New Diagnostics for Fungal Infections in Transplant Infectious Disease: A Systematic Review
2025
Apurva Akkad | Neha Nanda
Fungal infections are common in highly immunosuppressed, solid organ transplant recipients. They can be quite difficult to diagnose in a timely manner; thus, we present a review of current studies focusing on broad categories of molecular diagnostics, i.e., metagenomic sequencing, magnetic resonance, and gas chromatography mass spectrometry. We further discuss their syndrome-specific utilization in the diagnosis of fungemia and disseminated disease, pneumonia, and central nervous system infections. We assess the level of evidence of their utility as fungal diagnostics particularly in solid organ transplant recipients using the STARD criteria. In addition, we provide future research directions to substantiate and appropriately utilize these platforms in clinical practice. Directed polymerase chain reaction testing and targeted metagenomic sequencing are being used clinically and show the most promise, though only in conjunction with conventional methods at this time. The majority of these platforms contain limited data, and thus further larger studies are needed in order to properly implement their use.
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