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Nonbacterial thrombotic endocarditis after lung transplantation
Eduardo Miñambres1, Antonio M González, Marta Mayorga
1Services of Intensive Care, University Hospital Marqués de Valdecilla, 39008 Santander, Spain.
Heart & Lung : the Journal of Critical Care
|December 6, 2005
Summary
Bacteria-free verrucae, or nonbacterial thrombotic endocarditis, is a rare condition. This case report highlights its potential development following lung transplantation, suggesting a link to post-operative hypoxigenic states.
Area of Science:
- Cardiovascular Pathology
- Transplantation Medicine
- Hematology
Background:
- Nonbacterial thrombotic endocarditis (NBTE) is associated with various conditions, including immunosuppression and malignancy.
- NBTE has not been previously reported in the context of lung transplantation.
- Early detection of NBTE can be challenging, even with advanced imaging like transesophageal echocardiography.
Observation:
- A patient developed NBTE in the right atrium and cardiac valves three days post-bilateral lung transplant.
- The NBTE was not detected on preoperative echocardiographic studies.
- Histological examination confirmed the presence of NBTE vegetations.
Findings:
- This case presents the first reported instance of NBTE following lung transplantation.
- Hypoxigenic pulmonary states post-lung transplant may be a triggering factor for NBTE.
- NBTE formation involves complex interactions between the coagulation system, platelets, and endothelial cells.
Implications:
- Increased awareness of NBTE risk in lung transplant recipients is warranted.
- Further research is needed to elucidate the specific mechanisms linking lung transplantation and NBTE.
- Consideration of NBTE in unexplained thrombotic events post-lung transplant may improve patient outcomes.