ESC acquires a 640 slice CT scanner - European Scanning …

1 Introducing our Aquilion ESC acquires a 640 slice CT scanner 2 . Imaging the Heart - Current Status of CT Angiography 4..a view of the future Toshiba and ESC sign Research Partnership Agreement 8. The European Scanning Centre Newsletter Special Edition Welcome to this special edition of Vision. ESC acquires a 640 slice CT scanner It has been an exciting In order to continue to provide a first 7 years to develop and at a cost of more CTA from Aquilion ONE. summer for the ESC with class imaging service, the ESC has than 500 million. With its 16cm detector, a demonstrating (a). vulnerable soft several major developments, recently acquired the world's most five times the size of traditional 64- slice cholesterol rich plaque powerful CT scanner , the Toshiba CT scanners, and its innovative in RCA (arrow) and (b).

2 The most important of which is Aquilion ONE 640 slice scanner , reconstruction algorithm, ConeExact, it its extent and degree of which has been installed alongside can reconstruct 640 slices per rotation, stenosis as analysed by the installation of a new CT. its EBCT scanner . giving unprecedented accuracy and the software (green =. scanner , the Toshiba Aquilion detail. Its unique area of coverage normal patent lumen, blue/red = soft plaque. enables Scanning of most organs within ONE 640 slice CT scanner . Dr Sarah Howling, one rotation, eliminating the need for Far right panels show the cross-section Despite the challenging ESC's Director of Imaging helical Scanning , which in turn, lowers the through the artery. comments: radiation dose dramatically ( mSv for economic climate, we remain I am seldom allowed to shop with such a CT angiogram compared to 2-3 for latitude!))

3 To create a dream list and then other scanners and 6-10 mSv for convinced that medical succeed in securing the top CT scanner conventional angiograms). practitioners continue to need available in the world is more than I. hoped for when I joined the ESC in 2005. The new scanner is likely to offer high quality diagnostic We selected the Toshiba scanner after numerous applications but in particular imaging. The Aquilion One is detailed evaluation of all the CT systems has significant advantages in cardiac, on the market. The Aquilion ONE is the neurological, musculoskeletal, oncology the world's most powerful top of the CT premier league and a huge and gastroenterology imaging. advance in technology. Our referring and advanced scanner and b doctors are going to be amazed by the Cardiac Imaging CT angiography provides images of unrivalled images and applications this will offer.

4 Coronary CT angiography (CTA) is sensitivity and spatial gaining increasing acceptance as a The Aquilion ONE is the world's first viable alternative to invasive coronary differentiation. In addition to dynamic volume CT system, taking over angiography for selected patient groups. Its advantages are speed, minimal risk of the installation, the centre complications, and low morbidity. has undergone major However, its more widespread use is presently limited by concerns about the refurbishment with the long- spatial definition of current scanners, needed creation of a waiting including the EBCT scanner , and also the radiation dose to patients. The Aquilion room. These developments ONE scanner overcomes these limitations and in particular its high will ensure the ESC remains a temporal and spatial resolution allows leading independent imaging detailed imaging of all of the coronary arteries, including the distal branches, as centre and we look forward to well as clearly differentiating between soft exploring the capabilities of and calcified plaque.

5 This goal has been unachievable by conventional angiography. this remarkable machine. The proprietary software of the Aquilion 2 The European Scanning Centre Newsletter Feature Aquilion ONE 64 slice scanner scanners (including dual-source scanners) a major role in Image acquisition per rotation 16 cm volume cm cerebral blood acquisition flow imaging in Spatial resolution (mm) patients at risk No. of rotations to image heart 1 8-10. of stroke'. Radiation dose for CT angiogram (mSv) 2-3. Accurate imaging and quantification of Yes No Representative soft plaque images from dynamic Need for beta blockade No Yes Cerebral perfusion study in patient with imaging of a previous occipital infarct demonstrating wrist and knee The Aquilion Able to scan patients with arrhythmias Yes No decreased perfusion (blue). during joint Dynamic imaging Yes No movement, allowing Perfusion studies Yes No elucidation of detailed imaging symptom Ability to image moving joints Yes No aetiology.

6 Of all of the coronary arteries, ONE also quantifies the extent of soft plaque data. Current studies are exploring the use burden as well as accurately assessing the of adenosine-induced tachycardia in the including the degree of stenosis. Such imaging capabilities functional assessment of any stenosis are likely to transform the management of observed during the CT angiogram. distal branches, CHD by enabling practitioners to follow up joint symptoms which may be due to bone impingement, this is potentially an important as well as clearly the progression of soft and calcified Neurology atheromatous plaque and assess the response The ability of the Aquilion ONE to acquire application for sports injuries. differentiating to aggressive preventive management. 16cm volumetric scans enables perfusion studies to be performed.

7 The ESC has Cerebral CT angiogram demonstrating a Summary between soft and Apart from its dramatic dose reduction, established close links with neurologists and In summary, the Aquilion ONE 640 slice CT. large arteriovenous malformation (arrow). scanner represents a major advance in calcified plaque. another important aspect is the fact that neuroradiologists from the National Hospital cardiac arrhythmia or heart rates up to 130 for Neurology and Neurosurgery and sees a Scanning technology with unrivalled This goal has been This scanner should provide high quality bpm are no longer an issue as is frequently major role for the new scanner in cerebral sensitivity and spatial resolution. As such, it cerebral CT angiography, an imaging modality the case with helical 64 slice Scanning , blood flow imaging in patients at risk of which is likely to supersede MRI angiography promises to offer both patients and unachievable including dual-source scanners.

8 This is stroke. Its ability to perform high quality practitioners a viable non-invasive alternative and provide an alternative to invasive by conventional because of the very fast speed of the image cerebral CT angiography will be clinically to many invasive diagnostic procedures, and angiography for many patients.. acquisition and the online assessment of the useful in the diagnosis and follow-up of with the added advantage of also being angiography.'. imaged RR-interval by the new system's carotid stenosis, arteriovenous malformations quicker and cheaper. However, we feel this is Musculoskeletal software which ensures that image and aneurysms. just the start and with our talented The new scanner will for the first time also reconstruction can proceed as planned. radiography and radiologist team we are only allow imaging of joint kinematics, An exciting development of the Aquilion One Dr Paul Jarman, just beginning to consider its dynamic demonstrating moving joints in real time is its unique ability to acquire volumetric consultant neurologist at the possibilities.

9 It is an exciting time for all of us! (bone, ligaments and tendons by viewing in analysis of the entire heart in one rotation National Hospital for Neurology different window width/levels). As static which allows the acquisition of perfusion and Neurosurgery says: imaging often fails to elucidate the cause of 3. Imaging the Heart - Current Status of CT Angiography Dr Simon PG Padley The consequent reduction in scan times and Dr Nevin T Wijesekera renders images less susceptible to cardiac an oral or Department of Radiology, dysrhythmias. Royal Brompton Hospital, London intravenous beta Spatial resolution blocker is usually CT Scanning has evolved hugely in the The coronary arteries measure from 4-5mm administered, past two decades. Improvements in in the left main stem to 1mm in the distal left speed and resolution have been so anterior descending artery.

10 Sub-millimetre although not significant that it is now possible to spatial resolution with isotropic imaging ( Prospective gating with Aquilion ONE CT angiogram scan. Image required with 640 image structures as small and as rapidly equal resolution in all three planes) is acquisition occurs during single heart beat in late diastole, thereby significantly reducing radiation exposure slice scanners' moving as the coronary arteries with desirable to delineate sub-millimetre temporal and spatial resolution coronary artery branches. In order to Only 180 of rotation is required for image In prospective approaching that of invasive coronary differentiate a 10-20% stenosis, isotropic generation, so temporal resolution is equal to gating, the angiography. spatial resolution of is considered half the gantry rotation speed.