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[Lung infection after kidney transplantation. I. Etiology, pathogenesis and clinical picture]
1III. interní výzkumná základna, Institutu klinické a experimentální medicíny, Praha.
Abstract:
Pulmonary infection is a frequent and serious complication following kidney transplantation. Increased susceptibility to infection is due to a decrease in the patient's immunological response caused by immunosuppression through drug administration, and by other influences. The majority of bacterial sources are gram-negative, often hospital strains. The most important gram-positive bacterium is Staphylococcus aureus. Lung tb occurs with a 10-25 times higher frequency than in the rest of the population. Nocardial and Legionella pneumonias are no exception. Candida and Aspergillus are the most common fungus infections. They affect patients weakened by previous bacterial or virus infections. Cytomegalovirus is the most serious among the latter. The disease is usually accompanied by fever, leukopenia, thrombocytopenia and hepatitis. Pneumocystic pneumonia is characterized by a rapid progression of hypoxemia without any marked skiagraphical changes. Disseminated toxoplasmosis affects also the central nervous system simultaneously with the lungs, and the clinical picture shows a combination of interstitial pneumonia and a focal neurological finding with consciousness impairment.
Insights
Kidney transplant recipients face high risks of pulmonary infections due to weakened immunity from immunosuppression. Bacterial, fungal, and viral pathogens commonly cause these serious lung infections, impacting patient outcomes.
Area of Science:
- Infectious Diseases
- Transplantation Medicine
- Immunology
Context:
- Kidney transplant patients experience increased susceptibility to infections.
- Immunosuppression therapy significantly compromises the immune response.
- Nosocomial infections are a major concern in this vulnerable population.
Purpose:
- To review the spectrum of pulmonary infections in kidney transplant recipients.
- To highlight common and opportunistic pathogens affecting the lungs post-transplant.
- To underscore the clinical presentations and diagnostic challenges of these infections.
Summary:
- Gram-negative bacteria, Staphylococcus aureus, tuberculosis, Nocardia, and Legionella are frequent bacterial causes.
- Fungal infections (Candida, Aspergillus) and viral infections (Cytomegalovirus) are common, especially in immunocompromised hosts.
- Pneumocystis pneumonia and disseminated toxoplasmosis present with distinct, severe clinical syndromes.
Impact:
- Understanding these pulmonary infections is crucial for timely diagnosis and management.
- Effective prevention and treatment strategies are vital to improve graft and patient survival.
- This knowledge aids clinicians in recognizing and addressing post-transplant pulmonary complications.