Clinico-radiological criteria versus GeneXpert for diagnosis of pediatric tuberculosis

Authors

  • Saïd O. Ali Department of Pediatrics, Mother-Child University Hospital Tsaralalana, Antananarivo, Madagascar
  • Hanitriniaina S. C. Samena Department of Pediatrics, Mother-Child University Hospital Tsaralalana, Antananarivo, Madagascar http://orcid.org/0000-0001-8517-6926
  • Kanto A. Razafindraibe Department of Medical Imaging, University Hospital Joseph Raseta Befelatanana, Antananarivo, Madagascar
  • Annick L. Robinson Department of Pediatrics, Mother-Child University Hospital Tsaralalana, Antananarivo, Madagascar Faculty of Medicine, Antananarivo, Madagascar

DOI:

https://doi.org/10.18203/2320-6012.ijrms20223075

Keywords:

Pediatric tuberculosis, Sensitivity and specificity, Scoring system, Thoracic radiography

Abstract

Background: Diagnosing tuberculosis in children remains a challenge especially in low-income countries. The aim of this study was to assess the performance of the scoring system combined to chest x-ray images compared to GeneXpert for diagnosis of pediatric tuberculosis.

Methods: A retrospective diagnostic accuracy study was carried out on hospitalized children aged 0 to 14 years old, tuberculosis suspect in the pediatric department of the Tsaralalana mother child university hospital center from August 2018 to June 2020.

Results: Fifty-one medical files were retained. The mean age was 4±2 years old with a sex ratio of 1.55. The reason for consultation was dominated by respiratory signs (56.9%). The GeneXpert was positive in 58.9% of cases. The chest X-ray images were pathological in all cases, dominated by images of condensation or infiltration (72.5%). WHO score was positive (≥7) in 72.5% of cases. The clinico-radiological criteria had a sensitivity of 13.3-63.3%, a specificity of 61.9-95.2%, positive predictive values of 1.5-6.9% and negative predictive values of 98.8-99.3%.

Conclusion: Clinico-radiological criteria could be useful in individual diagnosis of pediatric tuberculosis.

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Published

2022-11-25

How to Cite

Ali, S. O., Samena, H. S. C., Razafindraibe, K. A., & Robinson, A. L. (2022). Clinico-radiological criteria versus GeneXpert for diagnosis of pediatric tuberculosis. International Journal of Research in Medical Sciences, 10(12), 2744–2749. https://doi.org/10.18203/2320-6012.ijrms20223075

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Original Research Articles