Title

Radiation exposure - how do CT scans for appendicitis compare between a free standing children's hospital and non-dedicated pediatric facilities?

Document Type

Article

Publication Date

6-1-2014

Identifier

PMID: 24888854 DOI: 10.1016/j.jpedsurg.2014.01.042

Abstract

BACKGROUND: We compare the amount of radiation children receive from CT scans performed at non-dedicated pediatric facilities (OH) versus those at a dedicated children's hospital (CH).

METHODS: Using a retrospective chart review, all children undergoing CT scanning for appendicitis at an OH were compared to children undergoing CT imaging for appendicitis at a CH between January 2011 and November 2012.

RESULTS: One hundred sixty-three children underwent CT scans at 42 different OH. Body mass index was similar between the two groups (21.00±6.49kg/m(2), 19.58±5.18kg/m(2), P=0.07). Dose length product (DLP) was 620±540.3 at OH and 253.78±211.08 at CH (P < 0.001). OH CT scans accurately diagnosed appendicitis in 81%, while CT scans at CH were accurate in 95% (P=0.026). CTDIvol was recorded in 65 patients with subset analysis showing CTDIvol of 16.98±15.58 and 4.89±2.64, a DLP of 586.25±521.59 and 143.54±41.19, and size-specific dose estimate (SSDE) of 26.71±23.1 and 3.81±2.02 at OH and CH, respectively (P<0.001).

CONCLUSION: Using SSDE as a marker for radiation exposure, children received 86% less radiation and had improved diagnostic accuracy when CT scans are performed at a CH.

Journal Title

Journal of pediatric surgery

Volume

49

Issue

6

First Page

1016

Last Page

1019

MeSH Keywords

Adolescent; Appendicitis; Child; Child, Preschool; Female; Hospitals, Pediatric; Humans; Male; Radiation Dosage; Retrospective Studies; Tomography, X-Ray Computed

Keywords

CAT scans; CT scans; Children's Hospitals; X-rays

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