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目的:探讨64排螺旋计算机断层扫描(CT)血管造影颈脑血管成像扫描技术优化与临床应用价值。方法:将本院2013年1月-2014年12月收治的123例头颈部血管病变患者或相关高风险体检人员作为本次研究对象,随机将其分成研究组(68例)与对照组(55例)。对照组行常规剂量扫描,扫描参数设置为120 k V、220 m A,扫描层厚度为10 mm,原始图像薄层重建1.25 mm,重建间隔1.25 cm,扫描矩阵512×512;研究组行低剂量扫描,具体参数如下:100 k V、80 m A,其余参数同对照组,对两组颈脑血管病变患者颈脑血管图像评分、病变、诊断价值等进行观察对比。结果:研究组颈脑血管图像评分、阳性率以及阴性率均优于对照组,组间比较,差异具有统计学意义(P<0.05)。结论:对头颈部血管病变患者应用64排螺旋CT血管造影低剂量扫描,可提高图像质量。
Objective: To explore the optimization and clinical value of 64-slice spiral computed tomography (CT) angiography in cervical and cerebrovascular imaging scanning. Methods: A total of 123 patients with head and neck disease or related high-risk medical examinations admitted to our hospital from January 2013 to December 2014 were selected as the study subjects and randomly divided into study group (68 cases) and control group 55 cases). The control group received routine dose scanning. The scan parameters were set at 120 kv and 220 m A, the scan thickness was 10 mm, the original image was reconstructed 1.25 mm, the reconstruction interval was 1.25 cm, and the scan matrix was 512 × 512. Scan, the specific parameters are as follows: 100 kv, 80 m A, the remaining parameters with the control group, the two groups of cervical and cerebrovascular disease in patients with cervical and cerebrovascular imaging score, lesions, diagnostic value were observed and compared. Results: The score of cervical and cerebrovascular images, the positive rate and the negative rate of the study group were better than those of the control group. The differences between the two groups were statistically significant (P <0.05). Conclusion: The application of 64-slice spiral CT angiography low-dose scanning in patients with head and neck vasculopathy can improve the image quality.