Impact of Angiography System Generation on Radiation Exposure in Peripheral, Abdominal, and Cerebral Angiography: Comparison Across Three Consecutive Generations.

IF 2 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Rofo-fortschritte Auf Dem Gebiet Der Rontgenstrahlen Und Der Bildgebenden Verfahren Pub Date : 2026-09-21 DOI:10.1055/a-2944-0126

Christoph G Lisson, Jochen Breitruck, Konrad Görich, Benedikt Haggenmüller, Nico Sollmann, Arthur P Wunderlich, Meinrad Beer, Catharina S Lisson

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引用次数: 0

Abstract

Purpose: To evaluate radiation exposure in peripheral, abdominal, and cerebral digital subtraction angiography (DSA) across three consecutive equipment generations and to identify technological potential for dose reduction.

Material and methods: In this retrospective single-center study, 450 patients were examined using three different platforms (150 per system): a conventional system (Allura Xper) and two subsequent generations featuring advanced noise reduction (Allura Clarity and Azurion). The patient cohort was equally distributed among head, abdomen, and lower limb regions. Primary endpoints included total dose-area product (DAP), fluoroscopic dose rate, dose per DSA frame, and the DAP per 3D rotational angiography (3D-RA) for the head. Subjective image quality was evaluated using a 5-point Likert scale.

Results: Transitioning from the conventional system to the first generation with advanced image processing (Allura Clarity) resulted in a significant reduction in total DAP of 70% (abdomen), 65% (head), and 69% (lower limbs; each p<0.001). This effect was driven by a significant decrease in fluoroscopic dose rate (34-50%) and dose per DSA frame (68-74%). Transitioning to the latest system generation (Azurion) yielded a non-significant yet further reduction of 6-17%. Cerebral 3D-RA demonstrated stable dose requirements across all three generations (p=0.123). Subjective image quality improved significantly with the introduction of noise reduction algorithms (p<0.001), with no significant difference between the two most recent systems (p>0.05).

Conclusions: Advanced image processing algorithms are an effective tool for radiation dose reduction in angiography. However, a technological dose plateau appears to have been reached, as the current equipment generation has not shown further significant improvements in radiation dose requirements compared to its immediate predecessor. Dose requirements for 3D-RA do not, at present, benefit significantly from the advantages of modern image processing algorithms.

Key points: · State-of-the-art image processing markedly reduces radiation exposure.. · The largest effect was found with Allura Clarity.. · Azurion showed no additional significant dose reduction.. · DSA benefited more than fluoroscopy.. · 3D rotational angiography showed no significant difference in dose..

Citation format: · Lisson CG, Breitruck J, Görich K et al. Impact of Angiography System Generation on Radiation Exposure in Peripheral, Abdominal, and Cerebral Angiography: Comparison Across Three Consecutive Generations. Rofo 2026; DOI 10.1055/a-2944-0126.

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血管造影系统世代对外周、腹部和脑部血管造影辐射暴露的影响：连续三代的比较。

目的：评估连续三代设备的外周、腹部和大脑数字减影血管造影（DSA）的辐射暴露情况，并确定降低剂量的技术潜力。材料和方法：在这项回顾性单中心研究中，450名患者使用三种不同的平台（每个系统150人）进行检查：传统系统（Allura Xper）和两代具有先进降噪功能的后续系统（Allura Clarity和Azurion）。患者队列平均分布在头部、腹部和下肢区域。主要终点包括总剂量面积积（DAP）、透视剂量率、每个DSA框架的剂量和头部每次3D旋转血管造影（3D- ra）的DAP。主观图像质量采用5分李克特量表进行评估。结果：从传统系统过渡到第一代先进图像处理系统（Allura Clarity），总DAP显著降低70%（腹部），65%（头部）和69%（下肢），各p0.05)。结论：先进的图像处理算法是降低血管造影辐射剂量的有效工具。但是，似乎已经达到了技术剂量平台期，因为目前这一代设备与其上一代相比，在辐射剂量需求方面没有显示出进一步的重大改进。目前，3D-RA的剂量要求并没有明显受益于现代图像处理算法的优势。·最先进的图像处理显著降低辐射暴露。·效果最大的是Allura Clarity。·Azurion没有显示出额外的显著剂量减少。·DSA比透视受益更多。·三维旋转血管造影显示剂量无显著差异。引文格式：·Lisson CG， Breitruck J， Görich K等。血管造影系统世代对外周、腹部和脑部血管造影辐射暴露的影响：连续三代的比较。Rofo 2026;DOI 10.1055 / - 2944 - 0126。

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Rofo-fortschritte Auf Dem Gebiet Der Rontgenstrahlen Und Der Bildgebenden Verfahren 医学-核医学

CiteScore

1.20

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5.60%

发文量

340

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