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Transition from screen-film to computed radiography in a paediatric hospital: the missing link towards optimisation

2011Journal article Open access
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dc.contributor.authorPaulo, Graciano
dc.contributor.authorSantos, Joana
dc.contributor.authorMoreira, Ana
dc.contributor.authorFigueiredo, Filipa
dc.date.accessioned2017-04-20T11:54:26Z
dc.date.available2017-04-20T11:54:26Z
dc.date.issued2011
dc.description.abstractIn paediatrics, the risks associated with ionising radiation should be a major concern, due to children's higher susceptibility to radiation effects. Measure entrance skin dose (ESD) in chest and pelvis X-ray projections and compare the results with the 'European guidelines on quality criteria for diagnostic radiographer images in paediatrics' in order to optimise radiological practice. ESD values were obtained using an ionisation chamber Diamentor M4 KDK (PTW) in 429 children, who underwent chest X-ray or pelvis X-ray in a Computed Radiography system. In the first phase of the study, data were collected according to protocols used in the department; in a second phase different tube voltage values were used according to patient weight. A third phase was carried out, only for chest X-ray, using the exposure parameters of phase 2, plus activating lateral ionisation chamber. Three paediatric radiologists blindly assessed image quality of chest X-ray, using a validated assessment available in the 'European guidelines on quality criteria for diagnostic radiographer images in paediatrics'. Considering all the patients submitted to chest X-ray, the average ESD was 0.22, 0.16 and 0.08 mGy, for phases 1, 2 and 3, respectively. For pelvis X-ray, the average ESD decreased from 1.18 mGy in phase 1 to 0.78 mGy in phase 2. Dose optimisation was achieved. ESD was reduced 63.6 and 33.9 % in chest and pelvis X-ray, respectively.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1093/rpd/ncr355pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.26/18221
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherOxford University Presspt_PT
dc.subjectAdolescentpt_PT
dc.subjectChildpt_PT
dc.subjectPreschool Childpt_PT
dc.subjectHumanspt_PT
dc.subjectInfantpt_PT
dc.subjectNewborn Infantpt_PT
dc.subjectPelvispt_PT
dc.subjectPractice Guidelines as Topicpt_PT
dc.subjectRadiation Dosagept_PT
dc.subjectRadiographic Image Enhancementpt_PT
dc.subjectThoracic Radiographypt_PT
dc.subjectSkinpt_PT
dc.subjectX-Ray ComputedTomographypt_PT
dc.subjectPediatric Hospitalspt_PT
dc.subjectX-Ray Intensifying Screenspt_PT
dc.titleTransition from screen-film to computed radiography in a paediatric hospital: the missing link towards optimisationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage167pt_PT
oaire.citation.issue1-2pt_PT
oaire.citation.startPage164pt_PT
oaire.citation.titleRadiation Protection Dosimetrypt_PT
oaire.citation.volume147pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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