A total volume of 28 mL of iodine contrast material (Iomeron 300, Bracco, Milan, Italy), at a rate of 4 mL/s, were injected. The rotation started 3 s after the injection for the vessels with feeding arteries to the AVM. To obtain a 3D reconstruction, 120 two-dimensional (2D) images were registered at a rate of 30 frames/s, from –120° to +120°, at a speed of 55°/s. The datasets acquired into a 2563 pixel matrix were directly transferred to a 3D workstation (Xtravision, Philips Healthcare), and reconstruction of the 3D volume was made from 100% to 140%, in order to obtain more information with a better resolution.
Xtravision
Manufactured by Philips
Xtravision is a laboratory equipment product manufactured by Philips. It is designed to provide advanced imaging capabilities for various scientific and research applications. The core function of Xtravision is to capture and analyze high-quality images with enhanced resolution and clarity.
Automatically generated - may contain errors
4 protocols using xtravision
1
3D Reconstruction of Arteriovenous Malformations
2
Digital Subtraction Angiography Protocol
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Digital subtraction angiography (DSA) was performed under local anesthesia on a biplane flat panel DSA unit (Allura Xper FD 20/10, Philips, Best, The Netherlands) via a femoral access. 3D-RA was performed with a selective contrast injection of 20 ml Imeron 300 (Iomeprol, Bracco Imaging, Milan, Italy) in the ipsilateral internal carotid artery at a flow rate of 2 ml/s. The dataset was transferred to a dedicated workstation (XtraVision, Philips, Best, The Netherlands) and reconstructed with a voxel size of 0.27 × 0.27 × 0.27 mm3.
3
3D Reconstruction of Cerebral Aneurysms
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Seven unruptured cerebral aneurysms situated on internal carotid posterior communicating artery were virtually reconstructed as original models from patient 3DRA images. The patient-specific 3DRA data were acquired from a Philips Allura Xper Digital Subtraction system (Allura Xper; Philips Medical System). The C-arm of the Digital Subtraction system rotated twice. The first rotation produced the subtraction mask. The second rotation was carried out simultaneously with the administration of contrast agent. The projection images were transferred to the Integral 3DRA Workstation (Philips Healthcare) and reconstructed into 3D voxel data by using standard proprietary software (XtraVision, Philips Healthcare). The consent of the patient was secured for using the data. This study was approved by the Ethics Committee of Beijing Neurosurgical Institute.
4
3D Rotational Angiography
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The 3D Rotational Angiography (3DRA) examination was optimized for high-resolution reconstructions (either volume-rendering or multiplanar mode) and also for the visualization of iodine contrast, as 3D rotational angiography is meant for larger contrast differences (with pure contrast medium). The tube voltage was fixed at approximately 80 kV and a total volume between 24 to 28 mL of iodine contrast material (Visipaque 270; GE Healthcare, Mississauga, ON, Canada), at a rate of 4 mL/s, was injected. The rotation started 1.5 s after the injection in the internal carotid artery or vertebral artery [6 (link)]. The 3D reconstruction, 120 two-dimensional (2D) images were registered at a rate of 30 frames/s, from −120° to +120°, at a speed of 55°/s, with an acquisition time of 4 s and a reconstruction time of 5 s. The datasets acquired into a 2563 pixel matrix were directly transferred to a 3D workstation (Xtravision, Philips Healthcare, Amsterdam, The Netherlands), and reconstruction of the 3D volume was made from 100% to 140% in order to obtain more information with a better resolution [7 (link)].
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