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Mucormycosis. A complication of critical care
Abstract:
Lethal nosocomial mucormycosis developed in three previously well individuals while they were receiving intensive care for acute hemorrhagic pancreatitis, for cardiogenic shock, and for a ruptured intra-abdominal aortic aneurysm. In two cases, the condition was first seen as progressive cavitary pneumonia refractory to antibacterial therapy; Mucoraceae was identified in all three patients only at autopsy. Each patient had received large doses of corticosteroids and broad-spectrum antibiotics, and all had suffered from respiratory failure, acute renal failure with acidosis, and severe hyperglycemia in association with total parenteral nutrition. Mucoraceae should be regarded as an additional nosocomial pathogen in the setting of advanced life-support care.
Insights
Nosocomial mucormycosis, a fungal infection, can be lethal in intensive care patients. Mucoraceae poses a significant risk, especially with advanced life support, corticosteroids, and broad-spectrum antibiotics.
Area of Science:
- Infectious Diseases
- Critical Care Medicine
- Mycology
Background:
- Intensive care units (ICUs) are settings for complex medical interventions.
- Patients in critical care often receive immunosuppressive and broad-spectrum antimicrobial therapies.
- Advanced life support measures can predispose patients to opportunistic infections.
Observation:
- Three previously healthy individuals developed lethal nosocomial mucormycosis during intensive care.
- Conditions included acute hemorrhagic pancreatitis, cardiogenic shock, and ruptured intra-abdominal aortic aneurysm.
- Two cases presented as pneumonia resistant to antibiotics, with Mucoraceae identified post-mortem.
Findings:
- All patients received high-dose corticosteroids and broad-spectrum antibiotics.
- Respiratory and acute renal failure with acidosis were common.
- Severe hyperglycemia associated with total parenteral nutrition was noted in all cases.
Implications:
- Mucoraceae should be recognized as a potential nosocomial pathogen in critical care.
- Aggressive management of underlying conditions and judicious use of immunosuppressants and antibiotics are crucial.
- Early detection and treatment strategies for mucormycosis in ICU patients warrant further investigation.