117 results
Fungal Biomarkers: Comparing Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 •
Beta-D-Glucan and Aspergillus ... component of many fungi ... Spec ~77-96% Aspergillus ... constituent of Aspergillus ... /Spec -80% for IA
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Beta-D-Glucan and Aspergillus ... component of many fungi ... Pathogens: Candida, Aspergillus ... /Spec ~80% for IA ... closely related fungi
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
component of many fungi ... use: Candida, Aspergillus ... constituent of Aspergillus ... 81% for dx of IA ... closely related fungi
Clinical spectrum of aspergillosis

By Dr. Sara Dong @swinndong 

#ID  #Infectious Diseases  #Infections
#Aspergillus #Aspergillosis #IA
#Infections #Aspergillus ... Aspergillosis #IA
Fungal biomarkers
Beta-d-glucan
Aspergillus galactomannan

By Dr. Sara Dong @swinndong via Febrile [febrilepodcast.com]

#ID  #Infectious Diseases  #Infections
#Differential #Ddx
Beta-d-glucan Aspergillus ... Diagnosis #Fungal #Fungi ... galactomannan #Aspergillus
Morphology and Descriptions of Fungal Infections with Hyphae or Pseudohyphae in Tissues
Yeasts with Pseudohyphae: 
 •
Candida spp. however Aspergillus ... other hyaline fungi ... Consistent with Aspergillus ... genera; however Asperglllus ... with dematiaceous fungi
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
difficile (gut) • Fungi ... (mucosa), Aspergillus ... Adenovirus, RSV • Fungi ... : Aspergillus spp ... reactivation), RSV • Fungi
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
Invasive Aspergillus ... (IA) - Diagnosis ... Risk Factors for IA ... of choice for IA ... #IA #Diagnosis
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
ß-D-glucan: • Most fungi ... aspergillosis (IA ... inconsistently in other fungi ... Diagnosis #Fungus #Fungi
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Gram-negative bacilli - Fungi ... (Candida, Aspergillus ... Gram-negative bacilli - Fungi