safer antifungal agents, including indications for treatment, spectrum of coverage, pharmacokinetics for different ages, and pharmacodynamic targets associated with therapeutic success. However, pediatricians must often extrapolate from adult data. In this review, we aim to harmonize the existing body of literature on invasive mold infections in children, covering epidemiology, clinical presentations, diagnostic methods, and principles of management.
Insights
Invasive mold infections in children are rising, posing significant risks to high-risk pediatric patients. Early diagnosis and adapted treatment strategies are crucial for improving outcomes in these challenging cases.
Area of Science:
- Pediatric Infectious Diseases
- Mycology
- Hematology/Oncology
Background:
- Increasing incidence of invasive mold infections (IMIs) in pediatric populations, particularly those with hematological malignancies or undergoing stem cell transplants.
- IMIs caused by Aspergillus spp., Mucorales, and other molds present significant morbidity and mortality in children.
- Challenges in diagnosing and treating IMIs in children due to limited pediatric-specific data and treatment guidelines.
Purpose of the Study:
- To review and synthesize current literature on epidemiology, clinical presentations, diagnostics, and management of IMIs in pediatric patients.
- To provide a harmonized overview to aid clinicians in recognizing and managing these infections.
- To highlight the need for improved diagnostic tools and evidence-based treatment strategies in pediatric populations.
Main Methods:
- Comprehensive literature review of invasive mold infections in children.
- Analysis of epidemiological trends, clinical manifestations, and diagnostic advancements.
- Evaluation of current treatment principles, including antifungal agents and pharmacokinetic considerations.
Main Results:
- IMIs are an increasing concern in immunocompromised children, necessitating high clinical suspicion.
- Diagnostic methods are evolving, with progress in immunological and molecular techniques.
- Pediatric IMI treatment is challenging, often relying on extrapolated adult data, with ongoing research into safer antifungal agents.
Conclusions:
- A high index of suspicion is vital for early detection of IMIs in at-risk children.
- Advancements in diagnostics offer improved identification of fungal pathogens.
- Harmonizing existing data and developing pediatric-specific treatment guidelines are essential for managing IMIs in children.
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