Correlation of the Deepest S Wave and QT Interval Dispersion of the Electrocardiogram with Blood Pressure Variability and NT-proBNP in Patients with Essential Hypertension Combined with Left Ventricular Hypertrophy
WANG Yanyan, Dili Nur Maimaitijiang, Nurbiya Aihemaiti, et al
The Second Affiliated Hospital of Xinjiang Medical University, Xinjiang Urumqi 830068, China
Abstract：Objective: To analyze the correlation of the deepest S wave (SD) and QT (QTcd) interval dispersion of the electrocardiogram with blood pressure variability and NT-proBNP in patients with essential hypertension combined with left ventricular hypertrophy (LVH). Methods: A total of 304 patients with essential hypertension who were treated in the hospital from January 2021 to June 2022 were selected as the research subjects. According to whether the patients were accompanied by LVH or not, they were divided into LVH group (n=173) and non-LVH group (n=131). The SD, QTcd, blood pressure variability and serum NT-proBNP level were compared between the two groups, and the correlation between SD, QTcd and blood pressure variability and NT-proBNP in patients with essential hypertension and LVH was analyzed using Pearson correlation analysis. Results: SD and QTcd in LVH group were significantly higher than those in non-LVH group (P<0. 05). The 24h SCV, 24h DCV, dSCV, dDCV, nSCV and nDCV were significantly higher in LVH group than those in non-LVH group (P<0. 05). Serum NT-proBNP level in LVH group was significantly higher compared to non-LVH group (P<0. 05). SD and QTcd were significantly positively correlated with 24h SCV, 24h DCV, dSCV, dDCV, nSCV and nDCV in patients with essential hypertension and LVH (P<0. 05). SD and QTcd were significantly positively correlated with NT-proBNP in patients with essential hypertension complicated with LVH (P<0. 05). Conclusion: SD and QTcd in patients with essential hypertension complicated with LVH are significantly increased, which may be related to blood pressure variability and serum NT-proBNP level.
王妍嫣, 迪丽努尔·买买提江, 努尔比亚·艾合买提, 祖鲁胡玛尔·肉苏力, 佘强国, 买力旦木·艾克拜. 心电图最深S波QT间期离散度与原发性高血压合并左心室肥厚患者血压变异性NT-proBNP的相关性分析[J]. 河北医学, 2022, 28(12): 2086-2089.
WANG Yanyan, Dili Nur Maimaitijiang, Nurbiya Aihemaiti, et al. Correlation of the Deepest S Wave and QT Interval Dispersion of the Electrocardiogram with Blood Pressure Variability and NT-proBNP in Patients with Essential Hypertension Combined with Left Ventricular Hypertrophy. HeBei Med, 2022, 28(12): 2086-2089.
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2022, Vol. 28 
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