{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T19:05:01Z","timestamp":1789585501993,"version":"build-2803163510"},"reference-count":35,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"13","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["JAHA"],"published-print":{"date-parts":[[2020,7,7]]},"abstract":"\n Background<\/jats:title>\n \n Dual axis rotational coronary angiography (\n DARCA<\/jats:styled-content>\n ) reduces radiation exposure during coronary angiography on older x\u2010ray systems. The purpose of the current study is to quantify patient and staff radiation exposure using\n DARCA<\/jats:styled-content>\n on a modality already equipped with dose\u2010reducing technology. Additionally, we assessed applicability of 1 dose area product to effective dose conversion factor for both\n DARCA<\/jats:styled-content>\n and conventional coronary angiography (\n CCA<\/jats:styled-content>\n ) procedures.\n <\/jats:p>\n <\/jats:sec>\n \n Methods and Results<\/jats:title>\n \n Twenty patients were examined using\n DARCA<\/jats:styled-content>\n and were compared with 20 age\u2010, sex\u2010, and body mass index\u2013matched patients selected from a prior study using\n CCA<\/jats:styled-content>\n on the same x\u2010ray modality. All irradiation events are simulated using\n PCXMC<\/jats:styled-content>\n (\n STUK<\/jats:styled-content>\n , Finland) to determine organ and effective doses. Moreover, for\n DARCA<\/jats:styled-content>\n each frame is simulated. Staff dose is measured using active personal dosimeters (DoseAware, Philips Healthcare, The Netherlands). With\n DARCA<\/jats:styled-content>\n , median cumulative dose area product is reduced by 57% (ie, 7.41 versus 17.19\u00a0Gy\u00b7cm\n 2<\/jats:sup>\n ). Effective dose conversion factors of\n CCA<\/jats:styled-content>\n and\n DARCA<\/jats:styled-content>\n are slightly different, yet this difference is not statistically significant. The occupational dose at physician's chest, leg, and collar level are reduced by 60%, 56%, and 16%, respectively, of which the first 2 reached statistical significance. Median effective dose is reduced from 4.75\u00a0mSv in\n CCA<\/jats:styled-content>\n to 2.22\u00a0mSv in\n DARCA<\/jats:styled-content>\n procedures, where the latter is further reduced to 1.79\u00a0mSv when excluding ventriculography.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusions<\/jats:title>\n \n During invasive coronary angiography,\n DARCA<\/jats:styled-content>\n reduces radiation exposure even further toward low\u2010dose values on a system already equipped with advanced image processing and noise reduction algorithms. For both\n DARCA<\/jats:styled-content>\n and\n CCA<\/jats:styled-content>\n procedures, using 1 effective dose conversion factor of 0.30\u00a0mSv\u00b7Gy\n \u22121<\/jats:sup>\n \u00b7cm\n \u22122<\/jats:sup>\n is feasible.\n <\/jats:p>\n <\/jats:sec>","DOI":"10.1161\/jaha.119.014683","type":"journal-article","created":{"date-parts":[[2020,7,1]],"date-time":"2020-07-01T09:02:07Z","timestamp":1593594127000},"update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":9,"title":["Combining Optimized Image Processing With Dual Axis Rotational Angiography: Toward Low\u2010Dose Invasive Coronary Angiography"],"prefix":"10.1161","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0592-5873","authenticated-orcid":false,"given":"Dimitri","family":"Buytaert","sequence":"first","affiliation":[{"name":"Department of Human Structure and Repair Ghent University Ghent Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Benny","family":"Drieghe","sequence":"additional","affiliation":[{"name":"Heart Center Ghent University Hospital Ghent Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fr\u00e9d\u00e9ric","family":"Van Heuverswyn","sequence":"additional","affiliation":[{"name":"Heart Center Ghent University Hospital Ghent Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"De Pooter","sequence":"additional","affiliation":[{"name":"Heart Center Ghent University Hospital Ghent Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Gheeraert","sequence":"additional","affiliation":[{"name":"Heart Center Ghent University Hospital Ghent Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dani\u00ebl","family":"De Wolf","sequence":"additional","affiliation":[{"name":"Department of Paediatric Cardiology Ghent University Hospital Ghent Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yves","family":"Taeymans","sequence":"additional","affiliation":[{"name":"Heart Center Ghent University Hospital Ghent Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Klaus","family":"Bacher","sequence":"additional","affiliation":[{"name":"Department of Human Structure and Repair Ghent University Ghent Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"e_1_3_1_2_2","unstructured":"Eurostat . 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