Computed tomography chest imaging for the detection of pulmonary hypertension in patients with post-tuberculosis lung disease

<b>What the study adds.</b> This study investigated the use of computed tomography (CT) chest imaging to detect pulmonary hypertension (PH) in patients with post-tuberculosis lung disease (PTLD). It revealed significant correlations between the CT-measured pulmonary artery/ascending aorta (PA/AA) diameter ratio and pulmonary artery diameter (PAD), and echocardiographic measures of PH. Notably, a low PA/AA ratio effectively rules out PH, while a high ratio warrants further investigation.<b>Implications of the findings.</b> These findings suggest that CT imaging, particularly PA/AA ratio measurements, could serve as a valuable initial screening tool for ruling out PH in patients with PTLD, particularly in settings with limited access to echocardiography. However, a high PA/AA in PTLD requires confirmation of PH by other means, owing to a low positive predictive value.