Analysis of ultrasound coronary parameters and blood red cell distribution width and N-terminal pro-brain natriuretic peptide concentrations following coronary lesions in children with Kawasaki disease.

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Aims/Background Kawasaki disease is an acute inflammatory condition primarily affecting the young children. It can lead to coronary artery abnormalities, which can worsen the prognosis. Early diagnosis of coronary disease is crucial for the effective treatment and the prognosis evaluation. To explore the clinical significance of ultrasound examination characteristics, peripheral blood red cell distribution width, and changes in N-terminal pro-brain natriuretic peptide levels for the early detect coronary artery abnormality in children with Kawasaki disease. Methods The case-control study was conducted. 85 Kawasaki disease patients diagnosed in our hospital from January 2020 to December 2023 were selected as the Kawasaki disease group. 100 healthy children who received physical examination in the Department of Child Healthcare during the same period were selected as control group. The cardiac ultrasound indicators, erythrocyte sedimentation rate, C-reactive protein, white blood cell, neutrophil percentage, platelet count, D-dimer, red cell distribution width, N-terminal pro-brain natriuretic peptide of two groups were compared. The Kawasaki disease group was further divided into the coronary artery lesion group and the non-coronary artery lesion group based on whether coronary artery lesions occurred in the Kawasaki disease patients. The differences of above indicators were compared. Results The left main coronary artery, left anterior descending branch, and right coronary artery Z-scores of the Kawasaki disease group were all higher than those of the control group (p < 0.05). There was no significant difference in left ventricular ejection fraction between Kawasaki disease group and control group (p > 0.05). The erythrocyte sedimentation rate, C-reactive protein, neutrophil percentage, platelet count, D-dimer, red cell distribution width, and N-terminal pro-brain natriuretic peptide of Kawasaki disease group were all higher than those of control group (p < 0.05). The left main coronary artery, left anterior descending branch, and right coronary artery Z-scores of Kawasaki disease patients with coronary artery lesions were all higher than those of Kawasaki disease patients without coronary artery lesions (p < 0.05). The left ventricular ejection fraction of Kawasaki disease patients with coronary artery lesions was lower than that of Kawasaki disease patients without coronary artery lesions (p < 0.05). The erythrocyte sedimentation rate, C-reactive protein, white blood cell, neutrophil percentage, platelet count, D-dimer, red cell distribution width, and N-terminal pro-brain natriuretic peptide of Kawasaki disease patients with coronary artery lesions were all higher than those of Kawasaki disease patients without coronary artery lesions, and the differences were statistically significant (p < 0.05). After treatment, the left main coronary artery, left anterior descending branch, and right coronary artery Z-scores of Kawasaki disease patients with coronary artery lesions significantly decreased (p < 0.05), and the left ventricular ejection fraction significantly increased (p < 0.05). The erythrocyte sedimentation rate, C-reactive protein, white blood cell, neutrophil percentage, platelet count, D-dimer, red cell distribution width, and N-terminal pro-brain natriuretic peptide of Kawasaki disease patients with or without coronary artery lesions significantly decreased after treatment compared with before treatment in the same group (p < 0.05). Conclusion Kawasaki disease patients with coronary artery lesions exhibit significantly increased coronary artery vessel diameter, as well as elevated red cell distribution width and N-terminal pro-brain natriuretic peptide concentration. The combined use of ultrasound combined with red cell distribution width and N-terminal pro-brain natriuretic peptide examination can assist in determining whether Kawasaki disease patients have coronary artery lesions and assessing the clinical treatment effect.