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目的:研究颈部血管超声评估椎动脉颅内段狭窄的效果。方法:选择本院2016年7月到2017年6月的168例患者,168例患者中,将94例单侧椎动脉颅内段狭窄患者作为观察组(一侧的VAD≤2.5mm或是与对侧的VAD比值<1/1.7,椎动脉颅内段狭窄),单纯椎动脉发育不全74例为单纯VAH组(一侧的VAD≤2.5mm或是与对侧的VAD比值<1/1.7,椎动脉全程无明显狭窄,但是伴有后循环缺血症),并选择同期健康体检人群94例作为对照组,对三组群体的临床指标进行研究。结果:对照组中的VAD为3.94±1.38mm,明显高于观察组2.04±1.36mm以及单纯VAH组2.25±0.94mm,数据统计存在差异(P<.05),具有统计学意义。对照组以及单纯的VAH组双侧阻力数值存在差异(P<0.05),具有统计学意义。观察组患者阻力指数(0.81±1.47)以及单纯VAH组阻力指数(0.68±1.38)与对照组左侧的阻力指数(0.67±0.98)相比明显较高,数据统计存在差异(P<.05),具有统计学意义。结论:颈部血管超声检测中的推动脉椎间的阻力指数、阻力指数差值等能够作为评估椎动脉颅内段狭窄的基本参数,同时也可以为临床诊断提供有效依据。
Objective: To study the effect of cervical blood vessel ultrasound in assessing intracranial stenosis of vertebral artery. Methods: 168 patients from July 2016 to June 2017 in our hospital were selected. Of the 168 patients, 94 patients with unilateral intracranial stenosis of the vertebral artery were selected as the observation group (VAD≤2.5 mm on one side or VAD ratio of 1 / 1.7, stenosis of vertebral artery in the contralateral vertebral artery) and simple hypoplasia of the vertebral artery in 74 patients were VAH group (VAD≤2.5mm on one side or VAD <1 / 1.7 on the opposite side) Vertebral artery no obvious stenosis, but accompanied by posterior circulation ischemic disease), and select the same period 94 healthy subjects as a control group, the clinical indicators of the three groups were studied. Results: The VAD in the control group was 3.94 ± 1.38mm, which was significantly higher than that of the observation group (2.04 ± 1.36mm) and VAH group (2.25 ± 0.94mm). There was statistical difference between the two groups (P <.05). Bilateral resistance values in the control group and VAH group were significantly different (P <0.05), with statistical significance. The resistance index (0.81 ± 1.47) in the observation group and the resistance index (0.68 ± 1.38) in the simple VAH group were significantly higher than those in the control group (0.67 ± 0.98) (P <.05) ,has statistical significane. CONCLUSION: The resistance index and resistance index difference of the intervertebral disc in the detection of cervical vascular ultrasound can be used as the basic parameters to evaluate the intracranial stenosis of the vertebral artery, and can also provide an effective basis for clinical diagnosis.