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Updated: Aug 10, 2025

Author Spotlight: Investigating the Key Factors of Obliterative Bronchiolitis After Lung Transplantation
Published on: November 10, 2023
Opportunistic Infections Post-Lung Transplantation: Viral, Fungal, and Mycobacterial
1Columbia University Lung Transplant Program, Division of Pulmonary, Allergy, and Critical Care Medicine, Columbia University Irving Medical Center, Columbia University Vagelos College of Physicians and Surgeons, 622 West 168th Street PH-14, New York, NY 10032, USA.
Abstract:
Opportunistic infections are a leading cause of lung transplant recipient morbidity and mortality. Risk factors for infection include continuous exposure of the lung allograft to the external environment, high levels of immunosuppression, impaired mucociliary clearance and decreased cough reflex, and impact of the native lung microbiome in single lung transplant recipients. Infection risk is mitigated through careful pretransplant screening of recipients and donors, implementation of antimicrobial prophylaxis strategies, and routine surveillance posttransplant. This review describes common viral, fungal, and mycobacterial infectious after lung transplant and provides recommendations on prevention and treatment.
Insights
Opportunistic infections pose significant risks to lung transplant recipients. This review details common infections and strategies for their prevention and treatment to improve patient outcomes.
Area of Science:
- Medicine
- Immunology
- Infectious Diseases
Background:
- Opportunistic infections are a major cause of illness and death in lung transplant recipients.
- Key risk factors include environmental exposure, immunosuppression, and impaired airway defenses.
Purpose of the Study:
- To review common viral, fungal, and mycobacterial infections following lung transplantation.
- To provide evidence-based recommendations for infection prevention and treatment.
Main Methods:
- Literature review of opportunistic infections in lung transplant recipients.
- Synthesis of current guidelines for prophylaxis and surveillance.
- Analysis of treatment strategies for common pathogens.
Main Results:
- Identified common pathogens and their associated risk factors.
- Highlighted the importance of pretransplant screening and posttransplant surveillance.
- Detailed effective antimicrobial prophylaxis and treatment regimens.
Conclusions:
- Proactive management, including screening, prophylaxis, and surveillance, is crucial for mitigating infection risk.
- Timely diagnosis and appropriate treatment of infections are essential for improving lung transplant recipient survival and morbidity.
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