{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T23:08:13Z","timestamp":1790032093214,"version":"4.0.1"},"reference-count":22,"publisher":"Georg Thieme Verlag KG","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rofo"],"abstract":"<jats:title>Zusammenfassung<\/jats:title>\n                  <jats:p>Evaluierung der Strahlenexposition bei peripheren, abdominellen und zerebralen digitalen Subtraktionsangiographien (DSA) im klinischen Vergleich \u00fcber drei aufeinanderfolgende Ger\u00e4tegenerationen.<\/jats:p>\n                  <jats:p>In dieser retrospektiven monozentrischen Studie wurden Angiographien von 450 Patienten an drei Angiographie-Anlagen untersucht (150 pro System): Neben der \u00e4lteren Generation (Allura Xper) zwei Nachfolgegenerationen mit moderner Rauschunterdr\u00fcckung (Allura Clarity und Azurion). Die Prozeduren waren parit\u00e4tisch auf die Kopf-, Abdomen- und Becken-Bein-Region verteilt. Endpunkte waren das Gesamt-Dosis-Fl\u00e4chen-Produkt (DFP), die fluoroskopische Dosisleistung, die Dosis pro DSA-Einzelbild sowie das DFP pro 3D-Rotationsangiographie (3D-RA) f\u00fcr die Kopf-Region. Die subjektive Bildqualit\u00e4t wurde mittels 5-Punkte Likert-Skala evaluiert.<\/jats:p>\n                  <jats:p>Der Wechsel vom Allura-Xper-System auf die erste Generation mit moderner Bildverarbeitung (Allura Clarity) f\u00fchrte zu einer signifikanten Reduktion des Gesamt-DFP um 70% (Abdomen), 65% (Kopf) und 69% (Becken-Bein; jeweils p &lt; 0,001). Dieser Effekt beruhte auf einer signifikanten Senkung der fluoroskopischen Dosisleistung (34\u201350%) sowie insbesondere der DSA-Bilddosis (68\u201374%). Der \u00dcbergang zur neuesten Systemgeneration (Azurion) erbrachte eine statistisch nicht signifikante, jedoch weitere Reduktion des Gesamt-DFP um 6\u201317 %. Die Dosis f\u00fcr eine zerebrale 3D-RA zeigte keinen signifikanten Unterschied zwischen den drei Generationen (p=0,123). Die subjektive Bildqualit\u00e4t stieg mit Einf\u00fchrung der Rauschunterdr\u00fcckung signifikant an (p&lt;0,001), jedoch ohne signifikanten Unterschied zwischen den beiden neueren Systemen (p&gt;0,05).<\/jats:p>\n                  <jats:p>Moderne Bildverarbeitungsalgorithmen stellen bei angiographischen Untersuchungen ein effektives Instrument zur Reduktion der Strahlendosis dar. Bei der aktuellen Ger\u00e4tegeneration zeigte sich allerdings gegen\u00fcber dem direkten Vorg\u00e4nger keine weitere signifikante Verbesserung im Dosisbedarf. Der Dosisbedarf der 3D-RA profitiert zum aktuellen Zeitpunkt nicht wesentlich von den Vorz\u00fcgen moderner Bildverarbeitungsalgorithmen.<\/jats:p>","DOI":"10.1055\/a-2944-0126","type":"journal-article","created":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T22:45:33Z","timestamp":1790030733000},"source":"Crossref","is-referenced-by-count":0,"title":["Einfluss der Ger\u00e4tegeneration auf die Strahlenexposition bei peripheren, abdominellen und zerebralen Angiographien: Analyse \u00fcber drei Modellreihen"],"prefix":"10.1055","author":[{"given":"Christoph G.","family":"Lisson","sequence":"additional","affiliation":[{"name":"Ulm University Hospital, Germany","place":["Ulm"],"department":["Diagnostic and Interventional Radiology"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jochen","family":"Breitruck","sequence":"additional","affiliation":[{"name":"Ulm University Hospital, Germany","place":["Ulm"],"department":["Diagnostic and Interventional 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Interventional Radiology"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meinrad","family":"Beer","sequence":"additional","affiliation":[{"name":"Ulm University Hospital, Germany","place":["Ulm"],"department":["Diagnostic and Interventional Radiology"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catharina S.","family":"Lisson","sequence":"additional","affiliation":[{"name":"Ulm University Hospital, Germany","place":["Ulm"],"department":["Diagnostic and Interventional Radiology"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2026,9,21]]},"reference":[{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.3389\/fphy.2020.00234","article-title":"Cancer Risk of Low Dose Ionizing Radiation","volume":"8","author":"YF Ali","year":"2020","journal-title":"Front Phys"},{"key":"ref3","doi-asserted-by":"publisher","first-page":"655","DOI":"10.1007\/s00380-015-0667-z","article-title":"Patient radiation 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