Chest Imaging Features of Influenza A (H1N1) Patients
Author Information
Author(s): Bux SI, Norlisah Mohd. Ramli, Ahmad Sarji, Kamarulzaman A
Primary Institution: Department of Biomedical Imaging, Faculty of Medicine, University of Malaya
Hypothesis
What are the chest imaging findings in patients with confirmed Influenza A(H1N1)?
Conclusion
The study found that chest imaging features in Influenza A(H1N1) patients are similar to those seen in other viral infections like SARS and H5N1.
Supporting Evidence
- 42% of patients had positive initial chest radiographic findings.
- The most common findings were bi-basal air-space opacities and perihilar reticular and alveolar infiltrates.
- More than half of the patients had normal chest radiographs.
- CT imaging showed additional findings not detected on plain chest radiographs.
Takeaway
Doctors looked at chest X-rays of sick people to see how the flu affected their lungs, and they found some common patterns.
Methodology
A retrospective review of chest X-rays and CT scans of 166 patients with influenza symptoms who tested positive for Influenza A(H1N1) was conducted.
Limitations
The study only included patients from one center and may not represent all cases of Influenza A(H1N1).
Participant Demographics
73 males and 93 females tested positive for Influenza A(H1N1).
Digital Object Identifier (DOI)
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