Pediatr Gastroenterol Hepatol Nutr.  2020 Jul;23(4):329-345. 10.5223/pghn.2020.23.4.329.

Nationwide Population-Based Epidemiologic Study on Childhood Intussusception in South Korea: Emphasis on Treatment and Outcomes

Affiliations
  • 1Department of Pediatrics, Nowon Eulji Medical Center, Seoul, Korea
  • 2Department of Pediatrics, Eulji University School of Medicine, Daejeon, Korea
  • 3Department of Pediatrics, Seoul National University Bundang Hospital, Seongnam, Korea
  • 4Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea

Abstract

Purpose
This was a nationwide population-based study conducted to investigate the epidemiology, treatment, disease outcomes, and associated factors of childhood intussusception in South Korea.
Methods
Data from the Korean National Health Insurance Service database on all patients <18 years old diagnosed with intussusception from 2007 to 2017 were analyzed.
Results
A total of 34,688 cases were identified among 30,444 patients. The overall incidence was 28.3/100,000 person-years with a male predominance. Most cases (83.1%) occurred in children <3 years old, with an annual incidence of 195.2, 200.1, and 118.6 cases per 100,000 children in their first, second, and third year of life, respectively. The median age at the first occurrence was 18.7 months, and it was higher in boys than in girls. The post-discharge recurrence rate was 10.6% (3,226/30,444) and the in-hospital recurrence rate was 6.1% (1,842/30,444). The total recurrence rate (post-discharge recurrence and/or in-hospital recurrence) was 15.0% (4,580/30,444). Enema reduction was successful in 90.0% of cases. Enema reduction was more successful in girls than in boys. A total of 3,296 (10.8%) patients underwent 3,481 surgeries, including 735 (21.1%) laparoscopic surgeries. Post-discharge recurrence and surgery were significantly affected by age, sex, and hospital type. Mortality was noted in nine cases (0.03%).
Conclusion
Our study provides accurate epidemiologic data on the treatment and outcomes of intussusception through complete enumeration during an 11-year-period.

Keyword

Intussusception; Epidemiology; Treatment; Outcome; Child
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