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近年来卡介苗接种率不断提高,但卡疤率较低,尤其农村最为明显。卡疤率高低是考核卡介苗接种质量的一个重要指标,但农村卡疤率很难达到要求指标,其原因在于卡介苗的接种技术。作者长期观察乡村医生实际操作和调查了解,发现卡介苗接种中易出现以下几方面的问题,简述如下: 1 注射剂量不足(1)0.1毫升剂量作皮内注射应有直径5毫米以上的圆形皮丘,但很多接种人员在接种注射时往往只看皮丘,不看注入剂量就出针,视觉错误造成皮丘小;(2)皮内注射时进针并不很痛,推苗时则由于压力增大产生疼痛,此时小儿乱动、哭闹,易使针头脱出,药液外溢。
In recent years, the BCG vaccination rate continues to improve, but the rate of scar is low, especially in rural areas. The rate of scarring is an important indicator of the quality of BCG vaccination. However, the rate of scarring in rural areas is hard to reach the required index because of the inoculation technology of BCG. The author has long observed the actual operation of the village doctors and investigation found that BCG vaccination prone to the following problems, summarized as follows: 1 injection dose is less than (1) 0.1 ml dose for intradermal injection should have a diameter of 5 mm or more round Picchu, but many inoculation in vaccination injection often only look at the Picchu, do not look at the injection dose on the needle, the visual error caused by small picchu; (2) intradermal injection of the needle is not very painful, push the seed when As the pressure increases pain, this time children move, crying, easy to prolapse needle, liquid overflow.