How real is Virtual/Augmented Reality in healthcare? (Exponential Tech Part 4)


How real is Virtual/Augmented Reality in healthcare? (Exponential Tech Part 4)

We have so many immersive experiences today that transport us to a reality that existed in dreams and fantasies earlier. Welcome to the world of Virtual Reality (VR). As the name suggests, it’s virtual and yet the experience is meant to feel real. A computer-simulated alternate world that you experience with sensory devices such as handsets and gloves.
Then there is Augmented Reality (AR), here the focus is the real world and there are digital elements superimposed. One of the best examples of this is in the Ikea Place app. If you wanted to see how an IKEA sofa looked in your living room, you just tap the product and use your phone camera to place the digital sofa in your living room to see how it looked.

 

So how does all of this fit into healthcare? Let’s check out some of the interesting applications in use.
In gastroenterology, the use of AR in the endoscopic unit helps improve the polyp detection rate, polyp classification, polyp size estimation, etc. Key to the AR technology is image processing and computer vision. Image processing allows the deconstruction of the image captured as a part of the input (camera) into a series of parameters and properties. The computer vision refers to the high-level image processing which allows the computer to interpret the image or series of images.
AED4EU is an app that uses AR to show all known Automated External Defibrillators in the location near you. AED4EU will also give you the phone number and address.
AccuVein uses augmented reality by using a handheld scanner over the skin and shows nurses and doctors where veins are in the patients’ bodies. It’s been used on more than 10 million patients, making finding a vein on the first stick 3.5x more likely.
These are just a few applications putting AR to good use in healthcare. Let us round up the overall benefits of AR and VR in medicine as it potentially promises to revolutionize treatment, therapy, training, and education.
1. Surgical Simulation, Training, and Education
Virtual Reality transports you directly inside the human body to access in 3D view even the tiniest of veins that otherwise would be impossible to see. Currently, medical students learn on cadavers, which are difficult to source and do not react as live patients would. In VR however, you can view minute details of the body in a 360° CGI (Computer-generated imagery) reconstruction & create training scenarios that could substitute common surgical procedures.
Case Western Reserve University and the Cleveland Clinic have partnered with Microsoft to develop a HoloLens app called HoloAnatomy to visualize the human body in an easy and spectacular way.
With Microsoft’s HoloLens Headset, app users are able to see everything from muscles to veins before their eyes through a holographic model. This has the potential to revolutionize medical education.

 

Specialized training simulators can be created to improve surgeons’ skills in various scenarios. Simulated models help many surgeons, plan, and rehearse before the actual surgery, as a part of preoperative planning. These virtual models of the patients’ bodies can be made using the MRI, CT, and Ultrasound scans.
Such simulators can also be used by trainee residents and students in developing intuition and decision-making abilities.
AR enables experienced surgeons to remotely assist residents by using an Internet connection and therefore opens the way of excellent distant teaching. Compared to virtual reality (VR) simulators, where the whole simulation takes part in a CG (Computer-generated) environment, the main advantage of AR simulators is the ability to combine real-life objects with CG images, resulting in satisfactory tactile feedback.
By monitoring and transmitting the image of a surgical site between two distant stations, remote virtual collaboration is possible between two surgeons. This concept is sometimes referred to as “telepresence”. A VIPAR ( Virtual Interactive Presence Augmented Reality) system was used in an effort to allow communication between Vietnam and the USA.
Another interesting example of immersive training experience is the HumanSim system which enables doctors, nurses, and other medical personnel to interact with patients in an interactive virtual training environment. This measures the participant’s emotions via a series of sensors. Helps the medical professionals to develop more empathy for patients among other things.
2. Virtual reality diagnostics
Virtual reality is often used as a diagnostic tool in that it enables doctors to arrive at a diagnosis in conjunction with other methods such as MRI scans. This removes the need for invasive procedures or surgery.
3. Virtual robotic surgery
A popular use of VR is in robotic surgery. This is where surgery is performed by means of a robotic device that is controlled by a human surgeon, which reduces the time and risk of complications. The robotic device is accurate, meaning smaller incisions, reduced blood loss, and faster recovery.
Robotic-assisted surgery with Da Vinci surgical systems are cleared by applicable regulatory agencies for use in a number of different procedures such as colorectal, cardiac, urology, general surgery, gynecological, head and neck, and thoracic.
4. Treatment of phobias, anxiety disorders, and addiction
Combined with biosensors that monitor physiological reactions like heart rate and perspiration, therapists can assess how patients react to stressful situations in a safe, virtual environment. This is applied to the treatment of post-traumatic stress disorders and patients with various phobias.
VR can also be a useful tool to treat addicts and prevent a relapse from occurring by exposing them to the right stimuli.
VR can help people with autism develop social and communication skills. It can also diagnose patients with visual or cognitive disabilities, by tracking eye movement.
5. Patient Education
The ability to view the inside of the human body in Virtual Reality is not only useful for doctors, but also for patients. VR allows patients to be taken through their surgical plan by virtually stepping into a patient-specific 360° VR reconstruction of their bodily anatomy. This helps them in the understanding of the treatment.
6. Pain Management & Physical Therapy
VR’s healing capabilities are used in physical therapy and pain management too. UW Harborview Burn Centre uses the VR game, Snow World, to alleviate the pain for burn victims during wound care. VR distracts the mind from the source of pain and immerses the patients in an alternate world of snowmen, snowballs, and penguins.
VR for physical therapy has also been shown to be effective in speeding recovery. Allowing the patient to do their prescribed daily exercises in a virtual environment makes the activity more fun, keeps them in high spirits during a long recovery period. Today, we also have the option of having a digital physiotherapist at home by means of a VR avatar.
Future Trends and Challenges
The adoption of AR and VR in healthcare is forecast to grow even more quickly, with the value of the market increasing by 38% annually until 2025.
However, there are challenges in the mainstream adoption of these technologies.
► Cost is definitely one of the factors. These technologies are expensive. A lot of big investors like Google and Facebook have pumped billions into the VR market, allowing for some very powerful hardware like the Oculus Quest to hit the market. The total cost of ownership of the technology solutions will need to be contained if it is to be adopted widely.
► Mobility is another challenge. One of the biggest limiting factors with current technology is the need for restricting headsets, display units, and all the cords used to connect them. However, hardware devices have started to trend towards being “untethered”. Facebook’s Oculus headset that initially needed to be connected to a powerful PC, became available as the self-contained Oculus Quest version.
► VR requires higher bandwidths and superfast networks. 5G will open up new possibilities for these technologies. Data transfer speed of 3 gigabytes per second (as opposed to 100mbps for home broadband) would be required to stream data from the cloud. Rather than needing to be connected to PCs, viewing devices will upload tracking data to data centers on the cloud where the heavy processing will be done. The rendered images can be delivered back to the user in real-time thanks to the speed of 5G and other advanced networks.
► Lack of knowledge and research around AR/VR in health care. A quick search of research studies shows over 3,536 publications with “virtual reality” or “augmented reality” or “mixed reality” in the title since 1991. Unless there is more knowledge and useful research available, mainstream adoption will be slow.
► Regulatory/Policy/Insurance issues. As with anything new in healthcare, unless there is wide adoption of this technology, regulatory and insurance challenges will be a given.
As Facebook, Google, Oculus, Samsung, and Sony continue to aggressively market VR/AR experiences for consumers, more people will be exposed to it and interest will grow. That said, patient demand and pull will have a powerful influence on administrative and clinical decision-makers.
Healthcare facilities from across the globe are now utilizing immersive applications such as vein visualization, surgical visualization, etc. Development-driven healthcare professionals are researching areas that could potentially benefit both customers and businesses. While some of the hospitals are not equipped to handle these technological advances, many of them (including third party companies) are choosing to invest in the same.
A lot of the VR and AR applications mentioned above are still in their infancy. However, the potential for VR in the healthcare sector is huge, limited only by the imagination and insight of those creating and applying the technology.

 


Originally published on LinkedIn, by Suzette Sugathan, Director, NextServices
Image Credit: Pexels.com

 

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