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Sökning: WFRF:(Sund C) > (2000-2004) > The influence of di...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00006069naa a2200625 4500
001oai:gup.ub.gu.se/235260
003SwePub
008240528s2002 | |||||||||||000 ||eng|
009oai:lup.lub.lu.se:da7033d4-d555-4cc4-99f4-86ce78d44150
0247 a https://gup.ub.gu.se/publication/2352602 URI
0247 a https://doi.org/10.1259/bjr.75.889.7500382 DOI
0247 a https://lup.lub.lu.se/record/3439812 URI
040 a (SwePub)gud (SwePub)lu
041 a eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Lanhede, B4 aut
2451 0a The influence of different technique factors on image quality of chest radiographs as evaluated by modified CEC image quality criteria.
264 1b British Institute of Radiology,c 2002
520 a The Commission of the European Communities (CEC) research project "Predictivity and optimisation in medical radiation protection" addressed fundamental operational limitations in existing radiation protection mechanisms. The first part of the project aimed at investigating (1) whether the CEC image quality criteria could be used for optimization of a radiographic process and (2) whether significant differences in image quality based on these criteria could be detected in a controlled project with well known physical and technical parameters. In the present study, chest radiographs on film were produced using healthy volunteers. Four physical/technical parameters were varied in a carefully controlled manner: tube voltage (102 kVp and 141 kVp), nominal speed class (160 and 320), maximum film density (1.3 and 1.8) and method of scatter reduction (grid (R=12) and air gap). The air kerma at the entrance surface was measured for all patients and the risk-related dose H(Golem), based on calculated organ-equivalent dose conversion coefficients and the measured entrance air kerma values, was calculated. Image quality was evaluated by a group of European expert radiologists using a modified version of the CEC quality criteria. For the two density levels, density level 1.8 was significantly better than 1.3 but at the cost of a higher patient radiation exposure. The correlation between the number of fulfilled quality criteria and H(Golem) was generally poor. An air gap technique resulted in lower doses than scatter reduction with a grid but provided comparable image quality. The criteria can be used to highlight optimum radiographic technique in terms of image quality and patient dose, although not unambiguously. A recommendation for good radiographic technique based on a compromise between image quality and risk-related radiation dose to the patient is to use 141 kVp, an air gap, a screen-film system with speed 320 and an optical density of 1.8.
650 7a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Radiologi och bildbehandling0 (SwePub)302082 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Radiology, Nuclear Medicine and Medical Imaging0 (SwePub)302082 hsv//eng
653 a Adult
653 a Female
653 a Humans
653 a Male
653 a Middle Aged
653 a Quality Control
653 a Radiation Dosage
653 a Radiation Protection
653 a Radiography
653 a Thoracic
653 a methods
653 a standards
7001 a Båth, Magnus,d 1974u Gothenburg University,Göteborgs universitet,Institutionen för särskilda specialiteter, Avdelningen för radiofysik,Institute of Selected Clinical Sciences, Department of Radiation Physics4 aut0 (Swepub:gu)xbatma
7001 a Kheddache, Susanne,d 1949u Gothenburg University,Göteborgs universitet,Institutionen för särskilda specialiteter, Avdelningen för radiologi,Institute of Selected Clinical Sciences, Department of Radiology4 aut0 (Swepub:gu)xkhesu
7001 a Sund, Patriku Gothenburg University,Göteborgs universitet,Institutionen för särskilda specialiteter, Avdelningen för radiofysik,Institute of Selected Clinical Sciences, Department of Radiation Physics4 aut0 (Swepub:gu)xsundi
7001 a Björneld, Lena,d 1950u Gothenburg University,Göteborgs universitet,Institutionen för särskilda specialiteter, Avdelningen för radiologi,Institute of Selected Clinical Sciences, Department of Radiology4 aut0 (Swepub:gu)xbjlen
7001 a Widell, M4 aut
7001 a Almen, Au Lund University,Lunds universitet,Medicinsk strålningsfysik, Malmö,Forskargrupper vid Lunds universitet,Medical Radiation Physics, Malmö,Lund University Research Groups4 aut0 (Swepub:lu)an1716al
7001 a Besjakov, Jacku Skåne University Hospital4 aut0 (Swepub:lu)ront-jbe
7001 a Mattsson, Sörenu Lund University,Lunds universitet,Medicinsk strålningsfysik, Malmö,Forskargrupper vid Lunds universitet,Medical Radiation Physics, Malmö,Lund University Research Groups4 aut0 (Swepub:lu)rfa-sma
7001 a Tingberg, Andersu Lund University,Lunds universitet,Medicinsk strålningsfysik, Malmö,Forskargrupper vid Lunds universitet,Medical Radiation Physics, Malmö,Lund University Research Groups4 aut0 (Swepub:lu)rfa-ati
7001 a Herrmann, C4 aut
7001 a Panzer, W4 aut
7001 a Zankl, M4 aut
7001 a Månsson, Lars Gunnar,d 1951u Gothenburg University,Göteborgs universitet,Institutionen för särskilda specialiteter, Avdelningen för radiofysik,Institute of Selected Clinical Sciences, Department of Radiation Physics4 aut0 (Swepub:gu)xmanla
7102 a Göteborgs universitetb Institutionen för särskilda specialiteter, Avdelningen för radiofysik4 org
7730 t The British journal of radiologyd : British Institute of Radiologyg 75:889, s. 38-49q 75:889<38-49x 0007-1285x 1748-880X
8564 u http://bjr.birjournals.org/cgi/reprint/75/889/38x freey FULLTEXT
8564 u http://dx.doi.org/10.1259/bjr.75.889.750038y FULLTEXT
8564 8u https://gup.ub.gu.se/publication/235260
8564 8u https://doi.org/10.1259/bjr.75.889.750038
8564 8u https://lup.lub.lu.se/record/343981

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