How can virtual reality help in palliative care?

The World Health Organisation (WHO) defines palliative care as "an approach that improves the quality of life of patients and their families in the face of problems associated with life-threatening illness, through prevention and relief of suffering", as well as being a "support system to help patients live as actively as possible until death" [1].

The symptoms exhibited by people undergoing palliative care are many and affect them differently from person to person. However, there are several that are common to most patients.

Pain is the most common symptom of concern for both the patient and the family [2]. Similarly, a large percentage report a slow perception of time [3,4], which leads to boredom, hopelessness, aversion, low interest in others and things and anhedonia [4], which at the same time leads to a depressed mood and more negative appraisals of the patient's quality of life [4].

Some indicators of what can be considered a successful adaptation for the person are: staying active in daily tasks; trying to minimise the impact of the disease on daily roles (e.g. partner, parent, employee) or trying to regulate habitual emotions during the disease [4].

This is why therapeutic interventions at this stage are focused on giving importance to emotions and relying on non-pharmacological treatments. Among the most common are music therapy [5, 6, 7], massage [7, 8, 9, 10, 11, 12], television distraction [13], hypnosis [14], behavioural therapy [14] and, recently, virtual reality therapies [14].

While traditional distraction techniques are still useful, technological advances in the field of virtual reality have shown great benefits in pain relief [15, 16, 17]. The more immersive the VR experience [16] and the more meaningful the environment is to the patient [17], the greater the benefits.

As always, we are interested in hearing what patients think after trying these new treatments. And in this case, patients report a 20-100% reduction in pain [18] and say they enjoy the experience and want to repeat it [18], which leads to an increase in patient engagement with the therapy, an increase in the previously mentioned interest in performing activities.

In addition, they describe it as a meaningful, entertaining and satisfying experience [19] with no side effects [18]. Patients especially recommend it for its distraction and relaxation [19].

In short, we have seen that a large percentage of people undergoing palliative care express fear of pain, an aspect that virtual reality has shown to have the capacity to reduce their perception.

Likewise, it has also shown improvements in common symptoms such as boredom, lack of interest in things and lack of enjoyment. Therefore, as these symptoms lead to a negative assessment of quality of life, virtual reality could be presented as a tool capable of improving the perceived quality of life of these patients.



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17. Niki, K., Okamoto, Y., Maeda, I., Mori, I., Ishii, R., Matsuda, Y., Takagi, T., Uejima, E. (2019). A novel palliative care approach using virtual reality for improving various symptoms of terminal cancer patients: a preliminary prospective, multicenter study. Journal of palliative medicine. doi: 10.1089/jpm.2018.0527

18. Prema-Forrest, L. (2017). Unlocking the potential of virtual reality in palliative care. BMJ Supportive & Palliative care 7(2): A22. Doi: 10.1136/bmjspcare-2017-hospice.61

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