Pulmonary arterial hypertension (PAH) has a subtle onset, rapid progression, and high mortality rate. Imaging evaluation is an important diagnostic and follow-up method for PAH patients. Right ventricular (RV) strain evaluation can identify early changes in RV function and predict the prognosis. Currently, various methods such as tissue Doppler imaging, velocity vector imaging, speckle tracking imaging, and cardiac magnetic resonance imaging can be used to evaluate RV strain in PAH patients. This article aims to summarize the research progress of RV strain imaging evaluation technology in PAH patients, in order to provide a basis for clinical diagnosis and follow-up of PAH patients.
肺动脉高压（pulmonary arterial hypertension, PAH）起病隐匿，进展迅速，病死率高，影像评估是PAH患者的重要诊断和随访方法。右心室（right ventricular, RV）应变评估可识别RV功能障碍的早期变化及预测患者预后。目前临床中可通过组织多普勒成像技术、速度向量成像技术、斑点追踪成像技术以及心脏磁共振技术等多种方法对PAH患者RV应变进行评估。该文旨在总结PAH患者RV应变影像评估技术的研究进展，从而为临床诊断和随访PAH患者提供依据。.
Keywords: Imaging technology; Pulmonary arterial hypertension; Right ventricular strain.