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Disseminated aspergillosis occurring in patients with respiratory, renal, and hepatic failure
Abstract:
Respiratory, renal, and hepatic insufficiency developed in five patients who had been admitted to hospital for a variety of reasons. Although in four cases Aspergillus had been isolated from tracheal secretions before death, the significance of this finding was not fully appreciated, and in all five the diagnosis of aspergillosis was made at necropsy. Since treatment has to be started early if it is to be effective, patients with any combination of respiratory, renal, and hepatic failure should have their tracheal secretions examined daily. If Aspergillus is cultured, and hyphae are present in a fresh smear, and the patient has features of a generalised infection without an obvious site of infection, treatment for aspergillosis should be considered.
Insights
Early diagnosis of invasive aspergillosis is critical for effective treatment. This fungal infection can cause severe respiratory, renal, and hepatic failure in hospitalized patients.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Critical Care Medicine
Background:
- Aspergillosis is a serious fungal infection that can affect immunocompromised individuals.
- Hospitalized patients with multiple organ dysfunction are at risk for invasive fungal infections.
- Diagnosis of invasive aspergillosis is often challenging and frequently made post-mortem.
Observation:
- Five patients admitted to the hospital for various reasons developed respiratory, renal, and hepatic insufficiency.
- Aspergillus was isolated from tracheal secretions in four of the five patients before death.
- The significance of Aspergillus isolation from tracheal secretions was underestimated in these cases.
Findings:
- A definitive diagnosis of aspergillosis was established post-mortem in all five patients.
- Delayed diagnosis prevented timely and effective treatment initiation.
- Combined respiratory, renal, and hepatic failure can be indicative of invasive aspergillosis.
Implications:
- Daily examination of tracheal secretions is recommended for patients with combined organ failure.
- Prompt microbiological investigation, including fungal culture and smear microscopy for hyphae, is crucial.
- Early consideration of aspergillosis treatment is vital for improving patient outcomes in critical care settings.