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目的探讨微生物检验标本不合格的原因及其质量控制对策。方法回顾性分析来宾市人民医院检验科2016年接收的不合格微生物检验标本350例,分析不合格微生物检验标本分布情况、发生原因及其质量控制对策,并以痰液标本为例,探讨动态监测在提高标本合格率中的应用效果。结果 350例不合格微生物检验标本中痰液标本151例,占比最高,为43.1%;尿液标本92例,占26.3%;其次为血液标本、分泌物标本、粪便标本、无菌液体标本。微生物检验标本不合格原因主要有取样操作过程不规范和标本污染。与呼吸科沟通后痰液标本不合格率低于沟通前(P<0.05)。结论微生物检验标本出现不合格的原因主要有取样采集过程不够规范、样本污染、送检不及时等,医院应加强相关医护人员的专业培训,完善相关制度,强化科室间的沟通交流,提高标本质量控制率。
Objective To investigate the causes of unqualified microbial test specimens and the quality control measures. Methods Retrospective analysis of 350 cases of unqualified microorganism samples received by Laboratory of People’s Hospital of Laibin People’s Hospital in 2016, analysis of the distribution of unqualified microorganism samples, the causes and quality control measures, and sputum samples for example, to explore the dynamic monitoring In improving the passing rate of specimens in the application results. Results 151 cases of sputum samples were detected in 350 cases of unqualified microorganisms, accounting for the highest proportion, accounting for 43.1%; 92 cases of urine samples accounting for 26.3%; followed by blood samples, secretions samples, stool samples and sterile liquid samples. The main reason for the unqualified microbial test specimens sampling operation is not standardized and specimen contamination. After communicating with the respiratory department, the failure rate of sputum samples was lower than that before communication (P <0.05). Conclusion The main reasons for the unqualified microbial test specimens are the sampling sampling process is not standardized, the sample is contaminated, the delivery is not timely, the hospital should strengthen the professional training of relevant medical personnel, improve the relevant system, strengthen the communication between departments and improve the quality of specimens Control rate.