102份新生儿疾病筛查采血标本不合格的原因分析及对策

目的:分析不合格标本的发生原因,制定正确的预防措施。方法:对2007～2009年不合格新生儿疾病筛查采血标本的不合格原因进行分类统计分析。结果:2007～2009年不合格率为0.97%,筛查标本不合格原因主要为血斑直径小于8 mm占29.5%、血斑未渗透双面占19.6%、血斑渗透不均占18.6%、血斑未洗脱占17.6%、血斑有溶血环占8.8%等,以上原因共占94.1%,出生后小于72 h采血等其他原因占5.9%。2007、2008和2009年标本不合格率分别为1.11%、0.95%和0.89%。结论:对不合格标本质量问题进行分析,对标本采集人员进行培训,提高其责任心,落实规章制度,对保证新生儿疾病筛查的标本质量有重要意义。

The reasons and countermeasure of unqualified blood specimens of 102 newborns in neonatal screening

Objective:To analyze the reasons of unqualified blood specimens,in order to set up the workable preventive measurements.Methods:The reasons of the unqualified blood specimens in neonatal screening were analyzed from 2007 to 2009.Results:From 2007 to 2009,the unqualified samples ratio was 0.97%,the main reason was that bloodstains diameter was smaller than 8mm(29.5%),bloodstains did not penetrate into the both sides(19.6%),bloodstains penetrated uneven(18.6%),bloodstains were not eluted(17.6%),there were hemolytic zone in bloodstains(8.8%).All above reasons were totally 94.1%,other reasons were 5.9%.The unqualified samples rate was 1.11% in 2007,0.95% in 2008 and 0.89% in 2009.Conclusion: It is important for ensuring the good quality of the newborn disease screening specimens to analyze the unqualified samples,train the collecting persons.