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Chest Radiograhic Patterns of Smear Positive Tuberculosis in Relation to HIV: A Cross-Sectional Study in a Population with a High Burden of HIV and Tuberculosis.
Br J Med Med Res ; 2014 Dec; 4(35): 5474-5483
Article in English | IMSEAR | ID: sea-175735
ABSTRACT

Aim:

The purpose of this study was to investigate the chest radiographic patterns of smear positive pulmonary tuberculosis patients in relation to HIV co-infection. Study Deign Cross-sectional descriptive study Place and Duration of the Study The study was conducted at Gondar University hospital between May 2004–December 2007.

Methodology:

We studied chest radiographs of 207 (128 HIV negative and 79 HIV positive) consecutive sputum smear positive pulmonary tuberculosis patients according to the standard classification. Mean and percentages/ proportions were used for descriptive analysis. Chi square test was used to measure association.

Results:

The prevalence of HIV in patients with smear positive pulmonary tuberculosis was 38.2%. The most common chest radiographic patterns were fibronodular (83.1%), cavity (60.4%), lobar consolidation (49.8%), and brochopnemonic consolidation (9.2%). Lymphadenopthy and pleural effusion were more common in HIV co infected patients (p<0.01). Cavities, upper lobe disease and increased mean number of lung lobes involved were more prominent in HIV negative patients (P<0.05). Despite a higher rate of patients with far advanced CXR patterns in HIV negative TBC patients compared to HIV positive (p<0.026), there was no significant difference in the radiographic, sputum smear conversion or clinical response in terms of increased body mass index after 8 weeks of anti TBC treatment between HIV negative and HIV positive patients.

Conclusion:

Post primary pulmonary tuberculosis was the commonest chest radiographic pattern at presentation in both HIV positive and HIV negative patients, but atypical chest radiographic presentations were associated with co-infection. It was more common for HIV negative tuberculosis patients to have a radiologically far advanced pattern which did not correspond to the clinical and radiological response. This may prompt a need for revision of the current radiological classification.

Full text: Available Index: IMSEAR (South-East Asia) Type of study: Observational study / Prevalence study / Risk factors Language: English Journal: Br J Med Med Res Year: 2014 Type: Article

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Full text: Available Index: IMSEAR (South-East Asia) Type of study: Observational study / Prevalence study / Risk factors Language: English Journal: Br J Med Med Res Year: 2014 Type: Article