Indian pediatrics · 2024
Procalcitonin as Point-of-Care Testing Modality for the Diagnosis of Pneumonia in Children With Influenza-like Illness.
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Hernández-Bou Susanna, Trenchs Victoria, Guirado Cristina, Castrillón Ignacio, Luaces Carles
Аннотация
OBJECTIVE: To evaluate the usefulness of procalcitonin (PCT) as a point-of-care testing to screen for radiographic pneumonia among children with influenza-like illness (ILI) and prolonged fever.
METHODS: A prospective cohort study conducted at the pediatric emergency department of a tertiary hospital. Point-of-care testing for PCT was determined for 185 children aged 3 months to < 18 years with ILI and fever lasting > 4 days seen during the flu season in 2020. A chest radiograph (CXR) was performed for patients with PCT > 0.5 ng/mL.
RESULTS: PCT value was > 0.5 ng/mL in 46 (24.9%) patients; a CXR was ordered in all cases except one and 14 (31.1%) of them had radiographic pneumonia (all had a PCT value > 0.7 ng/mL). Among the 139 (75.1%) patients with a PCT value ≤ 0.5 ng/mL, 137 (98.6%) were managed in the outpatient with symptomatic treatment; the remaining two cases warranted a CXR which was unremarkable in both. At evolution, no radiographic pneumonia was diagnosted in any of them.
CONCLUSION: PCT is a useful tool for point-of-care testing in patients with ILI and fever > 4 days to guide the indication for CXR to rule out radiographic pneumonia and helps in avoiding unnecessary radiation exposure.
METHODS: A prospective cohort study conducted at the pediatric emergency department of a tertiary hospital. Point-of-care testing for PCT was determined for 185 children aged 3 months to < 18 years with ILI and fever lasting > 4 days seen during the flu season in 2020. A chest radiograph (CXR) was performed for patients with PCT > 0.5 ng/mL.
RESULTS: PCT value was > 0.5 ng/mL in 46 (24.9%) patients; a CXR was ordered in all cases except one and 14 (31.1%) of them had radiographic pneumonia (all had a PCT value > 0.7 ng/mL). Among the 139 (75.1%) patients with a PCT value ≤ 0.5 ng/mL, 137 (98.6%) were managed in the outpatient with symptomatic treatment; the remaining two cases warranted a CXR which was unremarkable in both. At evolution, no radiographic pneumonia was diagnosted in any of them.
CONCLUSION: PCT is a useful tool for point-of-care testing in patients with ILI and fever > 4 days to guide the indication for CXR to rule out radiographic pneumonia and helps in avoiding unnecessary radiation exposure.