Pediatric Gastroenterology, Hepatology & Nutrition

The Korean Society of Pediatric Gastroenterology, Hepatology and Nutrition (대한소아소화기영양학회)
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Significance of Follow-Up Ultrasonography 24 Hours Post-Reduction in Detecting Intussusception Recurrence

  • Kim, Sujin (Department of Pediatrics, Severance Children's Hospital, Yonsei University College of Medicine) ;
  • Lim, HyeJi (Department of Pediatrics, Severance Children's Hospital, Yonsei University College of Medicine) ;
  • Park, Sowon (Department of Pediatrics, Severance Children's Hospital, Yonsei University College of Medicine) ;
  • Koh, Hong (Department of Pediatrics, Severance Children's Hospital, Yonsei University College of Medicine)
  • Received : 2021.09.12
  • Accepted : 2021.12.17
  • Published : 2022.01.15
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Abstract

Purpose: The objective of this study was to identify the significance of 24-hour post-reduction ultrasonography (US) in pediatric patients with intussusception. Methods: A total of 229 patients with intussusception who were treated with saline reduction at Severance Children's Hospital between January 2014 and September 2020 were retrospectively reviewed. The 229 patients with successful saline reduction were divided into two groups: a recurrence at 24 hours group (R, n=41) and a non-recurrence group (NR, n=188). The full patient sample was divided into two groups: follow-up US (FU) or no follow-up US (NFU); the recurrence group was divided into follow-up (R-FU) and non-follow-up (R-NFU) subgroups, and stratified analyses were performed. Results: There were no significant differences in age, sex, laboratory findings, symptoms, and sonographic findings between the NR and R groups. In the R group, 24 patients underwent follow-up US, and 17 patients did not. Specific sonographic findings were statistically significant in the R-FU group compared to the R-NFU group (p=0.002). The R-FU group had fewer admissions (p=0.012) and longer mean hospitalization times (p<0.001) than the R-NFU group. The NFU group had a 12.2% recurrence rate, while the R-FU group recurrence rate was 25.8% (p=0.0099), suggesting that the omission of some recurrent events and follow-up US was a significant variable in the recurrence of intussusception. The median time to recurrence was 21 hours which supports the 24-hour follow-up protocol. Conclusion: Twenty-four-hour follow-up US was shown to be valuable for detecting early recurrence of intussusception.

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References

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