Clinical application of superb microvascular imaging in thyroid dysfunction
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摘要:
目的 应用超微血管成像探讨甲状腺上动脉血流参数(收缩期最大流速Vmax、舒张期末流速Vmin、阻力指数RI、血流量)在甲状腺功能异常的超声表现。 方法 初次进行甲状腺检查的患者114例,根据血清检验结果,正常对照组84例,甲亢组34例,甲减组22例。使用方差分析比较3组甲状腺上动脉血流参数的差异,应用SNK比较法进行两两比较分析组间血流参数的差异。 结果 正常对照组与甲减组的Vmax(33.89±17.56 cm/s vs 68.23±15.41 cm/s)、Vmin(12.31±7.59 cm/s vs 25.62±9.41 cm/s)以及血流量(14.92±10.61 mL/min vs 46.67±10.17mL/min)之间的差异有统计学意义(P<0.01),同时,比较甲减组与甲亢组的Vmax(68.23±15.41 cm/s vs 38.36±16.61cm/s)、Vmin(25.62±9.41 cm/s vs 14.15±7.06 cm/s)、血流量(46.67±10.17mL/min vs 14.63±9.69 mL/min )差异有统计学意义(P<0.01),3组间RI值差异无统计学意义(P>0.05),正常对照组与甲亢组的Vmax、Vmin、血流量差异无统计学意义(P>0.05)。 结论 甲状腺上动脉血流参数作为定量参数,能反映甲状腺功能减低的血流情况。 Abstract:Objective To explore ultrasound findings of the thyroid hemodynamic parameters in thyroid disorders by micro vascular imaging. Methods Fifty-six patients with untreated thyroid dysfunction and 84 in control group were enrolled. According to the results of serum tests, 56 patients were divided into hyperthyroidism group (n=34) and hypothyroidism group (n=22). The differences of vascularity index among the three groups were analyzed. Results There were significant differences of Vmax(33.89±17.56 cm/s vs 68.23±15.41 cm/s)、Vmin(12.31±7.59 cm/s vs 25.62±9.41 cm/s) and vascularity flow (14.92±10.61 mL/min vs 46.67±10.17mL/min) in 3 groups (P<0.05). Resistive index in 3 groups had no significant differences. Conclusion The hemodynamic parameters of thyroid can reflect the blood flow of hypothyroidism. -
Key words:
- micro vascular /
- thyroid disorders /
- vascularity parameter
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表 1 3组组间Vmax、Vmin、RI、血流量的两两比较
变量 组别 P Vmax 正常组 甲亢组 0.555 甲减组 0.000 甲亢组 正常组 0.555 甲减组 0.008 Vmin 正常组 甲亢组 0.533 甲减组 0.000 甲亢组 正常组 0.533 甲减组 0.008 RI 正常组 甲亢组 0.993 甲减组 0.045 甲亢组 正常组 0.993 甲减组 0.090 血流量 正常组 甲亢组 0.972 甲减组 0.000 甲亢组 正常组 0.972 甲减组 0.001 -
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