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. 2012 Feb;3(1):101-9.
doi: 10.1007/s13244-011-0138-8. Epub 2011 Dec 1.

Interventional radiology at the meetings of the German Radiological Society from 1998 to 2008: evaluation of structural changes and radiation issues

Stefan P Lemburg  1 , Daniela Roggenland, Volkmar Nicolas, Christoph M Heyer
Affiliations

Interventional radiology at the meetings of the German Radiological Society from 1998 to 2008: evaluation of structural changes and radiation issues

Stefan P Lemburg et al. Insights Imaging. 2012 Feb.

Abstract

Objectives: Evaluation of structural changes and the weight given to radiation exposure of interventional radiology (IR) contributions at the Congress of the German Radiological Association from 1998 to 2008.

Methods: All IR abstracts were evaluated for type of contribution, design, imaging modality, and anatomic region. Weight given to radiation exposure was recorded as general statement, main topic and/or dose reduction. Statistical analysis included calculation of absolute/relative proportions of subgroups and ANOVA regression analyses.

Results: Out of 9,436 abstracts, 1,728 (18%) were IR-related. IR abstracts significantly rose to a maximum of 200 (20%) in 2005 (P = 0.048). While absolute numbers of scientific contributions declined, educational contributions significantly increased (P = 0.003). Computed tomography (CT) and magnetic resonance imaging (MRI) were the main IR imaging modalities, with growing use of CT (P = 0.021). The main body regions were vessels (45%) and abdomen (31%). Radiation exposure was addressed as a general statement in 3% of abstracts, as a main topic in 2%, and for dose reduction in 1%, respectively. During the study interval a significant growth of dose reduction abstracts was observed (P = 0.016).

Conclusions: IR emerged as a growing specialty of radiology, with a significant increase in educational contributions. Radiation exposure was rarely in the focus of interest but contributions relating to dose reduction demonstrated a significant growth during the study period. Main Messages • Interventional radiology emerged as a growing specialty at the German radiological congress. • Significant increments of educational and prospective research contributions could be observed. • Despite a significant trend towards computed tomography, radiation exposure of IR was rarely in the focus of interest. • Contributions related to dose reduction demonstrated a significant growth during the study period.

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Figures

Fig. 1
Fig. 1
Absolute number of contributions in IR. All all DRK contributions, IR all IR contributions, Sc IR scientific contributions in IR, Non-Sc IR non-scientific contributions in IR
Fig. 2
Fig. 2
Relative proportions of IR contributions for scientific poster categories. Tec educational courses for technicians, W/R workshops and refresher courses, Sc Present scientific presentations, DRK Congress of the German Radiological Society, Other multimedia/highlight session, inventor’s forum, etc., Ed Posters educational posters, Sc Posters scientific posters
Fig. 3
Fig. 3
Percentages of IR contributions for imaging modalities. CT computed tomography, US ultrasound, MRI magnetic resonance imaging, IO-Non-CT ionising, non-CT imaging modalities
Fig. 4
Fig. 4
Percentages of IR contributions with respect to body regions. CNS central nervous system, including head/neck
Fig. 5
Fig. 5
Absolute numbers of IR abstracts relating to dose and all IR contributions (all IR all IR contributions at the DRK)
Fig. 6
Fig. 6
Percentages of IR abstracts relating to dose
See this image and copyright information in PMC

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