Feature | Ultrasound Imaging | August 31, 2016 | Snehal Chougule

Ultrasound Enhances Quality of Patient Care as Technology Advances

Recent advances in technologies such as emergence of artificial intelligence, 3D/4D, and POC solutions help in increasing productivity of clinicians and overall quality of patient care

3-D ultrasound, 3D ultrasound, fetal ultrasound

3-D and 4-D ultrasound technologies help to determine congenital birth defects. The golden colored images offered by 3-D/4-D ultrasound aid in detecting defects distinctly as compared to grey colored images delivered by 2-D ultrasound systems. 

The past decade has witnessed significant developments in ultrasound technologies ranging from portable devices, wireless transducers to 3-D/4-D ultrasound imaging and artificial intelligence. Researchers and scientists are endeavoring on developing technologies that simplify diagnostic procedures, improve efficiency of clinicians, and enhance image quality. These research and development activities focus on improving overall quality of patient care. In addition, manufacturers are emphasizing on implementing automation in premium-tier systems, portable devices, and point-of-care (POC) solutions. The prime focus of vendors will be on offering cost-effective devices with growing innovation and competition in the global industry. 

The concerns regarding overexposure to radiation by conventional systems and other devices, including MRI or CT have enabled manufacturers to concentrate their efforts on developing less radiation. The trend of using smart fusion technologies, i.e., acquiring images using a combination of ultrasound and MRI, for interventional and therapeutic applications is also gaining momentum. In its recent report on ultrasound devices market, Allied Market Research highlights how advancements in ultrasound technology will influence the global industry. As per the report, the market is estimated to reach $10,476 million by 2022. Following are the technological advancements that shape the ultrasonic devices industry:

 

3-D/4-D Ultrasound Technologies

Availability of better visualization owing to advancements in 3-D and 4-D ultrasound technologies helped gynecologists to determine congenital birth defects. The golden colored images offered by 3-D/4-D ultrasound aid in detecting defects distinctly as compared to grey colored images delivered by 2-D ultrasound systems. So, congenital birth defects such as spina bifida, cleft palate, and others are easy to detect and conduct diagnostic procedures. In addition, cardiologists benefit from these technologies due to availability of real-time data and quantitative diagnostic information. 

“Patients, of course, love 3-D pictures, but as radiologists we have to be careful that we’re not performing an ultrasound for the fun of it,” said Deborah Levine, M.D., co-chief of ultrasound and director of obstetric and gynecologic ultrasound at the Department of Radiology at Beth Israel Deaconess Medical Center, Boston. “Radiologists will perform a whole diagnostic study before ever providing that 3-D picture for the patient.”

Different tools are available in 3-D technologies, such as multiplanar display, which helps in rendering orthogonal views for fetal brain and cavities. In addition, it also helps gynecologists to view baby’s face, hands and other features through surface rendering and determine genetic syndromes. Maximum intensity projection is another tool that assists clinicians to view structures of bone, including skull or vertebra more distinctively. Whereas, thick slice scanning helps them to visualize toes, fingers and anomalies like cleft palate better. 3-D inversion mode is helpful in examining fluid-filled structures, including brain ventricles or fetal stomach.

3-D ultrasound helps in improving precision in fetal weight estimation by measuring fractional thigh volume. This, in turn, helps in assessment of prenatal nutritional status by assessment of soft tissues of fetal limbs. Wesley Lee, M.D., co-director, Texas Children’s Fetal Center, Texas Children's Hospital Pavilion for Women, Houston, Texas, is conducting a research based on this method. Emphasizing the role of 3-D ultrasound in assessment of fetal limbs, he said, “We have to develop new ways and novel approaches for determining which babies are truly malnourished. That’s why we are using fractional limb volume as part of the fetal weight estimation procedure to assess the fetus before delivery.” 

The examination of the moving heart and obtaining dynamic multiplanar views of the heart is possible with the help of spatial temporal image correlation (STIC) technique, which uses 4-D ultrasound. Benefits of 3-D and 4-D ultrasound technologies such as practical, easy to use, safe and shorter exam time gives ultrasound a new life and increased relevance in medical imaging. 

 

Artificial Intelligence Aids Ultrasound Imaging

Clinicians face issues in reproduction of images in echocardiography as results vary based on the sonographer’s experience and techniques used. This issue was addressed by Philips Healthcare with an introduction of artificial intelligence software, Anatomically Intelligent Ultrasound (AIUS). The software collects image volume data with the help of 3-D echo and optimal version of diagnostic views is created. Quantification measurements are computed from 3-D dataset and clinicians can carry out assessment of diseases and explore treatment options with highly reproducible images. AIUS also helps in saving time by obtaining dimensions three to six times faster as compared to manual methods. Advances in artificial intelligence technology help clinicians in workflow enhancement.

 

Point-of-Care Ultrasound Solutions

Ultrasound has become ubiquitous in point-of-care (POC) solutions to determine and diagnose vascular and cardiac issues. Innovation in ultrasound devices gives rise to handheld, portable devices that are cost effective and saves time of patients as well as clinicians. Philips introduced app-based ultrasound system, Lumify. A smartphone turns into an ultrasound device by connecting Philips transducer through USB port and using Lumify app. Smartphone screen works as a display and transducer performs all the functions regarding acquisition and image reconstruction processing. Linear and phased array transducers are available in this system. 

Mindray launched its touchscreen device, TE7, which is similar in size of tablet in July 2015. Various exam presets along with enhanced cardiac functions such as continuous wave Doppler are included in this device. The device enables users pinch, drag, zoom in, zoom out, and swipe the images. Another handheld system that allows users to conduct number of different exams is iViz by Fujifilm. It supports high-resolution color flow images and has 7-inch display touchscreen. Full bi-directional communication is possible with the help of electronic medical record (EMR) enabled by vendor neutral archive (VNA) of Fujifilm. This implies that patient data can be sent and analysis can be received through few steps. Though these technologies are in its infancy, the future looks bright for portable devices offering POC solutions. The usage of these technologies and handheld devices among clinicians, gynecologists, and gynecologists will grow over the period of time. 

Following the emergence of technologies and inclination of manufacturers toward innovation, the ultrasound devices will improve quality of patient care, enhance productivity of clinicians, and transform medical imaging. 

Editor’s Note: Snehal Chougule is a healthcare technology market analyst with Portland-based Allied Market Research. For more information visit www.alliedmarketresearch.com/ultrasound-devices-market.

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