Anti DNase B microtitration test may be an useful tool in the diagnosis of ARF and AGV. The positive rate of anti DNase B test was higher than that of ASO in patients with ARHD and those with AGN with underlying skin infection.

• 抗DNA酶B在诊断ARF和AGN方面具有重要的临床价值，特别与ASO联合应用价值更大； 对活动期风心病和GAS皮肤感染致AGN的诊断价值明显优于ASO。