Maximum Diameter of Ileocecal Lymph Nodes Measured Using Abdominal Ultrasonography Allows for the Discrimination of Yersinia pseudotuberculosis Infection from Kawasaki Disease.
Journal
The Pediatric infectious disease journal
ISSN: 1532-0987
Titre abrégé: Pediatr Infect Dis J
Pays: United States
ID NLM: 8701858
Informations de publication
Date de publication:
11 Sep 2024
11 Sep 2024
Historique:
medline:
11
9
2024
pubmed:
11
9
2024
entrez:
11
9
2024
Statut:
aheadofprint
Résumé
This study aimed to determine whether the maximum diameter of ileocecal lymph nodes measured using abdominal ultrasonography is useful for differentiating Yersinia pseudotuberculosis infection from Kawasaki disease in the acute phase. The optimal maximum diameter cutoff of the ileocecal lymph nodes was also explored to optimize differentiation between these 2 diseases. We included pediatric patients <15 years old who met the diagnostic criteria for Kawasaki disease. Stool culture testing, loop-mediated isothermal amplification of stool specimens, and serological diagnosis were performed to confirm the presence or absence of Y. pseudotuberculosis infection. Of the 122 patients included in the analysis, 17 were confirmed to have Y. pseudotuberculosis infection and 105 were not. The age (in months), white blood cell count, C-reactive protein level, prediction score (risk score) for nonresponse to intravenous immunoglobulin, and number of intravenous immunoglobulin doses did not differ significantly between the Y. pseudotuberculosis-positive and -negative groups. The maximum diameter of ileocecal lymph nodes was 6.0 (5.5-9.5) mm in the Y. pseudotuberculosis-positive group and 3.0 (2.5-3.8) mm in the Y. pseudotuberculosis-negative group (numbers presented as median, interquartile range), with a significantly larger diameter in the Y. pseudotuberculosis-positive group (P < 0.01, Mann-Whitney U test), suggesting potency of ultrasonography. In patients meeting the diagnostic criteria for Kawasaki disease, the possibility of Y. pseudotuberculosis infection is significantly higher if the maximum ileocecal lymph node diameter ≥5.1 mm. Its sensitivity and specificity being 100%, and 89.5%, respectively.
Sections du résumé
BACKGROUND
BACKGROUND
This study aimed to determine whether the maximum diameter of ileocecal lymph nodes measured using abdominal ultrasonography is useful for differentiating Yersinia pseudotuberculosis infection from Kawasaki disease in the acute phase. The optimal maximum diameter cutoff of the ileocecal lymph nodes was also explored to optimize differentiation between these 2 diseases.
METHODS
METHODS
We included pediatric patients <15 years old who met the diagnostic criteria for Kawasaki disease. Stool culture testing, loop-mediated isothermal amplification of stool specimens, and serological diagnosis were performed to confirm the presence or absence of Y. pseudotuberculosis infection.
RESULTS
RESULTS
Of the 122 patients included in the analysis, 17 were confirmed to have Y. pseudotuberculosis infection and 105 were not. The age (in months), white blood cell count, C-reactive protein level, prediction score (risk score) for nonresponse to intravenous immunoglobulin, and number of intravenous immunoglobulin doses did not differ significantly between the Y. pseudotuberculosis-positive and -negative groups. The maximum diameter of ileocecal lymph nodes was 6.0 (5.5-9.5) mm in the Y. pseudotuberculosis-positive group and 3.0 (2.5-3.8) mm in the Y. pseudotuberculosis-negative group (numbers presented as median, interquartile range), with a significantly larger diameter in the Y. pseudotuberculosis-positive group (P < 0.01, Mann-Whitney U test), suggesting potency of ultrasonography.
CONCLUSION
CONCLUSIONS
In patients meeting the diagnostic criteria for Kawasaki disease, the possibility of Y. pseudotuberculosis infection is significantly higher if the maximum ileocecal lymph node diameter ≥5.1 mm. Its sensitivity and specificity being 100%, and 89.5%, respectively.
Identifiants
pubmed: 39259870
doi: 10.1097/INF.0000000000004531
pii: 00006454-990000000-01013
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc.
Déclaration de conflit d'intérêts
The authors have no conflicts of interest to disclose. Atsushi Kato received faculty research expenses from Kawasaki Medical School. The other authors have no conflicts of interest to disclose.
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