Pates, Katharine M;
Periselneris, Jimstan N;
Brown, Jeremy S;
(2023)
Opportunistic bacterial, viral and fungal infections of the lung.
Medicine
, 51
(11)
pp. 777-783.
10.1016/j.mpmed.2023.08.002.
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Abstract
Respiratory opportunistic infections are a major cause of morbidity and mortality in severely immunocompromised patients, such as those treated with biological therapies, chemotherapy and solid organ or stem cell transplants, and those with haematological malignancy, aplastic anaemia or HIV infection. The type and degree of immune defect dictates the profile of potential opportunistic pathogens; T-cell-mediated defects increase the risk of viral (cytomegalovirus, respiratory viruses) and Pneumocystis jirovecii infections, whereas neutrophil defects are associated with bacterial pneumonia and invasive aspergillosis. However, patients often have combinations of immune defects, and a wide range of other opportunistic infections can cause pneumonia. Importantly, conventional non-opportunistic pathogens are also frequently encountered in immunocompromised hosts and should not be overlooked. The radiological pattern of disease (best assessed by computed tomography) and speed of onset help identify the likely pathogen(s); this can then be supported by targeted investigation including early use of bronchoscopy in selected patients. Rapid and expert clinical assessment can help identify the most likely pathogens, allowing timely appropriate therapy.
| Type: | Article |
|---|---|
| Title: | Opportunistic bacterial, viral and fungal infections of the lung |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.mpmed.2023.08.002 |
| Publisher version: | https://doi.org/10.1016/j.mpmed.2023.08.002 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Aspergillus; Cryptococcus; fungi; immunocompromised host; Nocardia; opportunistic infections; pneumonia; viruses |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine > Respiratory Medicine |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10180434 |
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