CHINESE JOURNAL OF MEDICINAL GUIDE >
Clinical Value of Macrogenomic Sequencing in the Management of Neonatal Sepsis
Received date: 2025-01-09
Revised date: 2025-12-06
Accepted date: 2026-02-06
Online published: 2026-04-21
Objective: To explore the application value of macrogenome sequencing technology in the treatment of neonatal sepsis.Methods: Retrospective analysis of the medical records of children diagnosed with neonatal sepsis who were hospitalized in the neonatal ward of the Capital Institute of Paediatrics from January 2012 to January 2023, and divided them into the NGS group and the non-NGS group according to whether they had perfected the NGS examination, comparing the clinical manifestations and experimental examinations of the two groups, as well as the time of the children's clinical treatment in the two groups. In the NGS group, the detection rates of macro-genome sequencing and traditional pathogenicity testing were compared, and the impact of macro-genome sequencing results on clinical treatment time was analysed in the NGS group. Results A total of 144 cases of children who met the criteria were collected, including 81 cases in the non-NGS group and 63 cases in the NGS group, with fever, dyspnoea and blood abnormalities as the main clinical manifestations in the two groups (P>0.05), and there were statistically significant differences in neutrophils (NEU) and C-reactive protein (CRP)in the laboratory tests (P<0.05), of which the NGS group had less time in treatment than the non-NGS group. There was less than that of the non-NGS group, but there was no statistically significant difference (P>0.05). In the NGS group,the positive detection rate was 48.57% in blood, 100% in sputum culture, and 52.94% in cerebrospinal fluid, and macrogenomic sequencing had a higher detection rate in the three body fluids compared with traditional pathogenetic testing (P<0.05). Compared with non-detection or low confidence results, high-confidence macrogenome sequencing results in 40 cases had a positive detection rate of 63.49%, but the high-confidence macrogenome sequencing results in terms of time to treatment were significantly reduced compared with other macro-genome sequencing results results (P<0.05).Conclusion: High-confidence macrogenomic sequencing results are highly indicative of clinical treatment.It is recommended for early selection when there is a high clinical suspicion of infection and the pathogen cannot be identified by conventional aetiology.
添力 宋添力 宋
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Clinical Value of Macrogenomic Sequencing in the
Management of Neonatal Sepsis
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