Nitric oxide production in the exhaled air of patients with pulmonary tuberculosis in relation to HIV co-infection
2008

Nitric Oxide Levels in Tuberculosis Patients with HIV

Sample size: 111 publication 10 minutes Evidence: moderate

Author Information

Author(s): Idh Jonna, Westman Anna, Elias Daniel, Moges Feleke, Getachew Assefa, Gelaw Aschalew, Sundqvist Tommy, Forslund Tony, Alemu Addis, Ayele Belete, Diro Ermias, Melese Endalkachew, Wondmikun Yared, Britton Sven, Stendahl Olle, Schön Thomas

Primary Institution: Linköping University

Hypothesis

The study aims to investigate levels of fractional exhaled nitric oxide (FeNO) in relation to clinical symptoms and urinary nitric oxide metabolites in tuberculosis patients with and without HIV co-infection.

Conclusion

Both HIV negative and HIV co-infected TB patients showed low levels of exhaled nitric oxide compared to blood donors and household contacts.

Supporting Evidence

  • HIV-/TB patients had a higher proportion of increased FeNO levels compared to HIV+/TB patients.
  • HIV+/TB patients had significantly higher urinary NO levels than HIV-/TB patients.
  • Both TB patient groups had lower FeNO levels compared to blood donors and household contacts.

Takeaway

The study found that people with tuberculosis and HIV have lower levels of a gas called nitric oxide in their breath compared to healthy people.

Methodology

A cross-sectional study measuring FeNO and urinary NO metabolites in TB patients and their contacts.

Potential Biases

Potential bias due to exclusion criteria and the specific population studied.

Limitations

The study was limited to a specific population in Ethiopia and may not be generalizable to other settings.

Participant Demographics

The study included 95 TB patients (36 HIV positive, 59 HIV negative), with a mix of male and female participants aged 15-60.

Statistical Information

P-Value

0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2334-8-146

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