[Invasive fungal infection in haematology patients]

J Carlos Vallejo Llamas1, Isabel Ruiz-Camps

  • 1Unidad de Trasplante Hematopoyético, Hospital Universitario Central de Asturias, Oviedo, España. carlosvallej@gmail.com

Insights

Invasive fungal infections (IFIs) pose a significant threat to immunocompromised patients. Individual risk assessment is crucial for selecting optimal antifungal strategies and improving survival rates.

Area of Science:

  • Mycology
  • Hematology
  • Infectious Diseases

Context:

  • Invasive fungal infections (IFIs) are a major cause of morbidity and mortality in patients undergoing chemotherapy for hematological diseases and hematopoietic stem cell transplant recipients.
  • Managing IFIs is complex due to new antifungals and diagnostic tests, leading to varied therapeutic strategies like prophylaxis, empirical, pre-emptive, and targeted treatments.

Purpose:

  • To emphasize the critical role of individual patient risk assessment in selecting appropriate prophylactic and therapeutic antifungal approaches.
  • To discuss the selection criteria and recommended uses of various antifungal agents.

Summary:

  • IFI management in high-risk patients requires careful consideration of individual risk factors.
  • Available antifungal options include fluconazole, mould-active azoles, echinocandins, and amphotericin B formulations.
  • The paper reviews current therapeutic strategies and provides guidance on antifungal agent selection.

Impact:

  • Optimizing antifungal therapy through individualized risk assessment can improve survival rates in vulnerable patient populations.
  • This guidance aids clinicians in navigating complex IFI management decisions.
  • Enhances the understanding of antifungal drug selection for treating invasive mycoses.

Related Concept Videos

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic01:26

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic

Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies. Common...
Antifungal Agents01:15

Antifungal Agents

Amphotericin B is a broad-spectrum antifungal agent that exploits structural differences between fungal and mammalian cell membranes. Its amphipathic structure—featuring a hydrophobic polyene-lactone ring and a hydrophilic region containing mycosamine and carboxylic acid groups—enables selective binding to ergosterol, a sterol predominantly found in fungal plasma membranes. This selective interaction underlies the drug’s antifungal activity, although weak binding to cholesterol contributes to...
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Bone Marrow Sampling and Transplants01:22

Bone Marrow Sampling and Transplants

Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...
Endocarditis IV: Nursing Management01:29

Endocarditis IV: Nursing Management

Infective endocarditis (IE) is a chronic infection of the heart's endocardium, primarily affecting the heart valves. A detailed nursing assessment for a patient with IE involves collecting subjective and objective data to ensure an accurate diagnosis and timely intervention.Subjective DataThe nurse gathers information about the patient's symptoms and complaints during the subjective assessment. Patients with infective endocarditis often report non-specific symptoms that can mimic other...