After half-year follow-up, it was found that the rejection of the renal graft was alleviated, MPO-ANCA and IF-ANCA were negative in 4 cases and 2 cases respectively.

• 结果表明，血清ANCA滴度的动态变化可以作为监测移植肾急性血管排斥的一项指标，对早期诊断和指导治疗有重要意义。