Clinical Focus ›› 2024, Vol. 39 ›› Issue (3): 234-238.doi: 10.3969/j.issn.1004-583X.2024.03.006

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Value of lung ultrasound in the assessment of community-acquired pneumonia in infants aged 1-3 months

Zhang Xia1,2a, Tang Yan1,2b, Liu Wenli1,2a, Liu Juan1,2a()   

  1. 1. The Second Clinical College of North Sichuan Medical College, Nanchong 637000, China
    2. a Department of Pediatrics; b Department of Ultrasound, Nanchong Central Hospital, Nanchong 637000, China
  • Received:2023-12-21 Online:2024-03-20 Published:2024-06-12
  • Contact: Liu Juan E-mail:415558602@qq.com

Abstract:

Objective To evaluate the clinical value of lung ultrasound score (LUSS) in infants aged 1-3 months who suffered from community-acquired pneumonia (CAP). Methods Clinical data of infants with CAP at the age of 1-3 months and examined by lung ultrasound (LUS) within 48 hours after admission were collected. The severity of pneumonia was quantified and classified, and the correlation of disease severity with LUSS was analyzed. Receiver operating characteristic (ROC) curves were plotted to assess the potential of the LUSS in predicting severe pneumonia. Results The LUSS was significantly higher in infants of severe pneumonia group than those of the mild pneumonia group (12.0[6.0, 21.5] points vs 3.0[1.0, 8.0] points, P<0.05). Disease severity was positively correlated with LUSS (r=0.487, P<0.01). The optimal cut-off value of LUSS in predicting severe pneumonia was 5.5 points, with the sensitivity and specificity of 81.8% and 69.6%, respectively. Conclusion LUSS reflects the severity of CAP in infants aged 1-3 months, and it is a practical tool for clinical evaluation and follow-up monitoring.

Key words: pneumonia, ultrasonography, infant

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