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Society for Pediatric Radiology – Poster Archive
Final ID: Poster #: CR-023
Paediatric MR Enterography under general anaesthetic: Our Experience
Purpose or Case Report: The incidence of paediatric inflammatory bowel disease (pIBD) is increasing. MR enterography (MRE) is increasingly recognised as the gold standard imaging technique for the small bowel in IBD. The advantages of MRE include the lack of ionising radiation and greater soft tissue definition. It also allows functional information from diffusion sequences and is used for IBD diagnosis, monitoring of disease activity and complications such as abscess, stricture or fistula. Extra-intestinal manifestations can also be identified.
Younger children often need a general anaesthetic (GA) in order to undergo MRI. Excellent distension of the small bowel loops on MRE is essential to aid accurate assessment. As the child cannot drink a large volume of fluid prior to anaesthetic induction, fluid distension is facilitated through insertion of a nasojejunal tube and instillation of fluid via the tube whilst under GA. We present our institutional practice from a large paediatric hospital for performing MR enterography under GA in young children.
A retrospective study of our Radiology Information Service (RIS) was undertaken to identify children under the age of 10 years who underwent MRE under GA between 2010-2015. The anaesthetic charts of these children were obtained and the anaesthetic duration / complications were recorded. The imaging was reviewed to evaluate the MRI quality, degree of distension and report finding. The MR protocol and sequence optimisation will also be discussed.
12 patients were included in the study, aged from 23 months to 10 years.The length of GA time ranged from 110-185 minutes (average 142 minutes) and no significant adverse effects were described. The mean fluoroscopy radiation dosage for NJ insertion was low (8 micrograys) and the success rate was high (91%).
All completed studies were reviewed and oral contrast reached the terminal ileum in 100%. Bowel distension was rated as good or excellent in all cases.
Our institutional experience has shown that MRE under GA with nasojejunal tube enteroclysis is feasible and can safely produce high quality, diagnostic imaging in the young paediatric patient.
Methods & Materials:
Results:
Conclusions:
Younger children often need a general anaesthetic (GA) in order to undergo MRI. Excellent distension of the small bowel loops on MRE is essential to aid accurate assessment. As the child cannot drink a large volume of fluid prior to anaesthetic induction, fluid distension is facilitated through insertion of a nasojejunal tube and instillation of fluid via the tube whilst under GA. We present our institutional practice from a large paediatric hospital for performing MR enterography under GA in young children.
A retrospective study of our Radiology Information Service (RIS) was undertaken to identify children under the age of 10 years who underwent MRE under GA between 2010-2015. The anaesthetic charts of these children were obtained and the anaesthetic duration / complications were recorded. The imaging was reviewed to evaluate the MRI quality, degree of distension and report finding. The MR protocol and sequence optimisation will also be discussed.
12 patients were included in the study, aged from 23 months to 10 years.The length of GA time ranged from 110-185 minutes (average 142 minutes) and no significant adverse effects were described. The mean fluoroscopy radiation dosage for NJ insertion was low (8 micrograys) and the success rate was high (91%).
All completed studies were reviewed and oral contrast reached the terminal ileum in 100%. Bowel distension was rated as good or excellent in all cases.
Our institutional experience has shown that MRE under GA with nasojejunal tube enteroclysis is feasible and can safely produce high quality, diagnostic imaging in the young paediatric patient.
Methods & Materials:
Results:
Conclusions:
More abstracts on this topic:
Diagnostic accuracy of MR Enterography detecting mucosal healing in Pediatric Crohn’s disease.
Davila Jorge, Highmore Kerri, Miller Elka
Early onset infantile inflammatory bowel diseaseAdu John, Watson Tom
Poster____CR-023.pdf
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