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An Ex vivo Assay to Study Candida albicans Hyphal Morphogenesis in the Gastrointestinal Tract
Published on: July 1, 2020
Risk assessment and prognostic factors for mould-related diseases in immunocompromised patients
Livio Pagano1, Murat Akova, George Dimopoulos
1Department of Hematology, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, I-00168 Rome, Italy. lpagano@rm.unicatt.it
Abstract:
Invasive fungal diseases are important causes of morbidity and mortality in immunocompromised patients. Patients with haematological malignancies and solid cancers, as well as those with allogeneic haematopoietic stem cell and solid organ transplants, are at high risk of developing such an infection. Many fungi can cause invasive disease, with Aspergillus spp. and Candida spp. being the prevalent fungal pathogens infecting susceptible patients. During the past few years, rare moulds (for example Zygomycetes and Fusarium spp.) have come into focus as the cause of devastating clinical disease. This review aims to analyse environmental factors and parameters related to impairment of the immune system that are thought to favour the onset of invasive mould infections. Some moulds are quite common among all categories of patients, while others appear to be limited to a given subset of patients, such as allogeneic haematopoietic stem cell or solid organ transplant recipients. In addition to an exploration of factors that predispose patients to the acquisition of an invasive mould infection, prognostic factors that help to predict the eventual outcome of these infections are identified.
Insights
Invasive fungal infections pose significant risks to immunocompromised patients, particularly those with cancers or undergoing transplants. This review examines factors contributing to these infections and identifies prognostic indicators for patient outcomes.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Immunocompromised Host
Background:
- Invasive fungal diseases (IFDs) are a major cause of mortality in immunocompromised individuals.
- Patients with hematological malignancies, solid cancers, and organ/stem cell transplants are at high risk.
- While Aspergillus and Candida species are common, rare molds like Zygomycetes and Fusarium are emerging pathogens.
Purpose of the Study:
- To analyze environmental factors predisposing to invasive mold infections.
- To investigate immune system impairments that increase susceptibility.
- To identify prognostic factors influencing patient outcomes in IFDs.
Main Methods:
- Literature review of environmental and host-related factors.
- Analysis of epidemiological data on fungal pathogens.
- Identification of risk factors and prognostic indicators for IFDs.
Main Results:
- Specific environmental conditions and immune deficits correlate with increased risk of IFDs.
- Certain molds are prevalent across patient groups, while others are specific to transplant recipients.
- Prognostic factors for IFDs have been identified.
Conclusions:
- Understanding predisposing factors is crucial for preventing IFDs in vulnerable populations.
- Tailored strategies are needed based on patient subset and specific fungal pathogens.
- Prognostic factor identification aids in clinical management and improving patient outcomes.
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