Clinical Characteristics of Severe Mycoplasma Pneumoniae Pneumonia
Objective To investigate the clinical characteristics of severe mycoplasma pneumoniae pneumonia(SMPP)in children.Methods Clinical data of SMPP children who were hospitalized in the pediatric intensive care unit of Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology from January 1st,2018 to December 31st,2021 were retrospectively collected,and data of their clinical characteristics were analyzed.Results Among the 84 children with SMPP,children aged 72 months were the most common.The number of elderly group was significantly higher than that in the infant group(59 vs.25,P＜0.05).July witnessed the highest SMPP detection rate.The main clinical manifestations were fever,cough and extrapulmonary symptoms.In all,73.8％of the children had changes in pulmonary signs,and 33.3％of them had extrapul-monary complications during the course of the disease.The positive rate of metagenomic next-generation sequencing(mNGS)in bronchoalveolar lavage fluid was 100.0％,and the positive rate of nucleic acid detection was 80.5％,which was higher than oth-er detection methods.Age,admitted oxygen flow,and lactate dehydrogenase(LDH)values were independent risk factors for ad-vanced respiratory support for SMPP,including CPAP and invasive ventilators.Conclusion High and long-time fever,as well as serious extrapulmonary complications are common characteristics among SMPP children.The younger the children,the more se-vere the lung lesions.Bronchoalveolar lavage with bronchoalveolar lavage solution mNGS is a rapid and highly specific diagnostic method for children with SMPP.
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