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  • Title: Evaluation of subclinical left ventricular systolic dysfunction in patients with acute-phase Kawasaki disease by hematological indices, layer-specific left ventricular longitudinal strain and global myocardial work.
    Author: Li L, Li GA, Huang J.
    Journal: J Clin Ultrasound; 2023 Jun; 51(5):764-773. PubMed ID: 36773287.
    Abstract:
    PURPOSE: To evaluate subclinical LV systolic dysfunction in aKD patients by hematological indices, global layer-specific LV longitudinal strain and myocardial work (MW). METHODS: Forty-three normal controls and 42 aKD patients were enrolled in the present study. The peak systolic epimyocardial (GLSEpi), middle layer (GLSMid) and endomyocardial (GLSEndo) longitudinal strain, global myocardial work index (GWI), global constructive work (GCW), global wasted work (GWW) and myocardial work efficiency (GWE) were measured by two-dimensional speckle-tracking echocardiography in apical three-chamber, four-chamber, and two-chamber views. RESULTS: The absolute values of GLSEpi, GLSMid, and GLSEndo in aKD patients were significantly lower than those in normal controls (p < .01). The values of GCW and GWE were significantly lower than those of normal controls (p < .05). There were no significant differences among the AUCs of layer-specific LV GLS and global MW (p > .05). The correlation test showed that layer-specific LV GLS showed a good correlation with GCW. Multivariable analysis showed that Hb and LVEF were independent factors for GCW. CONCLUSION: In this research, we found that subclinical LV systolic dysfunction was detected by layer-specific GLS and MW in aKD patients. GCW has the same diagnostic value as layer-specific LV GLS. Hb and LVEF are independent factors of LV myocardial function.
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