Abstract
Purpose
Metaverse is becoming an alternative world in which technology and virtual experiences are mixed with real life, and it holds the promise of changing our way of living. Healthcare is already changing thanks to Metaverse and its numerous applications. In particular, Urology and urologic patients can benefit in many ways from Metaverse.
Methods
A non-systematic literature review identified recently published studies dealing with Metaverse. The database used for this review was PubMed, and the identified studies served as the base for a narrative analysis of the literature that explored the use of Metaverse in Urology.
Results
Virtual consultations can enhance access to care and reduce distance and costs, and pain management and rehabilitation can find an incredible support in virtual reality, reducing anxiety and stress and improving adherence to therapy. Metaverse has the biggest potential in urologic surgery, where it can revolutionize both surgery planning, with 3D modeling and virtual surgeries, and intraoperatively, with augmented reality and artificial intelligence. Med Schools can implement Metaverse in anatomy and surgery lectures, providing an immersive environment for learning, and residents can use this platform for learning in a safe space at their own pace. However, there are also potential challenges and ethical concerns associated with the use of the metaverse in healthcare.
Conclusions
This paper provides an overview of the concept of the metaverse, its potential applications, challenges, and opportunities, and discusses the implications of its development in Urology.
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Introduction
Metaverse has been defined in many ways. Mostly all definitions fall into one of these four categories: Augmented Reality (AR), lifelogging, mirror world, and Virtual Reality (VR) [1].
Augmented reality involves enhancing the external world by incorporating additional layers of information and technology. This technology expands the real-world environment beyond an individual's physical surroundings using a location-aware system and interface [2].
Lifelogging involves augmenting the inner world by using smart devices to capture and record daily activities, which are then stored and accessible through the internet or smartphones. This practice has become increasingly popular, with platforms such as Twitter, Facebook, and Instagram serving as typical examples of lifelogging. Using of devices to record biometric information is lifelogging, too [1].
The mirror world is a virtual representation of the external world that involves an informationally enhanced simulation or "reflection" of reality. It can be thought of as a metaverse where the visual appearance and structural organization of the physical world are replicated in virtual reality, as if reflected in a mirror [2]. A representative example of the mirror world is video conferencing systems such as Zoom, Webex, Google Meet, and Teams [1].
Virtual reality is a component of the metaverse that creates a simulation of the inner world. This technology involves advanced 3D graphics and real-time communication tools; it enables users to experience a fully immersive virtual environment [1]. Another important part of virtual reality is the possibility for multiple users to access simultaneously and generate a 3D space in which everyone is represented by an avatar [3]. Recent advances in technology have made it possible to create fully realized metaverses that are accessible to a wide audience [4].
Metaverse and healthcare
The potential for the Metaverse to revolutionize healthcare was demonstrated during the COVID-19 pandemic, when telemedicine consultations became widespread, allowing patients to receive care remotely [5]. However, the Metaverse offers even greater possibilities, for example, by enabling virtual consultations and remote real-time patient monitoring, surpassing the limits of telemedicine.
There is some more about Metaverse in healthcare. Virtual reality (VR) has already been used in pain management in various conditions, such as chronic diseases and recovery after surgery [6], and speaking about surgery, Metaverse could be a powerful ally in procedure planning and even during operations, thanks to 3D modeling [7] and Augmented Reality (AR) [2].
While the Metaverse has the potential to transform healthcare, it also holds promise in other fields such as education. Medical education and training, for example, could greatly benefit from Metaverse technology, particularly VR, which offers the key advantage of deep immersion and the possibility to learn in simulations, without putting actual patients at risk [8,9,10,11].
The emergence of 5G technology and the increasing interest in the Internet of Things (IoT) in healthcare are closely associated with the development of the Metaverse. With its vast range of potential applications, including remote real-time monitoring, platforms for chronic disease management, and rehabilitation, IoT holds immense promise for improving healthcare [12].
Metaverse and urology
Urology has long relied on technology, particularly in the fields of robotic and endoscopic surgery. Beyond these applications, the Metaverse holds promise in other aspects of the field, including office and ward practice. Virtual reality and 3D modeling, for instance, offer tremendous potential for preoperative and intraoperative surgery. Furthermore, the Metaverse has the power to transform the way Urology and surgical procedures are learned, as well as how urological patients interact with specialists, such as through virtual consultations.
Our trip into Metaverse will begin by examining its potential benefits for patients. Specifically, we will explore virtual consultations and virtual offices, pain management, and rehabilitation. We will then shift our focus to urologists, investigating how the Metaverse can transform surgery planning, training, and education, particularly for young professionals and residents, and how Metaverse can help in research, for example, in virtual clinical trials. Metaverse can help keep urologists in touch one another, but it can give something more with virtual meetings. Finally, we will discuss about ethical considerations, as is important for healthcare professionals to consider the potential benefits and risks of this technology in Urology.
Methods
A non-systematic literature review identified recently published studies dealing with Metaverse. The database used for this review was PubMed, Google Scholar, and the identified studies served as the base for a narrative analysis of the literature that explored the use of Metaverse in Urology.
From telemedicine to virtual consultations and virtual offices
Telemedicine and virtual consultations are becoming increasingly important in healthcare, especially after the COVID-19 pandemic [5, 16], in which traditional visits became a risk for the patients. Besides, telemedicine has potential regardless the risk of disease transmission during hospital access, because it can enhance adherence to follow-up and speed-up controls at a lower cost [17,18,19].
In Urology, Metaverse can be used to create immersive virtual environments [13] where patients can interact with urologists in real time. This can be especially useful for patients who live in remote or rural areas and/or have difficulty accessing care. Urologists can enhance access to care, increase adherence to follow-up visits, and lower the risks associated with hospital access, such as the transmission of infections, by utilizing the Metaverse to revolutionize telemedicine and virtual consultations (Tables 1, 2, Fig. 1).
Virtual offices
There are various ways to create virtual offices, meeting the needs of both patients and doctors [13]. Depending on the patient's medical issue, different virtual offices can be created. For instance, if a patient has kidney stones, the office may feature informative material about the condition, including helpful advice and tips. Waiting rooms can be designed in a comparable manner, so that if patients have to wait for some time, they can be provided with an introduction to the relevant medical topic even before seeing the Urologist.
Holograms
Patient–doctor communication is fundamental for the curative process [43], even though explaining to the patient his medical condition can be a challenge sometimes. However, in the Metaverse, holograms can be utilized to provide a more comprehensive explanation of anatomical issues and potential solutions. The use of 3D organ models and holographic demonstrations can be beneficial in educating patients and addressing their concerns [7]. The Metaverse can be a valuable tool for patient education, as it enables them to virtually explore their anatomy and gain a better understanding of their medical condition and upcoming surgical procedures [23]. By reducing anxiety and enhancing patient satisfaction, the Metaverse can help improve patient outcomes.
Avatars
In cases of certain urological issues, patients may feel hesitant to describe their condition due to feelings of shyness or embarrassment (such as when discussing erectile dysfunction). Utilizing avatars may enhance communication between patients and doctors and facilitate the resolution of the most uncomfortable problems. Zepeto [44] is an excellent example of using avatars. It allows you to create your own avatar starting from a simple photograph. Thanks to artificial intelligence, your photo is processed, and you can then further personalize it [45].
Moreover, Metaverse can provide a platform for support groups and peer-to-peer counseling, allowing patients to connect with others who have experienced similar challenges and receive emotional support. The use of the Metaverse can also provide a space for patients to explore their treatment options and receive education about their condition, improving their overall health literacy and empowerment in decision-making.
Pain management
The present outbreak of opioid abuse [46, 47] has intensified the need to find reliable pain relief methods that do not involve opioids [48]. Pourmand et al. [6] showed that virtual reality can be used as a distraction technique to reduce pain and anxiety. Their evidence indicates that using virtual reality is effective as short-term solution for pain relief in acute and chronic pain. In Urology, a useful application of this method could be seen in chronic pelvic pain syndrome and bladder pain syndrome.
Studies [24,25,26,27,28] have shown that VR can effectively reduce pain, anxiety, and unpleasantness associated with chemotherapy, lumbar puncture, port access, blood draw, and intravenous placement. VR distraction was significantly better than standard care in reducing physiological arousal and pain ratings and it can decrease symptoms distress and perceived time spent receiving chemotherapy with higher satisfaction levels [29].
As the cost of VR systems has decreased in recent years [49], immersive VR is becoming a more common adjunct therapy and may soon allow for patient-controlled pain relief in outpatient settings (Tables 1, 2).
Rehabilitation
The success of rehabilitation is greatly influenced by emotional and psychological factors, and it is crucial for patients to feel comfortable and secure during therapy sessions. In this sense, Metaverse can provide a safe space, in which the patients can live immersive experiences that simulate real-world activities and environments, allowing them to practice activities of daily living and improve their functional abilities [13], practicing coping strategies and manage stress and anxiety [30] (Tables 1, 2).
Patients with urological conditions such as urinary incontinence and erectile dysfunction may experience psychological distress and anxiety related to their condition, which can impact their quality of life. Patients with urinary incontinence can use VR to practice pelvic floor muscle exercises [31, 50] and receive feedback on their performance, which can improve their bladder control and reduce their anxiety about incontinence. Similarly, patients with erectile dysfunction can use VR to practice relaxation techniques and mindfulness exercises to manage their anxiety and improve their sexual function [51]. Additionally, the Metaverse can provide a virtual environment for patients undergoing exposure therapy for sexual anxiety, allowing them to practice and build confidence in real-world scenarios [32].
Surgical planning and beyond
Surgical planning is a critical step of any surgical intervention, as it allows surgeons to visualize the anatomy and plan the procedure. In traditional surgical planning, doctors rely on 2D images, mainly CT scans and MRIs. However, these images do not provide a complete view of the patient's anatomy, making it challenging to plan complex surgical procedures.
Immersive three-dimensional experiences offered by VR platforms have been demonstrated to assist in diagnosis. In a Metaverse platform, surgeons would generate a 3D virtual representation of the patient's anatomy, offering a more comprehensive view. The 3D model can be manipulated in real time, exploring different approaches and making more informed decisions [7].
Moreover, the Metaverse can serve as a platform for simulating the surgical procedure, enabling doctors to practice in a virtual environment before the actual operation (Fig. 1). This method can assist doctors in detecting possible complications and enhancing their surgical technique [14], ultimately resulting in improved outcomes for patients (Tables 1, 2).
The implementation of Metaverse technology can bring benefits to surgery, not only for preoperative planning but also for intraoperative use. Augmented reality has proven to be a valuable asset in utilizing 3D data during surgery [15, 33,34,35,36,37, 52], particularly in Urology, where it can aid in accurately identifying surgical margins for procedures such as robotic-assisted partial nephrectomy or robotic-assisted radical prostatectomy [38]. Additionally, it can assist in minimizing the risk of complications by indicating the location of fragile structures, making it a useful tool for both the procedure and safety measures [37]. These new tools can bring surgery to a new frontier, that we call “Metaverse-assisted surgery.”
Education and training
The conventional approach in Medical School has been to study anatomy using atlases. While this method is steeped in tradition and the anatomical illustrations can be works of art, comprehending the intricacies of anatomy, particularly for intricate structures with a layered arrangement such as the heart, kidneys, and organ disposition in the abdomen, can be quite challenging. Moreover, it is often difficult for Medical Schools to organize cadaver sessions for both anatomy studying and surgery practice, due to availability and costs [13].
Metaverse can be used for immersive education and training experiences for medical students and professionals. Virtual reality has the advantage of immersing users in a learning environment that difficultly can be seen in reality, reaching a high level of active learning and personal presence [53].
By creating virtual surgeries, simulations, and interactive lectures, medical students and professionals can learn in a more engaging and interactive way. This can lead to better patient outcomes and improve the quality of care (Tables 1, 2).
Residents and surgical training
An immersive learning context can make high-skilled surgeons even before touching a real patient. In fact, it is known that virtual reality simulation could improve surgical skills both in general and in specific in vivo situations [8,9,10,11]. Dangerous or high-risk activities, such as difficult surgeries can be reproduced through virtual simulation environments [39], improving learning experience. Residents can learn how to perform a particular procedure from zero, in a complete start to end simulation (Fig. 1). Artificial Intelligence (AI) could introduce each time some element of variation, as it happens in real life with real patients, and simulate as well intraoperative complications. Some companies have already started to work in this sense (i.e., Osso VR) [54].
Research
With COVID-19 pandemic research had to face a new obstacle, leading to a slowdown in many areas, especially in clinical trials. FDA guidelines for the first time proposed alternative methods for collecting data (like phone contacts, virtual visits) [20, 55]. Additionally, prior to the pandemic, clinical trials were struggling with recruitment, data collection, and follow-up inefficiencies, resulting in increased costs and time [21]. Metaverse can be used for patient recruitment and retention in clinical trials, where patients can access and participate in virtual trials from anywhere in the world [20]. Virtual surveys, interviews, and patient feedback mechanisms are useful to collect this kind of data [21].
In Urology, a useful application of this method can be seen not only for clinical trials but also for collaborative research in multicenter studies, improving way of communication and sharing information and data (Tables 1, 2).
Virtual meetings
Meetings and congresses are always great occasions to connect with other colleagues from other centers, but sometimes it can be difficult to be present, due to cost and time problems.
Metaverse can reduce the need for travel and increase accessibility to meetings and conferences for urologists and other healthcare professionals [40]. Virtual conferences can be held in a virtual auditorium or conference center, allowing attendees to listen to talks, participate in discussions, and ask questions (Fig. 1).
Moreover, the Metaverse can be used to host virtual exhibitions, which can be designed to provide a 3D representation of the products, allowing attendees to interact with them in a more immersive way [56]. Urologists can use the metaverse to host virtual workshops, allowing attendees to participate in hands-on training and learn new skills. Virtual environments can be designed to simulate a laboratory or surgical suite, allowing attendees to practice procedures and techniques in a virtual setting [1].
Finally, Metaverse can also be used for continuing medical education, where urologists can earn continuing education credits by participating in virtual lectures and simulations (Tables 1, 2)
Ethics
As with any emerging technology, the use of the Metaverse in Urology raises ethical considerations. One important consideration is patient privacy and confidentiality. It is important to ensure that patient data are protected and secure, especially when using the Metaverse for telemedicine and virtual consultations. The informatics organization of the Metaverse working with blockchain could bring new ways of encrypting patient data and enforcing compliance to medical standards in practices and processes [22].
Non-fungible tokens (NFTs) could be a potential solution. NFTs are non-interchangeable unit of data, registered in a blockchain, that is used to record ownership of a digital asset [41, 42]. To enhance privacy, maintain data integrity, and preserve confidentiality in research endeavors, patient data such as medical histories, radiological, and laboratory examination results can be converted into NFTs through a process known as tokenization [22].
Another consideration is the potential for bias in the development and use of the Metaverse. It is important to ensure that the virtual environments and simulations accurately represent diverse patient populations and do not perpetuate harmful stereotypes or biases. Additionally, the use of the Metaverse in Urology raises questions about the appropriate use of technology in healthcare. It is important to consider the potential benefits and drawbacks of using the Metaverse for patient care, training, and research, and to ensure that the use of technology does not replace the human element of healthcare.
The integration of the Metaverse in the field of Urology poses concerns regarding the affordability and availability of healthcare services. Although the use of the Metaverse can enhance access to care for patients residing in remote or rural regions, it is vital to ensure that the cost of care remains reasonable and accessible for all patients.
In conclusion, it is crucial to contemplate the ethical implications of employing the Metaverse in the field of Urology and guarantee that its application aligns with the principles of medical ethics, such as respect for patient autonomy, beneficence, non-maleficence, and justice.
Conclusions
The use of Metaverse in healthcare, and specifically in Urology, has enormous potential to revolutionize patient care, pain management, rehabilitation, educations and training, surgical practice, and research. With the ability to create immersive virtual environments, Metaverse can significantly enhance access to care, improve patient outcomes, and promote patients’ well-being in a way never explored before.
Virtual consultations allow patients to interact with urologists in real time, regardless of their location, and offer new ways to obtain detailed information about their condition, such as through hologram and 3D representation. With the help of virtual reality, the Metaverse has the potential to alleviate pain and anxiety related to urological conditions, such as bladder pain syndrome, and improve adherence to therapy, for example, by guiding patients through pelvic floor muscle training.
Immersive training and education experiences are another area where VR can be highly beneficial for urology students and professionals. The Metaverse offers a safe environment where they can practice at their own pace, which can enhance their learning experience. In the operating room, the Metaverse can be used both preoperatively, with 3D modeling and virtual simulations, and intraoperatively, with the assistance of AR and AI.
Virtual meetings and conferences can also be conducted in the Metaverse, making it a versatile and flexible tool for urology professionals. Additionally, even the research field can benefit from the Metaverse, thanks to virtual clinical trials.
However, as with any emerging technology, ethical considerations must be considered when using Metaverse in Urology. Therefore, it is important to approach its use thoughtfully, carefully consider the benefits and potential risks, and develop responsible policies and practices.
Overall, the Metaverse has the potential to transform the way urology professionals approach patient care, training, and surgery, and will undoubtedly play a significant role in shaping the future of the field.
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GRa contributed to project development, data collection, writing, and editing. GRe and FC were involved in data collection and writing. MI, GB, GN, and FDM were involved in project development and supervision. FZ performed ideation, editing, and supervision.
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Randazzo, G., Reitano, G., Carletti, F. et al. Urology: a trip into metaverse. World J Urol 41, 2647–2657 (2023). https://doi.org/10.1007/s00345-023-04560-3
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DOI: https://doi.org/10.1007/s00345-023-04560-3