GE Healthcare Introduces Revolution Ascend, a New CT System to Increase Operational Efficiency & Patient Comfort

• Leverages the latest technologies to simplify processes with Effortless Workflow, a new artificial intelligence (AI) suite that reduces the number of clicks necessary to execute a CT exam by 66%ⁱ and helps clinicians deliver more personalized medicine – optimizing scan range settings, dose and image quality for each patient
• Accommodates a greater variety of patients with its new 75 cm wide-gantry and enhances patient comfort with 21% faster examsⁱⁱ
• Uses a dedicated deep neural network to generate TrueFidelity CT Imagesⁱⁱⁱ with superb clarity even at low dose, while providing preferred image noise texture^iv and sharpness^v

GE Healthcare today unveiled Revolution Ascend^vi with Effortless Workflow, offering clinicians a collection of artificial intelligence technologies that automate and simplify time-consuming tasks to increase operational efficiency and free up time for clinicians to deliver more personalized care to more patients. The computed tomography (CT) system’s new 75 cm wide-gantry, 40 mm detector coverage, and lower table position are designed to accommodate high body mass index (BMI) patients as well as trauma cases that would otherwise be too delicate to maneuver in a smaller size gantry.

For nearly 50 years, CT has proven to be a vital imaging tool used by clinicians to detect cancer, stroke, heart conditions, and other diseases. However, as CT procedure volume grows – reaching an all-time high^vii ahead of the COVID-19 pandemic – so too does the need to optimize CT protocols and expand patient positioning options to help expedite exams and accommodate more patients.

“The most time-consuming part of the CT experience isn’t the scan itself, but the steps that fall outside the scan,” explains industry expert Timothy P. Szczykutowicz, Ph.D., director of clinical operations and the CT Protocol Project at the University of Wisconsin School of Medicine and Public Health as well as author of The CT Handbook: Optimizing Protocols for Today's Feature-Rich Scanners. “Within a typical 10–30-minute CT exam, the scan itself only takes a few minutes and the remainder of the time is dedicated to patient prep – including positioning the patient and identifying the correct protocols and settings, plus image reconstruction and report time. Historically, these have been manual processes, putting them at risk of human error; however, AI offers new opportunities to automate workflows and expedite exams with the same or better results.”

Revolution Ascend helps address these challenges with GE Healthcare’s Effortless Workflow, a new suite of AI solutions that personalize scans accurately and automatically for each patient while requiring significantly less effort from the CT technologist. It starts with the technologist using the system’s attached bar code reader to scan the patient’s chart or tag and personalize each exam: automatically pulling up the patient’s information and suggesting relevant protocols. With one click, the CT technologist can then initiate Auto Positioning, which uses real-time depth-sensing technology to generate a 3D model of the patient’s body and a deep learning algorithm to determine the correct table elevation and cradle movements to align the center of the scan range with the isocenter of the bore. Once the patient is ready to be scanned, intelligent tools embedded in the new Clarity Operator Environment provide optimal scan range settings, dose, and image quality for each individual, helping to deliver greater efficiency and more personalized medicine across clinical care areas.

Altogether, Effortless Workflow’s AI-based features streamline the entire CT process by automatically:

• Positioning patients with 94% auto centering accuracy within +/- 2 cm^viii;
• Suggesting protocols with 90% accuracy^ix;
• Automating and expediting workflows with a 66% reduction in clicksⁱ;
• Saving 56% of time for scan settings and 21% for the entire exam^x;
• Reducing up to 91% image noise at the same dose^{xi, xii}; and
• Improving spatial resolution up to 2x at the same image quality^{xi, xii}.

“Having Revolution Ascend is like having an extra set of hands – which are much needed in today’s healthcare environment,” says Gladys Farias, Imaging Services Manager at Baptist Health in Miami, Florida – one of the first installation sites for Revolution Ascend. “Not only do the system’s intelligent solutions help us expedite exams, but they also enable us to deliver a more comfortable and personalized experience for each patient. Technologists love it for its simplicity. Clinicians love it for its results. And patients love it for its fast exams and comfort.”

Revolution Ascend also uses a dedicated deep neural network to generate TrueFidelity CT Imagesⁱⁱⁱ to help improve reading confidence in a wide range of clinical applications – such as head, whole body, and cardiovascular, for patients of all ages. Compared to even the most advanced iterative reconstruction technology, TrueFidelity CT Images can elevate every image to a powerful first impression with impressive image quality performance^xiii, and preferred image sharpness^v and noise texture^iv – all without compromising the low dose levels to which clinicians have grown accustomed.

Furthermore, Revolution Ascend’s 75 cm wide-gantry design with a lower table position increases the patient area inside the bore by 22%^xiv to provide patients additional space for a more comfortable CT scanning experience. This new wider bore design represents the widest gantry aperture at the shortest geometry design in its class.

“We designed Revolution Ascend with accessibility in mind,” explains Jean-Luc Procaccini, President & CEO, Molecular Imaging & Computed Tomography, GE Healthcare. “Not only does the system’s hardware help accommodate more patients with various physical limitations, but its cutting-edge AI also helps expedite exams so healthcare system schedules can accommodate additional patient scans. Altogether, Revolution Ascend with Effortless Workflow helps empower clinicians to reach the right diagnosis as efficiently and precisely as possible for more patients.”

Revolution Ascend’s Effortless Workflow, as well as additional advanced applications, are offered as an upgrade to existing GE Healthcare CT systems or by acquiring Smart Subscription – an Edison service – which provides access to the latest CT device software across a hospital system’s entire CT fleet. This common access to GE Healthcare’s digital ecosystem of applications helps increase staff efficiency, reduces training, and improves satisfaction by ensuring there is one set of capabilities for healthcare workers to learn, operate and read.

For more information on GE Healthcare and Revolution Ascend, visit gehealthcare.com.

About GE Healthcare:

GE Healthcare is the $18 billion healthcare business of GE (NYSE: GE). As a leading global medical technology, pharmaceutical diagnostics and digital solutions innovator, GE Healthcare enables clinicians to make faster, more informed decisions through intelligent devices, data analytics, applications and services, supported by its Edison intelligence platform. With over 100 years of healthcare industry experience and around 47,000 employees globally, the company operates at the center of an ecosystem working toward precision health, digitizing healthcare, helping drive productivity and improve outcomes for patients, providers, health systems and researchers around the world.

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ⁱ The required clicks are defined as clicks required to execute a scan from selecting a new patient til start scan. All associated clicks for and in clinical practice, number of the required clicks may vary depending on the circumstances, including but not limited to, the clinical task, exam type, clinical practice, and image reconstruction technique.

ⁱⁱ The data was based on comparison between GE’s legacy products (16ch and 64ch scanner) and Revolution Ascend in the three institutions using a pilot product and selected routine head and body. The data set of this comparison was 838 exams for legacy products and 1387 exams for Revolution Ascend. The time saving value may not be effective for all institutions depending on the clinical practice. Definition of entire exam time is from “Open new patient” to “Last primary recon completed” for Revolution Ascend and “Close exam” for legacy products.

ⁱⁱⁱ TrueFidelity CT Images on Revolution Ascend is 510(k) cleared and CE marked. Available for sale in the US as well as EU countries. Not available for sale in all regions.

^iv As demonstrated in clinical evaluations on Revolution CT, Revolution EVO and Revolution Ascend consisting of 180 cases where each case was reconstructed with both DLIR and ASiR-V and evaluated by 3 physicians. In >90% of the reads, DLIR's noise texture was rated better than ASiR-V's.

^v As demonstrated in clinical evaluations on Revolution CT, Revolution EVO and Revolution Ascend consisting of 180 cases where each case was reconstructed with both DLIR and ASiR-V and evaluated by 3 physicians. In >99% of the reads, DLIR's image sharpness was rated the same as or better than ASiR-V's.

^vi Revolution Ascend is 510(k) cleared and CE marked. Available for sale in the US as well as EU countries. Not available for sale in all regions.

^vii 2019 CT Market Outlook Report by IMV Medical Information Division.

^viii Measured centering accuracy which was scanned 921 standard routine exams in head and body with Auto positioning in three institutions using a pilot product.

^ix Results may vary depending on the circumstances, including but not limited to, exam type, clinical practice. This analysis was performed on 3175 exams representing 17 different exam descriptions, collected from 4 different medical evaluation site.

^x The data was based on comparison between GE’s legacy products (16ch and 64ch scanner) and Revolution Ascend in the three institutions using a pilot product and selected routine head and body. The data set of this comparison was 838 exams for legacy products and 1387 exams for Revolution Ascend. The time saving value may not be effective for all institutions depending on the clinical practice. Definition of entire exam time is from “Open new patient” to “Last primary recon completed” for Revolution Ascend and “Close exam” for legacy products.

^xi Image quality as defined by low contrast detectability.

^xii In clinical practice, the use of ASiR‐V may reduce CT patient dose depending on the clinical task, patient size, anatomical location, and clinical practice. A consultation with a radiologist and a physicist should be made to determine the appropriate dose to obtain diagnostic image quality for the particular clinical task. Low Contrast Detectability (LCD), Image Noise, Spatial Resolution and Artifact were assessed using reference factory protocols comparing ASiR‐V and FBP. The LCD measured in 0.625 mm slices and tested for both head and body modes using the MITA CT IQ Phantom (CCT183, The Phantom Laboratory), using model observer method.

^xiii Image quality comparisons between DLIR and ASiR-V, were evaluated by phantom tests of MTF, SSP, axial NPS, standard deviation of image noise, CT Number accuracy, CNR, and artefact analysis. Additionally, LCD was demonstrated in phantom testing using a model observer with the head and body MITA CT IQ Phantoms (CT191, CT189 The Phantom Laboratory). DLIR and ASiR‐V reconstructions were performed using the same raw data.

^xiv Patient area defined by circular area between the top of the gantry bore and the center of the tabletop surface at lowest cradle position.

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