Article ; Online: The burden and natural history of cardiac pathology at TB diagnosis in a high-HIV prevalence district in Zambia: protocol for the TB-Heart study.
2024 Volume 24, Issue 1, Page(s) 205
Abstract: Background: Tuberculosis (TB) continues to be a major cause of death across sub-Saharan Africa (SSA). In parallel, non-communicable disease and especially cardiovascular disease (CVD) burden has increased substantially in the region. Cardiac ... ...
| Abstract | Background: Tuberculosis (TB) continues to be a major cause of death across sub-Saharan Africa (SSA). In parallel, non-communicable disease and especially cardiovascular disease (CVD) burden has increased substantially in the region. Cardiac manifestations of TB are well-recognised but the extent to which they co-exist with pulmonary TB (PTB) has not been systematically evaluated. The aim of this study is to improve understanding of the burden of cardiac pathology in PTB in those living with and without HIV in a high-burden setting. Methods: This is a cross-sectional and natural history study to evaluate the burden and natural history of cardiac pathology in participants with PTB in Lusaka, Zambia, a high burden setting for TB and HIV. Participants with PTB, with and without HIV will be consecutively recruited alongside age- and sex-matched TB-uninfected comparators on a 2:1 basis. Participants will undergo baseline assessments to collect clinical, socio-demographic, functional, laboratory and TB disease impact data followed by point-of-care and standard echocardiography. Participants with PTB will undergo further repeat clinical and functional examination at two- and six months follow-up. Those with cardiac pathology at baseline will undergo repeat echocardiography at six months. Discussion: The outcomes of the study are to a) determine the burden of cardiac pathology at TB diagnosis, b) describe its association with patient-defining risk factors and biochemical markers of cardiac injury and stretch and c) describe the natural history of cardiac pathology during the course of TB treatment. |
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| MeSH term(s) | Humans ; Zambia/epidemiology ; HIV Infections/diagnosis ; HIV Infections/epidemiology ; HIV Infections/complications ; Prevalence ; Cross-Sectional Studies ; Tuberculosis/complications ; Tuberculosis/epidemiology |
| Language | English |
| Publishing date | 2024-04-10 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 2059859-2 |
| ISSN | 1471-2261 ; 1471-2261 |
| ISSN (online) | 1471-2261 |
| ISSN | 1471-2261 |
| DOI | 10.1186/s12872-024-03877-0 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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