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Tiên lượng rối loạn nhịp tim nguy hiểm sau phẫu thuật tứ chứng fallot bằng kết hợp điện thế muộn và biến thiên nhịp tim
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Abstract
74 Tetralogy of Fallot patients> 15 years of age were completely surgeryrepair and tracking dangerous arrhythmia within 3 years. The patient was measured 24-hour Holter ECGand signal-averaged electrocardiography; using ROC curves assess the sensitivity and specificity in prognosis dangerous arrhythmias. Use the OR to compare the combination value of heart rate variability and signal-averaged electrocardiography. The best cut-offpoint of HFQRSdprognosis in ventricular arrhythmias is greater than 151 ms; AUC = 0.783; Sensitivity: 86.4%; Specificity: 63.5%. The best cut-offpoint of HFLA prognosis in ventricular arrhythmias is greater than 47 ms; AUC = 0.654; Sensitivity: 50%; Specificity: 88.5%. The best cut-offpoint of RMS in ventricular arrhythmias prognosis is less than or equal 21 μV; AUC = 0.633; Sensitivity: 59.1%; Specificity: 71.2%. Patients with signal-averaged electrocardiography(+) and decrease the heart rate variability can predict dangerous ventricular arrhythmias 13.14 times higher (OR = 13.14) compared with patients with signal-averaged electrocardiography(-) and heart rate variabilitypersist, with p < 0.05.
Combined signal-averaged electrocardiographyand heart rate variability have the best power for predictingthe dangerous arrhythmias.
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References
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