Avtor/Urednik		Kuhelj, Dimitrij; Zdešar, Urban; Šurlan, Miloš; Ključevšek, Tomaž; Popovič, Peter; Stankovič, Milenko; Berden, Pavel; Kunst, Tomaž; Salapura, Vladka; Klančar, Janez; Vrtovec, Matjaž; Klavžar, Marko
Naslov		Je izpostavljenost bolnika sevanju višja pri računalniški tomografski angiografiji kot pri digitalni subtrakcijski angiografiji medeničnih in perifernih arterij?
Tip		članek
Vir		In: Blinc A, Kozak M, Šabovič M, editors. Slikovne metode v odkrivanju in zdravljenju žilnih bolezni. Letno srečanje Združenja za žilne bolezni SZD; 2005 maj; Ljubljana. Ljubljana: Združenje za žilne bolezni,
Leto izdaje		2005
Obseg		str. 328-33
Jezik		slo
Abstrakt		With the introduction of CT arteriography (CTA) of peripheral arteries, based on multislice technique, X-ray exposure of patients due to large scaned areas became an issue. Effective doses of patients during CTA or DSA of pelvic arteries and arteries of lower limbs were compared. Materials and methods. In our study, dose comparison between 57 patients, who underwent CTA and 135 patients, who underwent DSA (digital subtraction angiography) of pelvic and lower limb arteries in the year 2004 was compared. In 98 patients with DSA additional projections were needed. CTDI (CT dose index on volume) was recorded after CTA on 16-slice scanner (Sensation, Siemens, Erlangen, Germany), whereas dose-area product (DAP) was recorded on DSA (Multistar, Siemens, Erlangen, Germany). Effective doses (E) were calculaculated from CTDI and DAP. Results. The average E in CTA was 5,2 mSv (4.9-6.1) compared to 3,7 mSv (0.4-15.5) in DSA. Conclusion. The average E during CTA was higher than in patients with DSA, but only if no lateral pelvic projection was needed on DSA. Causes for large variability of effective doses in patients with DSA should be discovered and variability diminished by optimizing the technique.
Deskriptorji		TOMOGRAPHY, X-RAY COMPUTED ANGIOGRAPHY, DIGITAL SUBTRACTION FEMORAL ARTERY RADIATION DOSAGE