Nationwide radiation dose survey of computed tomography for fetal skeletal dysplasias
Background Recently, computed tomography (CT) has been used to diagnose fetal skeletal dysplasia. However, no surveys have been conducted to determine the radiation exposure dose and the diagnostic reference level (DRL). Objective To collect CT dose index volume (CTDIvol) and dose length product (DL...
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| Veröffentlicht in: | Pediatric radiology 2014-08, Vol.44 (8), p.971-979 |
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| creator | Miyazaki, Osamu Sawai, Hideaki Murotsuki, Jun Nishimura, Gen Horiuchi, Tetsuya |
| description | Background
Recently, computed tomography (CT) has been used to diagnose fetal skeletal dysplasia. However, no surveys have been conducted to determine the radiation exposure dose and the diagnostic reference level (DRL).
Objective
To collect CT dose index volume (CTDIvol) and dose length product (DLP) data from domestic hospitals implementing fetal skeletal 3-D CT and to establish DRLs for Japan.
Materials and methods
Scan data of 125 cases of 20 protocols from 16 hospitals were analyzed. The minimum, first-quartile, median, third-quartile and maximum values of CTDIvol and DLP were determined. The time-dependent change in radiation dose setting in hospitals with three or more cases with scans was also examined.
Results
The minimum, first-quartile, median, third-quartile and maximum CTDIvol values were 2.1, 3.7, 7.7, 11.3 and 23.1 mGy, respectively, and these values for DLP were 69.0, 122.3, 276.8, 382.6 and 1025.6 mGy·cm, respectively. Six of the 12 institutions reduced the dose setting during the implementation period.
Conclusions
The DRLs of CTDIvol and DLP for fetal CT were 11.3 mGy and 382.6 mGy·cm, respectively. Institutions implementing fetal CT should use these established DRLs as the standard and make an effort to reduce radiation exposure by voluntarily decreasing the dose. |
| doi_str_mv | 10.1007/s00247-014-2916-1 |
| format | Article |
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Recently, computed tomography (CT) has been used to diagnose fetal skeletal dysplasia. However, no surveys have been conducted to determine the radiation exposure dose and the diagnostic reference level (DRL).
Objective
To collect CT dose index volume (CTDIvol) and dose length product (DLP) data from domestic hospitals implementing fetal skeletal 3-D CT and to establish DRLs for Japan.
Materials and methods
Scan data of 125 cases of 20 protocols from 16 hospitals were analyzed. The minimum, first-quartile, median, third-quartile and maximum values of CTDIvol and DLP were determined. The time-dependent change in radiation dose setting in hospitals with three or more cases with scans was also examined.
Results
The minimum, first-quartile, median, third-quartile and maximum CTDIvol values were 2.1, 3.7, 7.7, 11.3 and 23.1 mGy, respectively, and these values for DLP were 69.0, 122.3, 276.8, 382.6 and 1025.6 mGy·cm, respectively. Six of the 12 institutions reduced the dose setting during the implementation period.
Conclusions
The DRLs of CTDIvol and DLP for fetal CT were 11.3 mGy and 382.6 mGy·cm, respectively. Institutions implementing fetal CT should use these established DRLs as the standard and make an effort to reduce radiation exposure by voluntarily decreasing the dose.</description><identifier>ISSN: 0301-0449</identifier><identifier>EISSN: 1432-1998</identifier><identifier>DOI: 10.1007/s00247-014-2916-1</identifier><identifier>PMID: 24737001</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Bone Diseases, Developmental - diagnostic imaging ; Data Collection - methods ; Data Collection - statistics & numerical data ; Female ; Humans ; Imaging ; Imaging, Three-Dimensional - methods ; Japan ; Medicine ; Medicine & Public Health ; Neuroradiology ; Nuclear Medicine ; Oncology ; Original Article ; Pediatrics ; Pregnancy ; Prenatal Diagnosis - methods ; Radiation Dosage ; Radiology ; Tomography, X-Ray Computed - methods ; Ultrasound</subject><ispartof>Pediatric radiology, 2014-08, Vol.44 (8), p.971-979</ispartof><rights>Springer-Verlag Berlin Heidelberg 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c541t-e97036dc105c0f09f09a33384746419e0ab70c5f960f9a18780f9441e01ee6d13</citedby><cites>FETCH-LOGICAL-c541t-e97036dc105c0f09f09a33384746419e0ab70c5f960f9a18780f9441e01ee6d13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00247-014-2916-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00247-014-2916-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27906,27907,41470,42539,51301</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24737001$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Miyazaki, Osamu</creatorcontrib><creatorcontrib>Sawai, Hideaki</creatorcontrib><creatorcontrib>Murotsuki, Jun</creatorcontrib><creatorcontrib>Nishimura, Gen</creatorcontrib><creatorcontrib>Horiuchi, Tetsuya</creatorcontrib><title>Nationwide radiation dose survey of computed tomography for fetal skeletal dysplasias</title><title>Pediatric radiology</title><addtitle>Pediatr Radiol</addtitle><addtitle>Pediatr Radiol</addtitle><description>Background
Recently, computed tomography (CT) has been used to diagnose fetal skeletal dysplasia. However, no surveys have been conducted to determine the radiation exposure dose and the diagnostic reference level (DRL).
Objective
To collect CT dose index volume (CTDIvol) and dose length product (DLP) data from domestic hospitals implementing fetal skeletal 3-D CT and to establish DRLs for Japan.
Materials and methods
Scan data of 125 cases of 20 protocols from 16 hospitals were analyzed. The minimum, first-quartile, median, third-quartile and maximum values of CTDIvol and DLP were determined. The time-dependent change in radiation dose setting in hospitals with three or more cases with scans was also examined.
Results
The minimum, first-quartile, median, third-quartile and maximum CTDIvol values were 2.1, 3.7, 7.7, 11.3 and 23.1 mGy, respectively, and these values for DLP were 69.0, 122.3, 276.8, 382.6 and 1025.6 mGy·cm, respectively. Six of the 12 institutions reduced the dose setting during the implementation period.
Conclusions
The DRLs of CTDIvol and DLP for fetal CT were 11.3 mGy and 382.6 mGy·cm, respectively. Institutions implementing fetal CT should use these established DRLs as the standard and make an effort to reduce radiation exposure by voluntarily decreasing the dose.</description><subject>Bone Diseases, Developmental - diagnostic imaging</subject><subject>Data Collection - methods</subject><subject>Data Collection - statistics & numerical data</subject><subject>Female</subject><subject>Humans</subject><subject>Imaging</subject><subject>Imaging, Three-Dimensional - methods</subject><subject>Japan</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Neuroradiology</subject><subject>Nuclear Medicine</subject><subject>Oncology</subject><subject>Original Article</subject><subject>Pediatrics</subject><subject>Pregnancy</subject><subject>Prenatal Diagnosis - methods</subject><subject>Radiation Dosage</subject><subject>Radiology</subject><subject>Tomography, X-Ray Computed - methods</subject><subject>Ultrasound</subject><issn>0301-0449</issn><issn>1432-1998</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kE1LxDAQhoMo7vrxA7xIwIuX6swmbZqjLH7Bohc9h9hOtWu7qUmr7L83u6sighCYhDzzzvAwdoRwhgDqPABMpEoAZTLRmCW4xcYoxSRBrfNtNgYBmICUesT2QpgDgEhR7LJR7BIKAMfs8c72tVt81CVxb8t6_eKlC8TD4N9pyV3FC9d2Q08l713rnr3tXpa8cp5X1NuGh1dq1pdyGbrGhtqGA7ZT2SbQ4VfdZ49Xlw_Tm2R2f307vZglRSqxT0grEFlZIKQFVKDjsUKIXCqZSdQE9klBkVY6g0pbzFUeq5RIgERZiWKfnW5yO-_eBgq9aetQUNPYBbkhGEwzQFDRRkRP_qBzN_hF3C5SMscsTlSRwg1VeBeCp8p0vm6tXxoEs3JuNs5NdG5Wzs1qieOv5OGppfKn41tyBCYbIMSvxTP5X6P_Tf0EDOKLSg</recordid><startdate>20140801</startdate><enddate>20140801</enddate><creator>Miyazaki, Osamu</creator><creator>Sawai, Hideaki</creator><creator>Murotsuki, Jun</creator><creator>Nishimura, Gen</creator><creator>Horiuchi, Tetsuya</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QP</scope><scope>7RV</scope><scope>7TK</scope><scope>7U9</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9-</scope><scope>K9.</scope><scope>KB0</scope><scope>LK8</scope><scope>M0R</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20140801</creationdate><title>Nationwide radiation dose survey of computed tomography for fetal skeletal dysplasias</title><author>Miyazaki, Osamu ; Sawai, Hideaki ; Murotsuki, Jun ; Nishimura, Gen ; Horiuchi, Tetsuya</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c541t-e97036dc105c0f09f09a33384746419e0ab70c5f960f9a18780f9441e01ee6d13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Bone Diseases, Developmental - diagnostic imaging</topic><topic>Data Collection - methods</topic><topic>Data Collection - statistics & numerical data</topic><topic>Female</topic><topic>Humans</topic><topic>Imaging</topic><topic>Imaging, Three-Dimensional - methods</topic><topic>Japan</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Neuroradiology</topic><topic>Nuclear Medicine</topic><topic>Oncology</topic><topic>Original Article</topic><topic>Pediatrics</topic><topic>Pregnancy</topic><topic>Prenatal Diagnosis - methods</topic><topic>Radiation Dosage</topic><topic>Radiology</topic><topic>Tomography, X-Ray Computed - methods</topic><topic>Ultrasound</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Miyazaki, Osamu</creatorcontrib><creatorcontrib>Sawai, Hideaki</creatorcontrib><creatorcontrib>Murotsuki, Jun</creatorcontrib><creatorcontrib>Nishimura, Gen</creatorcontrib><creatorcontrib>Horiuchi, Tetsuya</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Nursing & Allied Health Database</collection><collection>Neurosciences Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>Consumer Health Database (Alumni Edition)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>ProQuest Biological Science Collection</collection><collection>Consumer Health Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Nursing & Allied Health Premium</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Pediatric radiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Miyazaki, Osamu</au><au>Sawai, Hideaki</au><au>Murotsuki, Jun</au><au>Nishimura, Gen</au><au>Horiuchi, Tetsuya</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nationwide radiation dose survey of computed tomography for fetal skeletal dysplasias</atitle><jtitle>Pediatric radiology</jtitle><stitle>Pediatr Radiol</stitle><addtitle>Pediatr Radiol</addtitle><date>2014-08-01</date><risdate>2014</risdate><volume>44</volume><issue>8</issue><spage>971</spage><epage>979</epage><pages>971-979</pages><issn>0301-0449</issn><eissn>1432-1998</eissn><abstract>Background
Recently, computed tomography (CT) has been used to diagnose fetal skeletal dysplasia. However, no surveys have been conducted to determine the radiation exposure dose and the diagnostic reference level (DRL).
Objective
To collect CT dose index volume (CTDIvol) and dose length product (DLP) data from domestic hospitals implementing fetal skeletal 3-D CT and to establish DRLs for Japan.
Materials and methods
Scan data of 125 cases of 20 protocols from 16 hospitals were analyzed. The minimum, first-quartile, median, third-quartile and maximum values of CTDIvol and DLP were determined. The time-dependent change in radiation dose setting in hospitals with three or more cases with scans was also examined.
Results
The minimum, first-quartile, median, third-quartile and maximum CTDIvol values were 2.1, 3.7, 7.7, 11.3 and 23.1 mGy, respectively, and these values for DLP were 69.0, 122.3, 276.8, 382.6 and 1025.6 mGy·cm, respectively. Six of the 12 institutions reduced the dose setting during the implementation period.
Conclusions
The DRLs of CTDIvol and DLP for fetal CT were 11.3 mGy and 382.6 mGy·cm, respectively. Institutions implementing fetal CT should use these established DRLs as the standard and make an effort to reduce radiation exposure by voluntarily decreasing the dose.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>24737001</pmid><doi>10.1007/s00247-014-2916-1</doi><tpages>9</tpages></addata></record> |
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| identifier | ISSN: 0301-0449 |
| ispartof | Pediatric radiology, 2014-08, Vol.44 (8), p.971-979 |
| issn | 0301-0449 1432-1998 |
| language | eng |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Bone Diseases, Developmental - diagnostic imaging Data Collection - methods Data Collection - statistics & numerical data Female Humans Imaging Imaging, Three-Dimensional - methods Japan Medicine Medicine & Public Health Neuroradiology Nuclear Medicine Oncology Original Article Pediatrics Pregnancy Prenatal Diagnosis - methods Radiation Dosage Radiology Tomography, X-Ray Computed - methods Ultrasound |
| title | Nationwide radiation dose survey of computed tomography for fetal skeletal dysplasias |
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