结论:第一个半衰期剂量加倍法可明显提高类风湿关节炎病人的依从性。
The contrast agent has low toxicity, good biocompatibility, large time window and high saturation magnetization, and the half-life period of the contrast agent in the blood reaches 30 to 60 minutes.该造影剂毒性低,生物相容性好,在血液中的半衰期达30 ~ 60分钟,时间窗口大,且饱和磁化强度大。