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目的探讨射频超声评价头颈部肿瘤患者放疗前后颈动脉结构和功能的价值。方法头颈部肿瘤放疗患者35例,应用射频超声技术测定放疗前后患者颈总动脉内-中膜厚度(IMT)、顺应性系数(CC)、硬度指数(α)、硬度指数(β)、脉搏波传导速度(PWV),比较放疗前后各参数的变化。结果放疗后颈总动脉α、β、PWV均高于放疗前,CC低于放疗前(P<0.05);放疗前后IMT比较差异无统计学意义(P>0.05)。结论射频超声技术可早期发现头颈部肿瘤放疗患者颈动脉结构及功能的变化,为临床干预提供依据。
Objective To evaluate the value of radiofrequency ultrasonography in evaluating the structure and function of carotid artery in patients with head and neck cancer before and after radiotherapy. Methods Totally 35 patients with head and neck cancer were treated with radiofrequency ablation. Before and after radiotherapy, the carotid artery IMT, CC, hardness, β, Wave velocity (PWV), compare the changes before and after radiotherapy parameters. Results The total carotid artery α, β and PWV after radiotherapy were higher than those before radiotherapy, and the CC was lower than before radiotherapy (P <0.05). There was no significant difference in IMT before and after radiotherapy (P> 0.05). Conclusion Radio-frequency ultrasound can detect the changes of carotid artery structure and function in patients with head and neck cancer radiotherapy early and provide the basis for clinical intervention.