{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,4]],"date-time":"2022-04-04T02:15:08Z","timestamp":1649038508555},"reference-count":22,"publisher":"Georg Thieme Verlag KG","issue":"06","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Zentralbl Chir"],"published-print":{"date-parts":[[2020,12]]},"abstract":"<jats:title>Zusammenfassung<\/jats:title><jats:p>\n          Hintergrund Die \u00dcberwachung von strahlenexponiertem Personal erfolgt in Deutschland mit amtlichen Personendosimetern. Kommerziell erh\u00e4ltliche Echtzeitdosimeter (EZD) lassen sich als Strahlenschutzdosimeter verwenden. Sie werden \u00fcber der R\u00f6ntgensch\u00fcrze getragen und zeigen im Sekundenabstand die aktuell gemessene Ortsdosis an. Diese zeitnahe Einsch\u00e4tzung der Strahlenexposition erm\u00f6glicht es dem OP-Personal, durch ein angepasstes Verhalten die eigene Strahlenbelastung w\u00e4hrend der Eingriffe zu reduzieren. Ziel unserer Arbeit war die Pr\u00fcfung der Messgenauigkeit der EZD und die Bestimmung der Streustrahlung f\u00fcr einzelne Mitglieder des Operationsteams.<\/jats:p><jats:p>\n          Material und Methoden In einem gef\u00e4\u00dfchirurgischen Operationssaal, ausgestattet mit einem C-Bogen, wurden Messungen der Strahlendosis des OP-Teams mithilfe eines EZD-Systems prospektiv durchgef\u00fchrt. Zun\u00e4chst wurde die Kalibrierung der EZD am OP-Tisch mit einem Wasserphantom \u00fcberpr\u00fcft. Danach wurden Messungen w\u00e4hrend gef\u00e4\u00dfchirurgischer Operationen durchgef\u00fchrt.<\/jats:p><jats:p>\n          Ergebnisse Die Messwerte der einzelnen EZD zeigten bei der Kalibrierung deutliche Abweichungen untereinander, deshalb wurde f\u00fcr jedes EZD ein Korrekturfaktor errechnet. Es wurden insgesamt 55 Eingriffe bei 53 Patienten untersucht. Die durchschnittliche Dosis f\u00fcr den EZD-Operateur bei der EVAR (endovascular aortic repair, n\u2009=\u200911) betrug 9\u2009\u00b1\u20099\u2009\u00b5Sv (Bereich 3,6\u200a\u2013\u200a50\u2009\u00b5Sv) und bei der TEVAR (thoracic EVAR, n\u2009=\u20096) 35\u2009\u00b1\u200949\u2009\u00b5Sv (3,8\u200a\u2013\u200a190,3\u2009\u00b5Sv). Bei den perkutanen transluminalen Angioplastien (PTA) der Beckengef\u00e4\u00dfe und der unteren Extremit\u00e4ten (n\u2009=\u200920) lag die durchschnittliche Dosis f\u00fcr den EZD-Operateur bei 7\u2009\u00b1\u20097\u2009\u00b5Sv (1,2\u200a\u2013\u200a35\u2009\u00b5Sv) und bei den Angiografien der unteren Extremit\u00e4ten (n\u2009=\u200912) bei 2\u2009\u00b1\u20093\u2009\u00b5Sv (0,2\u200a\u2013\u200a15,9\u2009\u00b5Sv). Die Echtzeitdosimetrie lieferte Daten, die beim OP-Team mit zu einem ver\u00e4nderten Verhalten im Operationssaal f\u00fchrte.<\/jats:p><jats:p>\n          Schlussfolgerung Da die bei der amtlichen Dosimetrie ermittelten Dosiswerte i.\u200ad.\u200aR.\u00a0sehr klein sind, ist eine Optimierung des Verhaltens und damit des Strahlenschutzes mit diesen Dosiswerten nicht m\u00f6glich. Die mit Strahlenschutzdosimetern ermittelten und in der neuen Strahlenschutzverordnung (StrlSchV) definierten Dosisrichtwerte sind daf\u00fcr besser geeignet. Ein Vergleich der Messdaten, die mit den EZD ermittelt wurden, ist nur durch eine im Vorfeld vorgenommene Kalibrierung m\u00f6glich.<\/jats:p>","DOI":"10.1055\/a-1073-8293","type":"journal-article","created":{"date-parts":[[2020,1,15]],"date-time":"2020-01-15T19:35:43Z","timestamp":1579116943000},"page":"531-540","source":"Crossref","is-referenced-by-count":0,"title":["\u00dcberwachung der Strahlenexposition im OP mit Echtzeitmessungen: M\u00f6glichkeiten und Grenzen"],"prefix":"10.1055","volume":"145","author":[{"given":"Maria Consuelo","family":"Pedraza de Leistl","sequence":"additional","affiliation":[{"name":"Gef\u00e4\u00dfchirurgie und Endovaskul\u00e4re Chirurgie, Klinikum Kempten-Oberallg\u00e4u GmbH, Kempten, Deutschland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martin","family":"Silber","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Radioonkologie und Strahlentherapie, Bereich Medizinische Physik, Klinikum Darmstadt, Deutschland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Knez","sequence":"additional","affiliation":[{"name":"Gef\u00e4\u00dfchirurgie, Lahn-Dill-Kliniken GmbH, Wetzlar, Deutschland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Farzin","family":"Adili","sequence":"additional","affiliation":[{"name":"Klinik f\u00fcr Gef\u00e4\u00dfmedizin \u2013 Gef\u00e4\u00df- und Endovascularchirurgie, Klinikum Darmstadt, Deutschland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2020,1,15]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"382","DOI":"10.1016\/j.ejvs.2014.05.026","article-title":"Impact of hybrid rooms with image fusion on radiation exposure during endovascular aortic repair","volume":"48","author":"A Hertault","year":"2014","journal-title":"Eur J Vasc Endovasc 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