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目的探究降钙素原(PCT)在小儿肺炎诊断中的应用价值。方法所有患儿入院后均行PCT检测,对比不同类型小儿肺炎PCT阳性率,及各组治疗前后PCT变化情况。结果细菌性肺炎组PCT阳性率最高为90.91%,明显高于支原体肺炎组和病毒性肺炎组,差异有统计学意义(P<0.05);细菌性肺炎组治疗前的PCT水平最高,待用药后,细菌性肺炎组PCT随着用药时间延长,而明显降低,而支原体肺炎组和病毒性肺炎组用药前后无明显改变,2组不同用药时间PCT水平比较差异有统计学意义(P<0.05)。结论 PCT检测在小儿肺炎类型的临床鉴别、指导临床用药及评估临床用药疗效中,值得临床应用和推广。
Objective To investigate the value of procalcitonin (PCT) in the diagnosis of pediatric pneumonia. Methods All children underwent PCT test after admission, comparing the PCT positive rate of different types of pediatric pneumonia and PCT changes before and after treatment. Results The positive rate of PCT in bacterial pneumonia group was the highest (90.91%), which was significantly higher than that in mycoplasma pneumonia group and viral pneumonia group (P <0.05). The PCT level in bacterial pneumonia group before treatment was the highest, PCT in bacterial pneumonia group was significantly decreased with the prolongation of treatment time, while there was no significant change in the mycoplasma pneumonia group and viral pneumonia group before and after treatment. There were significant differences in PCT levels between the two groups (P <0.05). Conclusion PCT test in clinical diagnosis of type of pneumonia in children, to guide the clinical use of drugs and evaluation of clinical efficacy, worthy of clinical application and promotion.