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| Evaluation of Diagnostic Value of Carotid Ultrasound Combined with TCD in H-type Hypertension Based on Hemodynamic Parameters |
| HUANG Haifen, LI Ren, ZHANG Wenlong |
| Chenzhou First People's Hospital, Hunan Chenzhou 423000, China |
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Abstract Objective: To investigate the diagnostic value of carotid ultrasound (CAU) combined with transcranial doppler (TCD) to obtain hemodynamic parameters for H-type hypertension. Methods: 108 patients with H-type hypertension (observation group) and 124 patients with simple hypertension (control group) were selected. The average blood flow velocity (Vm), resistance index (RI) and pulsation index (PI) of common carotid artery, middle cerebral artery and vertebral artery were obtained by CAU and TCD.To analyze the value of hemodynamic parameters obtained by CAU combined with TCD in the diagnosis of H-type hypertension. Results: Vm of common carotid artery, middle cerebral artery and vertebral artery in the observation group was lower than that in the control group (P<0.05), RI and PI were higher than those in the control group (P<0.05).Multivariate logistic regression analysis showed that common carotid artery RI and middle cerebral artery RI were independently correlated with type H hypertension (P<0.001).The area under curve (AUC) of common carotid artery RI, middle cerebral artery RI and common carotid artery RI combined with middle cerebral artery RI in diagnosing H-type hypertension was 0.770, 0.677 and 0.850, respectively. Conclusion: Hemodynamic abnormalities in patients with H-type hypertension are more obvious than those in patients with simple hypertension. The hemodynamic parameters obtained by CAU combined with TCD have higher diagnostic value for H-type hypertension.
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2020, Vol. 26 
