Mycobacterial Infections in a Virginia Hospital (2001-2009)
Author Information
Author(s): Satyanarayana Gowri, Heysell Scott K, Scully Kenneth W, Houpt Eric R
Primary Institution: University of Virginia
Hypothesis
What are the clinical features and epidemiology of mycobacterial infections in a large Virginia hospital?
Conclusion
Mycobacterial infections were common and diverse, with immigrant status, cavities, and effusion associated with TB compared to NTM.
Supporting Evidence
- 494 unique mycobacterial infections were identified from 467 patients.
- Patients with pulmonary TB were more likely to be immigrants and less likely to have predisposing risk factors for NTM.
- Chest CT scans showed that TB infections were more likely to exhibit cavities and pleural effusion compared to NTM infections.
Takeaway
This study looked at infections caused by mycobacteria in a hospital over several years and found many different types of these infections, especially in people from other countries.
Methodology
Data was collected from the University of Virginia Clinical Data Repository for mycobacterial infections from 2001-2009, including patient demographics and CT scan results.
Potential Biases
Potential bias in reporting due to clinicians' knowledge of microbiological diagnoses when interpreting CT scans.
Limitations
The study relied on data from a single institution and may not represent broader trends; also, the lack of mandatory reporting for NTM may lead to underreporting.
Participant Demographics
467 patients with mycobacterial infections, including a significant number of immigrants.
Statistical Information
P-Value
p<0.001 for immigrant status and p=0.002 for predisposing risk factors.
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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