2013 - ISBTS 2013 Symposium
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Mini-Oral Communications 2
26.363 - Radiation exposure in pediatric intestinal transplants
Presenter: AnneMarie, DeVoll-Zabrocki, , United States
Authors: AnneMarie DeVoll-Zabrocki1, Wendy Grant1, David Mercer1, Luciano Vargas1, Alan Langnas1
Radiation exposure in pediatric intestinal transplants
AnneMarie DeVoll-Zabrocki1, Wendy Grant1, David Mercer1, Luciano Vargas1, Alan Langnas1
1Organ Transplant, UNMC, Omaha, NE, United States
Intestinal transplantation has become the standard of care for patients with life threatening complications of intestinal failure. Immediate post-operative care management of pediatric intestinal transplant recipients is challenging. A recognized concern in pediatric patients over the last decade has been the potential risks from ionizing radiation to these small bodies in their early years of development.
Methods: Retrospective review of a prospective database of pediatric patients undergoing intestinal transplant. Focus of review was radiation exposure in millisievert (mSv) in the first 6 weeks following initial transplant. Demographics and outcomes were reviewed.
Results: 55 patients during a 4.5 year period were reviewed. 11 underwent isolated intestine and 44 combined liver/intestine transplant. Mean age was 25.6 mo and most common diagnoses were NEC and gastroschisis.
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Mean # CXR
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Mean CXR radiation dose
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Mean # CT
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Mean CT radiation dose
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Mean Total radiation dose
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ISB
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9.7
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0.156mSv
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0.5
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6.05mSv
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7.7177mSv
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LSB
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28.3
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0.453mSv
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1.2
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11.495
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12.133mSv
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Patients under the age of 24 months were exposed to 1199 procedures with a mean dose of 1.068mSv, as compared to those over 24 months exposed to 352 procedures with a mean dose of 1.533mSv. This higher exposure was due to a higher number of CT scans in the older patients. As reference, a single view chest radiography is approximately 0.016mSv.
Radiation exposure in critically ill pediatric patients can have potential long term effects on their overall health. These data have heightened our awareness of this and we have made efforts to decrease their exposure.
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