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Published on: February 23, 2014
[Infectious pulmonary complications of rheumatic diseases]
1Klinikum Bad Bramstedt, Klinik für Rheumatologie und Klinische Immunologie, Poliklinik für Rheumatologie, Universitätsklinikum Schleswig Holstein, Bad Bramstedt, Deutschland. moosig@klinikumbb.de
Abstract:
Infectious complications are a central problem in the treatment of patients with rheumatic diseases. The increased infection rate is mainly caused by immunosuppressive medication, particularly glucocorticoids. A more aggressive diagnostic approach, often including bronchoscopic procedures, is often necessary to obtain samples for microbiological examinations. In immuno-compromised patients the failure of a calculated empiric antibiotic therapy is associated with a higher risk of fatal outcome. Among possible opportunistic infections Pneumocystis jirovecii pneumonia (PCP), invasive aspergillosis and CMV reactivations are most relevant. Furthermore, particularly with the use of TNF-blocking agents, reactivation of latent tuberculosis (TB) might be observed. There are only a few situations in which anti-infective chemo-prophylaxis is established: In the case of latent TB INH-prophylaxis should be given when anti-TNF-therapy is considered. There is evidence in favour of PCP prophylaxis with trimethoprim/cotrimoxazole in patients receiving intense immunosuppression with high dose glucocorticoids and cyclophosphamide.
Insights
Patients with rheumatic diseases face high infection risks due to immunosuppressants. Prophylaxis for tuberculosis and Pneumocystis pneumonia is recommended in specific high-risk scenarios.
Area of Science:
- Rheumatology
- Infectious Diseases
- Pharmacology
Context:
- Infectious complications are a significant challenge in managing rheumatic diseases.
- Immunosuppressive therapies, especially glucocorticoids, increase infection susceptibility.
- Aggressive diagnostics, including bronchoscopy, are often required for microbiological analysis.
Purpose:
- To highlight key opportunistic infections in immunosuppressed rheumatic disease patients.
- To discuss the role of anti-infective chemoprophylaxis in specific contexts.
- To emphasize the importance of tailored prophylactic strategies.
Summary:
- Rheumatic disease patients on immunosuppressants are prone to infections like Pneumocystis jirovecii pneumonia (PCP), invasive aspergillosis, CMV reactivation, and tuberculosis (TB).
- Failure of empiric antibiotic therapy in immunocompromised individuals correlates with increased mortality.
- Prophylaxis is established for latent TB with isoniazid (INH) before anti-TNF therapy and for PCP with trimethoprim/cotrimoxazole in patients on high-dose glucocorticoids and cyclophosphamide.
Impact:
- Informed clinical decisions regarding infection risk assessment and management in rheumatic disease patients.
- Improved patient outcomes through targeted prophylactic interventions.
- Reduced morbidity and mortality associated with opportunistic infections in this vulnerable population.
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