Speckle tracking tissue motion mitral annulus displacement to assess early changes in the left ventricle and its association with lung function in patients with chronic obstructive pulmonary disease.
Journal of clinical ultrasound : JCU（2023）
Abstract
The LV geometric changes and systolic function impairment in COPD patients were found to correlate with airflow restriction (FEV1%). TMAD aided in detection of early changes in LV systolic function in COPD patients. It negatively correlated with PASP and positively with FEV1%. Moreover, it was more convenient than GLS.
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Key words
chronic obstructive pulmonary disease, global longitudinal strain, left ventricle, lung function, mitral annular displacement, speckle tracking imaging, ventricular function
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