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CT radiation dose reduction in patients with total hip arthroplasties using model-based iterative reconstruction and orthopaedic metal artefact reduction
Objective To evaluate the impact of radiation dose reduction on image quality in patients with metal-on-metal total hip arthroplasties (THAs) using model-based iterative reconstruction (MBIR) combined with orthopaedic metal artefact reduction (O-MAR). Materials and methods Patients with metal-on-met...
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| Published in: | Skeletal radiology 2019-11, Vol.48 (11), p.1775-1785 |
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| creator | Wellenberg, Ruud H. H. van Osch, Jochen A. C. Boelhouwers, Henk J. Edens, Mireille A. Streekstra, Geert J. Ettema, Harmen B. Boomsma, Martijn F. |
| description | Objective
To evaluate the impact of radiation dose reduction on image quality in patients with metal-on-metal total hip arthroplasties (THAs) using model-based iterative reconstruction (MBIR) combined with orthopaedic metal artefact reduction (O-MAR).
Materials and methods
Patients with metal-on-metal THAs received a pelvic CT with a full (FD) and a reduced radiation dose (RD) with −20%, −40%, −57%, or −80% CT radiation dose respectively, when assigned to group 1, 2, 3, or 4 respectively. FD acquisitions were reconstructed with iterative reconstruction, iDose
4
. RD acquisitions were additionally reconstructed with iterative model-based reconstruction (IMR) levels 1–3 with different levels of noise suppression. CT numbers, noise and contrast-to-noise ratios were measured in muscle, fat and bladder. Subjective image quality was evaluated on seven aspects including artefacts, osseous structures, prosthetic components and soft tissues.
Results
Seventy-six patients were randomly assigned to one of the four groups. While reducing radiation dose by 20%, 40%, 57%, or 80% in combination with IMR, CT numbers remained constant. Compared with iDose
4
, the noise decreased (
p
|
| doi_str_mv | 10.1007/s00256-019-03206-z |
| format | article |
| fullrecord | <record><control><sourceid>gale_pubme</sourceid><recordid>TN_cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_6776565</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><galeid>A731336287</galeid><sourcerecordid>A731336287</sourcerecordid><originalsourceid>FETCH-LOGICAL-c541t-58195249fdc1dbffdde094baff95cfb4c47191b846cda385dd62ec53a05e05583</originalsourceid><addsrcrecordid>eNp9ks1u1DAUhSMEokPhBVggS2zYpPgndpINUjWiBakSm7K2HPt6xlViB9spom_C2-LpDB2KEPLCsu8539W9OlX1muAzgnH7PmFMuagx6WvMKBb13ZNqRRpGa0oEeVqtMBNNTVnTnVQvUrrBmLQtF8-rE0YwEazBq-rn-hpFZZzKLnhkQgIUwSz6_uk8mksBfE7ou8tblENWI9q6GamYtzHMo0qlntCSnN-gKRgY60ElMMhliMV7u-Pp4FOOB6jyBoXiDrMC4zSaYMcsPLBK52P3l9Uzq8YErw73afX14uP1-lN99eXy8_r8qta8IbnmHek5bXprNDGDtcYA7ptBWdtzbYdGNy3pydA1QhvFOm6MoKA5U5gD5rxjp9WHPXdehgmMLtNGNco5uknFHzIoJx9XvNvKTbiVom0FF7wA3h0AMXxbIGU5uaRhHJWHsCRJKWE9Y5iKIn37l_QmLNGX8XYq2nctZuyo2qgRpPM2lL56B5XnLSOMCdq1RXX2D1U5BiZXNg7Wlf9HBro36BhSimAfZiRY7gIl94GSJVDyPlDyrpje_LmdB8vvBBUB2wtSKfkNxONI_8H-AgLf2uI</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2212987033</pqid></control><display><type>article</type><title>CT radiation dose reduction in patients with total hip arthroplasties using model-based iterative reconstruction and orthopaedic metal artefact reduction</title><source>Springer Link</source><creator>Wellenberg, Ruud H. H. ; van Osch, Jochen A. C. ; Boelhouwers, Henk J. ; Edens, Mireille A. ; Streekstra, Geert J. ; Ettema, Harmen B. ; Boomsma, Martijn F.</creator><creatorcontrib>Wellenberg, Ruud H. H. ; van Osch, Jochen A. C. ; Boelhouwers, Henk J. ; Edens, Mireille A. ; Streekstra, Geert J. ; Ettema, Harmen B. ; Boomsma, Martijn F.</creatorcontrib><description>Objective
To evaluate the impact of radiation dose reduction on image quality in patients with metal-on-metal total hip arthroplasties (THAs) using model-based iterative reconstruction (MBIR) combined with orthopaedic metal artefact reduction (O-MAR).
Materials and methods
Patients with metal-on-metal THAs received a pelvic CT with a full (FD) and a reduced radiation dose (RD) with −20%, −40%, −57%, or −80% CT radiation dose respectively, when assigned to group 1, 2, 3, or 4 respectively. FD acquisitions were reconstructed with iterative reconstruction, iDose
4
. RD acquisitions were additionally reconstructed with iterative model-based reconstruction (IMR) levels 1–3 with different levels of noise suppression. CT numbers, noise and contrast-to-noise ratios were measured in muscle, fat and bladder. Subjective image quality was evaluated on seven aspects including artefacts, osseous structures, prosthetic components and soft tissues.
Results
Seventy-six patients were randomly assigned to one of the four groups. While reducing radiation dose by 20%, 40%, 57%, or 80% in combination with IMR, CT numbers remained constant. Compared with iDose
4
, the noise decreased (
p
< 0.001) and contrast-to-noise ratios increased (
p
< 0.001) with IMR. O-MAR improved CT number accuracy in the bladder and reduced noise in the bladder, muscle and fat (
p
< 0.01). Subjective image quality was rated lower on RD IMR images than FD iDose
4
images on all seven aspects (
p
< 0.05) and was not related to the applied radiation dose reduction.
Conclusion
In RD IMR with O-MAR images, CT numbers remained constant, noise decreased and contrast-to-noise ratios between muscle and fat increased compared with FD iDose
4
with O-MAR images in patients with metal-on-metal THAs. Subjective image quality reduced, regardless of the degree of radiation dose reduction.</description><identifier>ISSN: 0364-2348</identifier><identifier>EISSN: 1432-2161</identifier><identifier>DOI: 10.1007/s00256-019-03206-z</identifier><identifier>PMID: 31016340</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Aged ; Aged, 80 and over ; Artefacts ; Arthroplasty, Replacement, Hip ; Biomedical materials ; Bladder ; Computed tomography ; CT imaging ; Female ; Hip ; Hip Joint - diagnostic imaging ; Humans ; Image contrast ; Image quality ; Image reconstruction ; Imaging ; Implants, Artificial ; Iterative methods ; Male ; Medical imaging ; Medicine ; Medicine & Public Health ; Metals ; Middle Aged ; Muscles ; Noise ; Nuclear Medicine ; Orthopedics ; Pathology ; Prostheses ; Prosthesis ; Radiation ; Radiation Dosage ; Radiographic Image Interpretation, Computer-Assisted - methods ; Radiology ; Reduction ; Reduction (metal working) ; Reproducibility of Results ; Scientific ; Scientific Article ; Soft tissues ; Surgical implants ; Tomography ; Tomography, X-Ray Computed - methods</subject><ispartof>Skeletal radiology, 2019-11, Vol.48 (11), p.1775-1785</ispartof><rights>The Author(s) 2019</rights><rights>COPYRIGHT 2019 Springer</rights><rights>Skeletal Radiology is a copyright of Springer, (2019). All Rights Reserved. © 2019. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c541t-58195249fdc1dbffdde094baff95cfb4c47191b846cda385dd62ec53a05e05583</citedby><cites>FETCH-LOGICAL-c541t-58195249fdc1dbffdde094baff95cfb4c47191b846cda385dd62ec53a05e05583</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31016340$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wellenberg, Ruud H. H.</creatorcontrib><creatorcontrib>van Osch, Jochen A. C.</creatorcontrib><creatorcontrib>Boelhouwers, Henk J.</creatorcontrib><creatorcontrib>Edens, Mireille A.</creatorcontrib><creatorcontrib>Streekstra, Geert J.</creatorcontrib><creatorcontrib>Ettema, Harmen B.</creatorcontrib><creatorcontrib>Boomsma, Martijn F.</creatorcontrib><title>CT radiation dose reduction in patients with total hip arthroplasties using model-based iterative reconstruction and orthopaedic metal artefact reduction</title><title>Skeletal radiology</title><addtitle>Skeletal Radiol</addtitle><addtitle>Skeletal Radiol</addtitle><description>Objective
To evaluate the impact of radiation dose reduction on image quality in patients with metal-on-metal total hip arthroplasties (THAs) using model-based iterative reconstruction (MBIR) combined with orthopaedic metal artefact reduction (O-MAR).
Materials and methods
Patients with metal-on-metal THAs received a pelvic CT with a full (FD) and a reduced radiation dose (RD) with −20%, −40%, −57%, or −80% CT radiation dose respectively, when assigned to group 1, 2, 3, or 4 respectively. FD acquisitions were reconstructed with iterative reconstruction, iDose
4
. RD acquisitions were additionally reconstructed with iterative model-based reconstruction (IMR) levels 1–3 with different levels of noise suppression. CT numbers, noise and contrast-to-noise ratios were measured in muscle, fat and bladder. Subjective image quality was evaluated on seven aspects including artefacts, osseous structures, prosthetic components and soft tissues.
Results
Seventy-six patients were randomly assigned to one of the four groups. While reducing radiation dose by 20%, 40%, 57%, or 80% in combination with IMR, CT numbers remained constant. Compared with iDose
4
, the noise decreased (
p
< 0.001) and contrast-to-noise ratios increased (
p
< 0.001) with IMR. O-MAR improved CT number accuracy in the bladder and reduced noise in the bladder, muscle and fat (
p
< 0.01). Subjective image quality was rated lower on RD IMR images than FD iDose
4
images on all seven aspects (
p
< 0.05) and was not related to the applied radiation dose reduction.
Conclusion
In RD IMR with O-MAR images, CT numbers remained constant, noise decreased and contrast-to-noise ratios between muscle and fat increased compared with FD iDose
4
with O-MAR images in patients with metal-on-metal THAs. Subjective image quality reduced, regardless of the degree of radiation dose reduction.</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Artefacts</subject><subject>Arthroplasty, Replacement, Hip</subject><subject>Biomedical materials</subject><subject>Bladder</subject><subject>Computed tomography</subject><subject>CT imaging</subject><subject>Female</subject><subject>Hip</subject><subject>Hip Joint - diagnostic imaging</subject><subject>Humans</subject><subject>Image contrast</subject><subject>Image quality</subject><subject>Image reconstruction</subject><subject>Imaging</subject><subject>Implants, Artificial</subject><subject>Iterative methods</subject><subject>Male</subject><subject>Medical imaging</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Metals</subject><subject>Middle Aged</subject><subject>Muscles</subject><subject>Noise</subject><subject>Nuclear Medicine</subject><subject>Orthopedics</subject><subject>Pathology</subject><subject>Prostheses</subject><subject>Prosthesis</subject><subject>Radiation</subject><subject>Radiation Dosage</subject><subject>Radiographic Image Interpretation, Computer-Assisted - methods</subject><subject>Radiology</subject><subject>Reduction</subject><subject>Reduction (metal working)</subject><subject>Reproducibility of Results</subject><subject>Scientific</subject><subject>Scientific Article</subject><subject>Soft tissues</subject><subject>Surgical implants</subject><subject>Tomography</subject><subject>Tomography, X-Ray Computed - methods</subject><issn>0364-2348</issn><issn>1432-2161</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9ks1u1DAUhSMEokPhBVggS2zYpPgndpINUjWiBakSm7K2HPt6xlViB9spom_C2-LpDB2KEPLCsu8539W9OlX1muAzgnH7PmFMuagx6WvMKBb13ZNqRRpGa0oEeVqtMBNNTVnTnVQvUrrBmLQtF8-rE0YwEazBq-rn-hpFZZzKLnhkQgIUwSz6_uk8mksBfE7ou8tblENWI9q6GamYtzHMo0qlntCSnN-gKRgY60ElMMhliMV7u-Pp4FOOB6jyBoXiDrMC4zSaYMcsPLBK52P3l9Uzq8YErw73afX14uP1-lN99eXy8_r8qta8IbnmHek5bXprNDGDtcYA7ptBWdtzbYdGNy3pydA1QhvFOm6MoKA5U5gD5rxjp9WHPXdehgmMLtNGNco5uknFHzIoJx9XvNvKTbiVom0FF7wA3h0AMXxbIGU5uaRhHJWHsCRJKWE9Y5iKIn37l_QmLNGX8XYq2nctZuyo2qgRpPM2lL56B5XnLSOMCdq1RXX2D1U5BiZXNg7Wlf9HBro36BhSimAfZiRY7gIl94GSJVDyPlDyrpje_LmdB8vvBBUB2wtSKfkNxONI_8H-AgLf2uI</recordid><startdate>20191101</startdate><enddate>20191101</enddate><creator>Wellenberg, Ruud H. H.</creator><creator>van Osch, Jochen A. C.</creator><creator>Boelhouwers, Henk J.</creator><creator>Edens, Mireille A.</creator><creator>Streekstra, Geert J.</creator><creator>Ettema, Harmen B.</creator><creator>Boomsma, Martijn F.</creator><general>Springer Berlin Heidelberg</general><general>Springer</general><general>Springer Nature B.V</general><scope>C6C</scope><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>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</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>HCIFZ</scope><scope>K9.</scope><scope>KB0</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</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>7X8</scope><scope>5PM</scope></search><sort><creationdate>20191101</creationdate><title>CT radiation dose reduction in patients with total hip arthroplasties using model-based iterative reconstruction and orthopaedic metal artefact reduction</title><author>Wellenberg, Ruud H. H. ; van Osch, Jochen A. C. ; Boelhouwers, Henk J. ; Edens, Mireille A. ; Streekstra, Geert J. ; Ettema, Harmen B. ; Boomsma, Martijn F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c541t-58195249fdc1dbffdde094baff95cfb4c47191b846cda385dd62ec53a05e05583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Artefacts</topic><topic>Arthroplasty, Replacement, Hip</topic><topic>Biomedical materials</topic><topic>Bladder</topic><topic>Computed tomography</topic><topic>CT imaging</topic><topic>Female</topic><topic>Hip</topic><topic>Hip Joint - diagnostic imaging</topic><topic>Humans</topic><topic>Image contrast</topic><topic>Image quality</topic><topic>Image reconstruction</topic><topic>Imaging</topic><topic>Implants, Artificial</topic><topic>Iterative methods</topic><topic>Male</topic><topic>Medical imaging</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Metals</topic><topic>Middle Aged</topic><topic>Muscles</topic><topic>Noise</topic><topic>Nuclear Medicine</topic><topic>Orthopedics</topic><topic>Pathology</topic><topic>Prostheses</topic><topic>Prosthesis</topic><topic>Radiation</topic><topic>Radiation Dosage</topic><topic>Radiographic Image Interpretation, Computer-Assisted - methods</topic><topic>Radiology</topic><topic>Reduction</topic><topic>Reduction (metal working)</topic><topic>Reproducibility of Results</topic><topic>Scientific</topic><topic>Scientific Article</topic><topic>Soft tissues</topic><topic>Surgical implants</topic><topic>Tomography</topic><topic>Tomography, X-Ray Computed - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wellenberg, Ruud H. H.</creatorcontrib><creatorcontrib>van Osch, Jochen A. C.</creatorcontrib><creatorcontrib>Boelhouwers, Henk J.</creatorcontrib><creatorcontrib>Edens, Mireille A.</creatorcontrib><creatorcontrib>Streekstra, Geert J.</creatorcontrib><creatorcontrib>Ettema, Harmen B.</creatorcontrib><creatorcontrib>Boomsma, Martijn F.</creatorcontrib><collection>Springer Nature OA Free Journals</collection><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>ProQuest Health and Medical</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</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)</collection><collection>ProQuest Central</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>ProQuest 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>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>ProQuest Biological Science Journals</collection><collection>Nursing & Allied Health Premium</collection><collection>ProQuest advanced technologies & aerospace journals</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>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Skeletal radiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wellenberg, Ruud H. H.</au><au>van Osch, Jochen A. C.</au><au>Boelhouwers, Henk J.</au><au>Edens, Mireille A.</au><au>Streekstra, Geert J.</au><au>Ettema, Harmen B.</au><au>Boomsma, Martijn F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>CT radiation dose reduction in patients with total hip arthroplasties using model-based iterative reconstruction and orthopaedic metal artefact reduction</atitle><jtitle>Skeletal radiology</jtitle><stitle>Skeletal Radiol</stitle><addtitle>Skeletal Radiol</addtitle><date>2019-11-01</date><risdate>2019</risdate><volume>48</volume><issue>11</issue><spage>1775</spage><epage>1785</epage><pages>1775-1785</pages><issn>0364-2348</issn><eissn>1432-2161</eissn><abstract>Objective
To evaluate the impact of radiation dose reduction on image quality in patients with metal-on-metal total hip arthroplasties (THAs) using model-based iterative reconstruction (MBIR) combined with orthopaedic metal artefact reduction (O-MAR).
Materials and methods
Patients with metal-on-metal THAs received a pelvic CT with a full (FD) and a reduced radiation dose (RD) with −20%, −40%, −57%, or −80% CT radiation dose respectively, when assigned to group 1, 2, 3, or 4 respectively. FD acquisitions were reconstructed with iterative reconstruction, iDose
4
. RD acquisitions were additionally reconstructed with iterative model-based reconstruction (IMR) levels 1–3 with different levels of noise suppression. CT numbers, noise and contrast-to-noise ratios were measured in muscle, fat and bladder. Subjective image quality was evaluated on seven aspects including artefacts, osseous structures, prosthetic components and soft tissues.
Results
Seventy-six patients were randomly assigned to one of the four groups. While reducing radiation dose by 20%, 40%, 57%, or 80% in combination with IMR, CT numbers remained constant. Compared with iDose
4
, the noise decreased (
p
< 0.001) and contrast-to-noise ratios increased (
p
< 0.001) with IMR. O-MAR improved CT number accuracy in the bladder and reduced noise in the bladder, muscle and fat (
p
< 0.01). Subjective image quality was rated lower on RD IMR images than FD iDose
4
images on all seven aspects (
p
< 0.05) and was not related to the applied radiation dose reduction.
Conclusion
In RD IMR with O-MAR images, CT numbers remained constant, noise decreased and contrast-to-noise ratios between muscle and fat increased compared with FD iDose
4
with O-MAR images in patients with metal-on-metal THAs. Subjective image quality reduced, regardless of the degree of radiation dose reduction.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>31016340</pmid><doi>10.1007/s00256-019-03206-z</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| source | Springer Link |
| subjects | Aged Aged, 80 and over Artefacts Arthroplasty, Replacement, Hip Biomedical materials Bladder Computed tomography CT imaging Female Hip Hip Joint - diagnostic imaging Humans Image contrast Image quality Image reconstruction Imaging Implants, Artificial Iterative methods Male Medical imaging Medicine Medicine & Public Health Metals Middle Aged Muscles Noise Nuclear Medicine Orthopedics Pathology Prostheses Prosthesis Radiation Radiation Dosage Radiographic Image Interpretation, Computer-Assisted - methods Radiology Reduction Reduction (metal working) Reproducibility of Results Scientific Scientific Article Soft tissues Surgical implants Tomography Tomography, X-Ray Computed - methods |
| title | CT radiation dose reduction in patients with total hip arthroplasties using model-based iterative reconstruction and orthopaedic metal artefact reduction |
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