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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Dose optimization by altering the operating potential and tube current exposure time product in dental cone beam CT: a systematic review</title><author><name sortKey="Goulston, Rebekah" sort="Goulston, Rebekah" uniqKey="Goulston R" first="Rebekah" last="Goulston">Rebekah Goulston</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Davies, Jonathan" sort="Davies, Jonathan" uniqKey="Davies J" first="Jonathan" last="Davies">Jonathan Davies</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Horner, Keith" sort="Horner, Keith" uniqKey="Horner K" first="Keith" last="Horner">Keith Horner</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Murphy, Frederick" sort="Murphy, Frederick" uniqKey="Murphy F" first="Frederick" last="Murphy">Frederick Murphy</name><affiliation><nlm:aff id="aff3"></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">26732433</idno><idno type="pmc">4846147</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4846147</idno><idno type="RBID">PMC:4846147</idno><idno type="doi">10.1259/dmfr.20150254</idno><date when="2016">2016</date><idno type="wicri:Area/Pmc/Corpus">000777</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000777</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Dose optimization by altering the operating potential and tube current exposure time product in dental cone beam CT: a systematic review</title><author><name sortKey="Goulston, Rebekah" sort="Goulston, Rebekah" uniqKey="Goulston R" first="Rebekah" last="Goulston">Rebekah Goulston</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Davies, Jonathan" sort="Davies, Jonathan" uniqKey="Davies J" first="Jonathan" last="Davies">Jonathan Davies</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Horner, Keith" sort="Horner, Keith" uniqKey="Horner K" first="Keith" last="Horner">Keith Horner</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Murphy, Frederick" sort="Murphy, Frederick" uniqKey="Murphy F" first="Frederick" last="Murphy">Frederick Murphy</name><affiliation><nlm:aff id="aff3"></nlm:aff></affiliation></author></analytic><series><title level="j">Dentomaxillofacial Radiology</title><idno type="ISSN">0250-832X</idno><idno type="eISSN">1476-542X</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Objectives:</title><p>Current guidelines highlight the need to optimize exposure parameters on CBCT equipment to levels that are as low as diagnostically acceptable. This systematic review aimed to answer the question “Can altering operating potential (kV) and tube current exposure time product (mAs) on CBCT machines reduce radiation dose to patients undergoing dental and/or maxillofacial scans without a detrimental impact on image quality/diagnostic accuracy?”</p></sec><sec><title>Methods:</title><p>Studies were selected and results reported following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) method. For each individual study, two authors (RG and JD or KH) independently extracted data using a specifically designed collection form, and an overall quality value was assigned using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) system. Any disagreements in the overall quality value of a study were resolved by discussion between the current authors.</p></sec><sec><title>Results:</title><p>Nearly 75% of studies were considered to be of low or very low methodological quality using the GRADE system, and more studies stated that their results applied only in the specific situations they had investigated. However, most studies demonstrated that patient dose reduction is possible without a clinically relevant reduction in image quality.</p></sec><sec><title>Conclusions:</title><p>For many CBCT machines, it should be possible to optimize one, or more, of the investigated exposure parameters and therefore reduce patient radiation dose, while maintaining diagnostic image quality for some diagnostic tasks. However, more rigorous research is still required.</p></sec></div></front></TEI><pmc article-type="review-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Dentomaxillofac Radiol</journal-id><journal-id journal-id-type="iso-abbrev">Dentomaxillofac Radiol</journal-id><journal-id journal-id-type="publisher-id">dmfr</journal-id><journal-title-group><journal-title>Dentomaxillofacial Radiology</journal-title></journal-title-group><issn pub-type="ppub">0250-832X</issn><issn pub-type="epub">1476-542X</issn><publisher><publisher-name>The British Institute of Radiology.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">26732433</article-id><article-id pub-id-type="pmc">4846147</article-id><article-id pub-id-type="publisher-manuscript">D15254</article-id><article-id pub-id-type="doi">10.1259/dmfr.20150254</article-id><article-categories><subj-group subj-group-type="heading"><subject>Systematic Review</subject></subj-group></article-categories><title-group><article-title>Dose optimization by altering the operating potential and tube current exposure time product in dental cone beam CT: a systematic review</article-title><alt-title alt-title-type="left-running-head">Dose optimization in dental CBCT using kV and mAs: systematic review</alt-title><alt-title alt-title-type="right-running-head">Goulston <italic>et al</italic></alt-title></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name><surname>Goulston</surname><given-names>Rebekah</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><email xlink:href="rebekah.goulston@cmft.nhs.uk">rebekah.goulston@cmft.nhs.uk</email></contrib><contrib contrib-type="author"><name><surname>Davies</surname><given-names>Jonathan</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref><email xlink:href="jonathan.davies-3@manchester.ac.uk">jonathan.davies-3@manchester.ac.uk</email></contrib><contrib contrib-type="author"><name><surname>Horner</surname><given-names>Keith</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref><email xlink:href="keith.horner@machester.ac.uk">keith.horner@machester.ac.uk</email></contrib><contrib contrib-type="author"><name><surname>Murphy</surname><given-names>Frederick</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><email xlink:href="F.J.Murphy@salford.ac.uk">F.J.Murphy@salford.ac.uk</email></contrib><aff id="aff1"><label><sup>1</sup></label><addr-line>Dental Radiology Department, University Dental Hospital of Manchester, Manchester, UK</addr-line></aff><aff id="aff2"><label><sup>2</sup></label><addr-line>University of Manchester, School of Dentistry, Manchester, UK</addr-line></aff><aff id="aff3"><label><sup>3</sup></label><addr-line>School of Health Sciences, University of Salford, Salford, UK</addr-line></aff></contrib-group><author-notes><corresp id="cor1">Correspondence to: Rebekah Goulston. E-mail: <email xlink:href="rebekah.goulston@cmft.nhs.uk">rebekah.goulston@cmft.nhs.uk</email></corresp></author-notes><pub-date pub-type="ppub"><month>3</month><year>2016</year></pub-date><pub-date pub-type="epub"><day>29</day><month>1</month><year>2016</year></pub-date><volume>45</volume><issue>3</issue><elocation-id>20150254</elocation-id><history><date date-type="received"><day>4</day><month>8</month><year>2015</year><string-date>Received on August 4, 2015</string-date></date><date date-type="rev-recd"><day>23</day><month>11</month><year>2015</year><string-date>Revised on November 23, 2015</string-date></date><date date-type="accepted"><day>5</day><month>1</month><year>2016</year><string-date>Accepted on January 5, 2016</string-date></date></history><permissions><copyright-statement>© 2016 The Authors. Published by the British Institute of Radiology</copyright-statement><copyright-year>2016</copyright-year><copyright-holder>The Authors</copyright-holder></permissions><self-uri content-type="pdf" xlink:href="dmfr.20150254.pdf"></self-uri><abstract><sec><title>Objectives:</title><p>Current guidelines highlight the need to optimize exposure parameters on CBCT equipment to levels that are as low as diagnostically acceptable. This systematic review aimed to answer the question “Can altering operating potential (kV) and tube current exposure time product (mAs) on CBCT machines reduce radiation dose to patients undergoing dental and/or maxillofacial scans without a detrimental impact on image quality/diagnostic accuracy?”</p></sec><sec><title>Methods:</title><p>Studies were selected and results reported following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) method. For each individual study, two authors (RG and JD or KH) independently extracted data using a specifically designed collection form, and an overall quality value was assigned using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) system. Any disagreements in the overall quality value of a study were resolved by discussion between the current authors.</p></sec><sec><title>Results:</title><p>Nearly 75% of studies were considered to be of low or very low methodological quality using the GRADE system, and more studies stated that their results applied only in the specific situations they had investigated. However, most studies demonstrated that patient dose reduction is possible without a clinically relevant reduction in image quality.</p></sec><sec><title>Conclusions:</title><p>For many CBCT machines, it should be possible to optimize one, or more, of the investigated exposure parameters and therefore reduce patient radiation dose, while maintaining diagnostic image quality for some diagnostic tasks. However, more rigorous research is still required.</p></sec></abstract><kwd-group><kwd>cone-beam computed tomography</kwd><x xml:space="preserve">; </x><kwd>exposure parameters</kwd><x xml:space="preserve">; </x><kwd>image quality</kwd><x xml:space="preserve">; </x><kwd>radiation protection</kwd><x xml:space="preserve">; </x><kwd>review, systematic</kwd></kwd-group><counts><fig-count count="3"></fig-count><table-count count="3"></table-count><ref-count count="47"></ref-count><page-count count="16"></page-count></counts></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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