The procedures were performed with a biplane fluoroscopy system [Artis zee BC (Model number 10094141, Model year 2009, March) and Artis zee BA (Model number 10094141, Model year 2013, January), Siemens, Munich, Germany] containing three magnetic fields (16 cm, 20 cm, and 25 cm for the Artis zee BC; 16 cm, 22 cm, and 32 cm for the Artis zee BA) and a standard image acquisition program at 15 frames per second during cine acquisition and 7.5 frames per second during fluoroscopy [9] . Every Siemens system comes standard with five completely flexible, independent, and angulation-driven physical parameters: tube current, pulse width, focal spot, pre-filter, and tube voltage. This team is constantly working together and therefore able to reduce the X-ray dose significantly [9] . Peak skin dose was computed with CARE Monitor software (Siemens). CARE Monitor calculated a standard BSA according to patient height and weight (our radiological technologists entered these data prior to each intervention) and computes the radiation dose on the surface of the patient phantom based on geometric system changes, displaying the accumulated peak skin dose [18] . Any change in the C-arm, table, source image distance, zoom, or collimator prompted the system to automatically update the calculation [18] .
Artis zee ba
Manufactured by Siemens
Sourced in Germany
The Artis zee BA is a C-arm angiography system designed for a wide range of interventional procedures. It features a large field of view and high-resolution imaging capabilities.
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Lab products found in correlation
4 protocols using artis zee ba
1
Biplane Fluoroscopy System Radiation Dosimetry
2
Detailed PCI Procedures on Biplane Fluoroscopy
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PCI procedures were performed on a biplane fluoroscopy system (Artis zee BC and Artis zee BA, Siemens, Munich, Germany), with three magnetic fields (16 cm, 20 cm, and 25 cm for Artis zee BC; 16 cm, 22 cm, and 32 cm for Artis zee BA) and a standard image acquisition program at 15 frames per second during cine acquisition and 7.5 frames per second during fluoroscopy. Primary PCI was performed using standard techniques via the radial artery, femoral artery, or rarely brachial artery. First, we advanced a conventional guidewire across the lesion, and used a small (2.0-mm diameter) balloon or thrombus aspiration catheter. The choice of devices was at the discretion of the interventional cardiologist. Activated coagulation time was maintained for >250 seconds during PCI. IVUS was routinely used for almost all lesions.
3
3D Imaging and Post-Processing Evaluation
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We conducted 3D imaging using an AXIOM Artis zee BA (Siemens Healthcare GmbH, Forchheim, Germany) angiography unit with digital flat-panel system and applied parameters routinely used in clinical settings in our institution for abdominal 3D imaging on this unit (distance from source to axis of rotation, 75 cm; distance from source to image plane, 120 cm; rotation range, 200°; duration of rotation, 8 seconds; 397 projections; tube voltage and tube current-time product of each projection determined automatically by the system).
Each phantom was placed with its central axis overlapping the axis of the rotation and subjected to 3D imaging. The dose area products were 69.5 Gy × cm2 for the elliptical cylinder acrylic phantom and 15.8 Gy × cm2 for the Catphan phantom.
Three-dimensional imaging was calculated using Feldkamp algorithms from the multiple projection data in axial images with matrix of 512 × 512 pixels and 0.47-mm thickness at intervals of 0.47 mm and a display field of view measuring 23.9 cm.
The original axial images were transferred to a 3D-IIR server (SafeCT; Medic Vision, Tirat Carmel, Israel) for 3D-IIR at 5 settings used for abdominal examination: Sharp, Default, Soft+, Soft++, Soft+++, and we evaluated the quality of images reconstructed using each of the 6 reconstruction techniques.
Each phantom was placed with its central axis overlapping the axis of the rotation and subjected to 3D imaging. The dose area products were 69.5 Gy × cm2 for the elliptical cylinder acrylic phantom and 15.8 Gy × cm2 for the Catphan phantom.
Three-dimensional imaging was calculated using Feldkamp algorithms from the multiple projection data in axial images with matrix of 512 × 512 pixels and 0.47-mm thickness at intervals of 0.47 mm and a display field of view measuring 23.9 cm.
The original axial images were transferred to a 3D-IIR server (SafeCT; Medic Vision, Tirat Carmel, Israel) for 3D-IIR at 5 settings used for abdominal examination: Sharp, Default, Soft+, Soft++, Soft+++, and we evaluated the quality of images reconstructed using each of the 6 reconstruction techniques.
4
Biplane Fluoroscopy for Slow Flow Evaluation
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The procedures were performed with a biplane fluoroscopy system [Artis zee BC (Model number 10094141, Model year 2009, March) and Artis zee BA (Model number 10094141, Model year 2013, January), SIEMENS, Munich, Germany] containing three magnetic fields and a standard image acquisition program at 15 frames per second during cine acquisition and 7.5 frames per second during fluoroscopy15 (link). Thus, the evaluation of slow flow was done at 15 frames per second. Operators used a power injector (Zone master, Sugan Co., Ltd., Osaka, Japan) with predefined settings (total 7 ml, 3 ml/s for left coronary artery, total 5 ml, 2.5 ml/s for right coronary artery). However, operators modified the amount of contrast and injection speed to achieve sufficient images. The evaluation of TIMI-flow grade just after RA was performed by an unblinded operator (KS) like previous studies regarding RA from our institution12 (link)–14 (link),16 (link).
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