Abstract
Background
International practice regarding the method used to nonoperatively reduce pediatric intussusception is variable.
Objective
To provide an overview of ultrasound-guided pneumatic intussusception reduction and assess its safety and effectiveness.
Materials and methods
A single-center prospective study was conducted in a tertiary referral pediatric hospital during the 15-year period between January 2008 and February 2023. All patients with ileocolic intussusception underwent abdominal sonographic examination for diagnosis. An ultrasound-guided pneumatic reduction of intussusception was then attempted. Children who were hemodynamically unstable, with signs of peritonitis or bowel perforation and those with sonographically detected pathologic lead points were excluded.
Results
A total of 131 children (age range 2 months to 6 years) were enrolled in this study. Pneumatic intussusception reduction was successful in 128 patients (overall success rate 97.7%). In 117 patients, the intussusception was reduced on the first attempt and in the remaining on the second. In three cases, after three consecutive attempts, the intussusception was only partially reduced. As subsequently surgically proven, two of them were idiopathic and the third was secondary to an ileal polyp. No bowel perforation occurred during the reduction attempts. There was recurrence of intussusception in three patients within 24 h after initial reduction which were again reduced by the same method.
Conclusion
Ultrasound-guided pneumatic intussusception reduction is a well-tolerated, simple, safe and effective technique with a high success rate, no complications and no ionizing radiation exposure. It may be adopted as the first-line nonsurgical treatment of pediatric intussusception.
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Data availability
The data used to support the findings of this study are available from the corresponding author upon request.
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M.V. conceived the study and was in charge of overall direction and planning. M.V. and R.S. performed data collection. M.V. wrote the manuscript (with support from R.S.). M.V., R.S., and S.L. contributed to the final version of the manuscript. S.L. worked out the technical details, interpreted the images and performed the statistical analysis. M.V. and R.S. performed reviews and revisions. All authors discussed the results and contributed to the final manuscript. All authors provided critical feedback and helped shape the research, analysis and manuscript. All authors approved the final version of the manuscript.
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Approval was obtained from the Institutional Review Board and Ethical Committee of P. & Α. Κyriakou Children’s Hospital. (The procedures used in this study adhere to the tenets of the Declaration of Helsinki.)
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Supplementary file1 Cine ultrasound images of a 2-year-old girl who presented with intermittent abdominal pain and vomiting for 24 hours (same patient as in Fig. 2). The video demonstrates the final stage of the reduction procedure. The air column has already approached the intussusception and air bubbles are seen between the intussusceptum and the intussuscipiens. Subsequently, the air pushing the head of the intussusception, which initially resists, at the end rushes into the ileum filling the screen; the intussusception has just been reduce. (MP4 39300 KB)
Supplementary file2 Cine ultrasound images of a 2-year-old girl who presented with intermittent abdominal pain and vomiting for 24 hours (same patient as in Fig. 2). The video, which is the sequel to Supplementary Material 1, demonstrates the stepwise appearance of the edematous terminal ileum after the completion of the reduction procedure. The graded compression technique holds the key to achieving that, confirming the reduction of the intussusception. (MP4 39498 KB)
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Vakaki, M., Sfakiotaki, R., Liasi, S. et al. Ultrasound-guided pneumatic reduction of intussusception in children: 15-year experience in a tertiary children’s hospital. Pediatr Radiol 53, 2436–2445 (2023). https://doi.org/10.1007/s00247-023-05730-6
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DOI: https://doi.org/10.1007/s00247-023-05730-6