The burden and natural history of cardiac pathology at TB diagnosis in a high-HIV prevalence district in Zambia:...

Area of Science:

• Cardiology
• Infectious Diseases
• Public Health

Background:

• Tuberculosis (TB) remains a leading cause of death in sub-Saharan Africa (SSA).
• The region faces a growing burden of non-communicable diseases, particularly cardiovascular disease (CVD).
• Cardiac involvement in TB is known, but its prevalence alongside pulmonary TB (PTB) requires systematic evaluation.

Purpose of the Study:

• To assess the burden of cardiac pathology in PTB patients in Lusaka, Zambia.
• To understand the cardiac impact in individuals with and without HIV co-infection.
• To evaluate the natural history of cardiac conditions during TB treatment.

Main Methods:

• A cross-sectional and natural history study design was employed.
• Participants with PTB (with and without HIV) and TB-uninfected controls were recruited.
• Baseline and follow-up assessments included clinical data, echocardiography, and laboratory tests.

Main Results:

• The study aimed to determine the burden of cardiac pathology at TB diagnosis.
• It sought to describe associations between cardiac issues, risk factors, and biomarkers.
• The natural history of cardiac pathology during TB treatment was to be described.

Conclusions:

• The study will provide crucial insights into the co-existence of cardiac pathology and PTB.
• Findings will inform integrated management strategies for TB and CVD in high-burden settings.
• Understanding cardiac involvement is essential for improving patient outcomes in SSA.