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The long-term boomerang effect of COVID-19 on admissions for non-COVID diseases: the ECIEN-2022 study

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Abstract

Since COVID-19 pandemic started, many changes have been seen in the cycling patterns of pediatric pathologies. On year 2020, we described the initial effects of COVID-19, with a significant decrease in emergency visits and admissions, but 2 years later the situation seems to be reversed. Our study bridges a literature gap by exploring the lasting effects of COVID-19 on pediatric non-COVID admissions, particularly the resurgence of respiratory illnesses. ECIEN-2022 is a single-center, retrospective, observational-study conducted 3 years after the pandemic onset, to describe the long-term effects of COVID-19 in pediatric admissions for non-COVID diseases. Admissions during year 2022 were compared with the Pre-Pandemic Period (PPP: 2015–2019). Pediatric Emergency Department (P-ED) visits, hospital, and Intensive Care Unit (P-ICU) admissions were compared across pre- and post-pandemic periods. Monthly distribution and year-waves are presented. P-ED monthly visits (mean and Standard deviation (SD) raised from 3521 (533) in the PPP to 3775 (996) in 2022 (p < 0.001). Monthly hospital admissions in the 3rd quarter of the Pre-Pandemic Period were 111.7/month (SD:29), dropped to 88.5(SD:6.5) in 2020 and raised to 149(SD:38.8) in 2022 (p = 0.036). An increase in respiratory illnesses was observed in 2022 compared to PPP; Bronchiolitis increased 38%, bronchitis 56%, and admissions for Respiratory Syncytial Virus 67%.

  Conclusion: COVID-19 pandemic has had a significant impact on the use and nature of pediatric health services. The initial decrease has been followed by a boomerang effect with an increase of cases, mainly due to an increase in respiratory infections when pandemic control measures and social restrictions have been lifted. It is essential to maintain an active surveillance and monitorization of these patterns to ensure appropriate healthcare access and utilization.

What is Known:

• COVID-19 pandemic initially led to a significant decrease in emergency visits and admissions for non-COVID diseases.

What is New:

• ECIEN-2022 study investigated the long-term effects of COVID-19 on pediatric admissions for non-COVID diseases, detecting a “boomerang effect” with an increase in pediatric admissions for non-COVID diseases in year 2022.

Pediatric Emergency Department visits and hospital admissions for non-COVID diseases, especially those due to respiratory infections, increased significantly in 2022 when compared to the Pre-Pandemic Period.

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Data availability

The HUN Hospital datasets analyzed during the current study are not publicly available due to hospital rules, regarding patient information, but are available from the corresponding author on reasonable request.

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Funding

No funding was secured for this study. No financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject. Dr Moreno-Galarraga was partially supported by Fundación Ramón Areces (Scholarships for Postdoctoral Studies XXXIV) research grant for foreign centers.

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Authors and Affiliations

Authors

Contributions

BR, NS-G, AIL, NV and LL-F contributed to conception and design, analysis, and draft of the manuscript. AF-M contributed to design, analysis, and revision of the manuscript. BR, MH-A and AI contributed to acquisition and critical revision of the manuscript. LMG contributed to conception and design, acquisition, and critical revision of the final manuscript. All authors have agreed to submit this article in the present form. Each has participated sufficiently in the conception and design of the work. All authors approved the final manuscript as submitted and agree to be accountable for all aspects of the work.

Corresponding author

Correspondence to Laura Moreno-Galarraga.

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Ethics approval

The local ethics committee approved on May 2020 the study “Comite de Etica del Complejo Hospitalario de Navarra” (CHN: PI_2020/38: Estudio epidemiológico de las infecciones respiratorias por el nuevo Coronavirus SARS-CoV-2 en población pediátrica).

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The authors declare no competing interests.

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Communicated by Gregorio Milani

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Ramos La Cuey, B., Saloni-Gomez, N., Ilundain López de Munain, A. et al. The long-term boomerang effect of COVID-19 on admissions for non-COVID diseases: the ECIEN-2022 study. Eur J Pediatr 182, 4227–4236 (2023). https://doi.org/10.1007/s00431-023-05101-1

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  • DOI: https://doi.org/10.1007/s00431-023-05101-1

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