J Korean Soc Radiol.  2022 Mar;83(2):304-316. 10.3348/jksr.2021.0089.

The Effect of COVID–19 on Pediatric Intussusception: A Retrospective Study of a Single Center in South Korea with 10–Year Experience

  • 1Department of Radiology, Korea University College of Medicine, Ansan Hospital, Ansan, Korea
  • 2Department of Pediatrics, Korea University College of Medicine, Ansan Hospital, Ansan, Korea
  • 3Department of Biostatistics, Korea University College of Medicine, Seoul, Korea
  • 4Department of Radiology, Inje University College of Medicine, Ilsan Paik Hospital, Goyang, Korea


To evaluate the effect of the emergence of coronavirus disease-19 (COVID-19) on pediatric intussusception.
Materials and Methods
Patients (< 18 years) who were diagnosed with intussusception and received enema reduction from 2011 to 2020 were included. We reviewed the demographics, yearly/monthly/seasonal incidence of intussusception, method and failure rate of enema reduction, recurrence rate of intussusception, surgical record, and pathologic report. Subsequently, we investigated the differences in mean age, failure rate of enema reduction, and recurrence rate of intussusception between the cases in 2020 and those in the period from 2011 to 2019.
A total of 859 enema reductions were performed during the past decade, more in males and in the age < 1 year (mean age, 22.2 months). The yearly incidence was highest in 2014 and lowest in 2020, and the monthly incidence was highest on December and September. The cases in 2020 (n = 27) had a lower mean age (18.1 months vs. 22.8 months), higher failure rate of enema reduction (7.4% vs. 2.4%), and higher recurrence rate of intussusception (14.8% vs 7.3%) compared with those that occurred between 2011 and 2019 (n = 832). However, these results did not show statistical significance (p = 0.07, p = 0.15, p = 0.14, respectively).
With the emergence of COVID-19, the number of enema reductions was remarkably decreased with a lower mean age, higher failure rate, and higher recurrence rate.


Intussusception; Pediatrics; Enema; COVID-19
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