Virtual Reality for Management of Pain in Hospitalized Patients: Results of a Controlled Trial

Enhancing patient well-being in oncology waiting rooms: a pilot field experiment on the emotional impact of virtual forest therapy

Introduction

This study explores the emotional impact of virtual forest therapy delivered through audio-visual recordings shown to patients in the oncology waiting rooms, focusing on whether simulated forest walks can positively influence patients' emotional states compared to traditional waiting room stimuli.

Methods

The study involved 117 participants from a diverse group of oncology patients in the outpatient clinic waiting room at the Masaryk Memorial Cancer Institute. Using a partially randomized controlled trial design, the study assessed basic emotional dimensions-valence and arousal-as well as specific psychological states such as thought control, sadness, anxiety, and pain. This assessment used the Self-Assessment Manikin and the modified Emotional Thermometer before and after participants watched three video types (forest, sea, news). Baseline stress levels were measured using the Kessler Psychological Distress Scale (K6).

Results

Participants exposed to forest and sea videos reported significant improvements in emotional valence and reduced arousal, suggesting a calming and uplifting effect. No significant changes were observed in the control and news groups. Secondary outcomes related to anxiety, sadness, and pain showed no significant interaction effects, though small but significant main effects of time on these variables were noted.

Discussion

The findings suggest that videos of forest and sea can be a beneficial intervention in the oncology waiting rooms by enhancing patients' emotional well-being. This pilot study underscores the potential for integrating virtual mental health support elements into healthcare settings to improve patient care experience.

A novel psychosocial virtual reality intervention (BMT-VR) for patients undergoing hematopoietic stem cell transplantation: Pilot randomized clinical trial design and methods

BACKGROUND

Although patients undergoing hematopoietic stem cell transplantation (HSCT) must cope with psychological distress and isolation during an extended transplant hospitalization, psychosocial interventions to address these unmet needs are lacking. Virtual reality offers an innovative modality to deliver a patient-centered psychosocial intervention to address psychosocial needs of patients undergoing HSCT. However, there are currently no supportive care interventions leveraging virtual reality in patients undergoing HSCT.

OBJECTIVE

To describe the methods of a randomized clinical trial (RCT) to assess the feasibility and preliminary efficacy of a self-administered, virtual reality-delivered psychosocial intervention (BMT-VR) to improve psychological distress and quality of life (QOL) for patients hospitalized for HSCT.

METHODS

This study entails a single-center RCT of BMT-VR compared to usual transplant care in 80 patients hospitalized for HSCT. Adult patients with hematologic malignancies hospitalized for autologous or allogeneic HSCT are eligible. BMT-VR includes psychoeducation about the HSCT process, psychosocial skill building to promote effective coping and acceptance, and self-care and positive psychology skills to promote post-HSCT recovery. The primary aim is to assess the feasibility defined a priori as ≥60% of eligible patients enrolling in the study, and of those enrolled and randomized to the BMT-VR, ≥ 60% completing 4/6 BMT-VR modules. Secondary objectives include assessing the preliminary effects on psychological distress and QOL.

DISCUSSION

This is the first RCT of a virtual reality-delivered psychosocial intervention for the HSCT population. If deemed feasible, a future larger multi-site clinical trial can evaluate the efficacy of BMT-VR on outcomes for patients hospitalized for HSCT.

Application of immersive virtual reality in the training of wheelchair boxers: evaluation of exercise intensity and users experience additional load- a pilot exploratory study

BACKGROUND

Over the last few years, there has been a growing interest in workout apps and active virtual reality video games (AVRGs), which provide entertainment and enable users to undertake various forms of physical activity (PA) at home. Presumably, these types of exercises can be particularly useful for people with physical disabilities, who experience problems with access to sports and leisure facilities due to architectural and communication barriers. However, it is interesting whether the intensity of PA in VR is high enough to provide users with health benefits, as it is mainly based on arm movements.

OBJECTIVE

The main aim of the study was to evaluate the intensity of physical exercise of wheelchair boxers during a boxing training session using the FitXR app in immersive VR in light of health-related PA recommendations. The effect of Velcro-fastened hand-held weights (HHWs) on the intensity of PA undertaken by people in VR was also examined, and the attractiveness of virtual exercise were assessed in the opinion of users.

METHODS

PA intensity was evaluated using a heart rate monitor based on the percentage of maximal heart rate (% HRmax) and the Borg's rating of perceived exertion (RPE 6-20). The attractiveness perceived during exercise by users were evaluated using the Physical Activity Enjoyment Scale (PACES 1-7 scale).

RESULTS

The study shows that the exercise intensity of the athletes during wheelchair boxing training in VR is at a beneficial moderate level for health (HRave=68.98% HRmax). The use of HHWs (0.5 kg) does not significantly increase the PA intensity of the individuals during virtual exercise. Users with disabilities highly rated the attractiveness (6.32 ± 0.79 points) of PA during virtual boxing training.

CONCLUSIONS

Boxing exercises in VR can be an attractive and health-related form of PA for wheelchair boxers and a supplement to their conventional training.

Virtual Reality Distraction for Reducing Acute Postoperative Pain After Hip Arthroplasty: A Randomized Trial

BACKGROUND

Relaxation and distraction provided by virtual reality presentations might be analgesic and reduce the need for opioid analgesia. We tested the hypothesis that a virtual reality program (AppliedVR) decreases acute postoperative pain and opioid requirements in patients recovering from hip arthroplasty. We also evaluated whether virtual reality distraction improves patient mobility and reduces the need for antiemetics.

METHODS

We evaluated 106 adults who were recovering from elective primary total hip arthroplasty. Participating patients were randomized to 2- to 8-minute-long 3-dimensional immersive virtual reality relaxation and distraction video presentations (eg, guided breathing exercises, games, mindfulness) or to 2-dimensional presentations of nature short films (eg, forest wildlife) with neutral music that was chosen to be neither overly relaxing nor distracting, presented through identical headsets. Our primary outcome was pain after virtual reality or sham video presentations, adjusted for pretreatment scores. Secondary outcomes included total opioid consumption, pain scores obtained per routine by nurse staff, perception of video system usability, and pain 1 week after hospital discharge.

RESULTS

Fifty-two patients were randomized to virtual reality distraction and relaxation, and 54 were assigned to 2-dimensional sham presentations. Virtual reality presentations were not found to affect pain scores before and after presentations, with an estimated difference in means (virtual reality minus sham video) of -0.1 points (95% confidence interval [CI], -0.5 to 0.2; P = .391) on a 0 to 10 scale, with 10 being the worst. The mean (standard error [SE]) after-intervention pain score was estimated to be 3.4 (0.3) in the virtual reality group and 3.5 (0.2) in the reference group. Virtual reality treatment was not found to affect postoperative opioid consumption in morphine milligram equivalents, with an estimated ratio of geometric means (virtual reality/sham video) of 1.2 (95% CI, 0.6-2.1; P = .608). Virtual reality presentations were not found to reduce pain scores collected every 4 hours by nursing staff, with an estimated difference in means of 0.1 points (95% CI, -0.9 to 0.7; P = .768).

CONCLUSIONS

We did not observe statistically significant or clinically meaningful reductions in average pain scores or opioid consumption. As used in our trial, virtual reality did not reduce acute postoperative pain.

Postoperative virtual reality for recovery after bariatric surgery: study protocol for a randomised clinical trial

Background

Enhanced Recovery After Surgery (ERAS) protocols for bariatric surgery improve clinical outcomes. However, the impact of ERAS protocols on patient satisfaction is unknown. Virtual reality has been implemented as an effective adjunct to standard analgesic regimens. This study seeks to find out if immersive virtual reality in the immediate postoperative period could improve the subjective quality of recovery and further reduce opioid requirements for bariatric surgery patients compared with ERAS care alone.

Methods

This is a single-centre, randomised clinical trial of patients recovering from laparoscopic bariatric surgery. Once in the post-anaesthesia care unit (PACU), participants will receive either an immersive virtual reality plus ERAS protocol or ERAS protocol alone. The primary outcome will be the Quality of Recovery-15 (QoR-15) score at PACU discharge. Secondary outcomes include PACU opioid requirements, length of PACU stay, PACU pain scores, QoR-15 score on postoperative day 1, hospital length of stay, opioid requirements, and opioid-related adverse effects until hospital discharge.

Conclusions

Positive findings from this study could introduce virtual reality as a non-pharmacological adjunct during PACU care that improves subjective recovery for patients undergoing bariatric surgery.

Clinical trial registration

NCT04754165.

Use of Perioperative Virtual Reality Experiences on Anxiety and Pain: A Randomized Comparative Trial

OBJECTIVE

To evaluate the effect of different virtual reality (VR) experiences on perioperative anxiety and pain among patients undergoing head and neck surgery.

METHODS

Prospective, randomized, comparative trial among patients undergoing outpatient head and neck surgery from December 2021 to April 2022 at a single academic institution. Group 1 utilized a preoperative VR gaming experience and a postoperative VR mindfulness experience, while Group 2 utilized the same interventions in the reverse order. Anxiety and pain were measured using visual analog scales (VAS). Primary outcomes were changes in post-intervention anxiety and pain. Secondary outcomes included vital sign changes and subjective patient experiences using a 5-point Likert scale.

RESULTS

There were 32 patients randomized for inclusion, with 16 patients per group. The majority of patients were female (65.6%) and mean (standard deviation) age was 47.3 (16.7) years. After outlier exclusion, there were no differences in post-intervention preoperative anxiety reduction (Group 1 vs. Group 2, median [IQR]: -12.0 [15] vs. -10.5 [13], p = 0.62). There were minor differences in vital sign changes (p < 0.05). Among the 10 patients in Group 1 and 12 patients in Group 2 who completed postoperative VR use, there were no differences in post-intervention pain reduction (-8.5 [22.3] vs. -7.5 [19.3], p = 0.95) or vital sign changes (p > 0.05). There were no differences in questionnaire responses, with high satisfaction in both groups (p > 0.05). No adverse events encountered.

CONCLUSIONS

Use of different VR experiences among patients undergoing outpatient head and neck surgery appears associated with similar reductions in perioperative anxiety and pain.

LEVEL OF EVIDENCE

2 Laryngoscope, 134:1197-1202, 2024.

Effect of Virtual Reality Glasses Application on Pain, Anxiety, and Patient Satisfaction During a Transrectal Prostate Biopsy: A Randomized Controlled Trial

BACKGROUND

This study aims to determine the effect of virtual reality glasses application on pain, anxiety, and patient satisfaction during a transrectal prostate biopsy.

MATERIALS AND METHODS

The study was conducted with pre-tests, post-tests, and a control group, using a randomized controlled experimental research design. A total of 70 patients (35 in the intervention group and 35 in the control group) were included in the study. The intervention group watched a video with virtual reality glasses during the biopsy process. A Descriptive Information Form, State-Trait Anxiety Inventory (STAI-I, STAI-II), Scale of Patient Perception of Hospital Experience with Nursing Care (PPHEN), and Visual Analog Scale for Pain (VAS) were used for data collection. To evaluate the data, numbers, percentages, mean, standard deviation, chi-square, paired sample t test, independent samples t test, regression analysis, and Cronbach's alpha Reliability Coefficient were used.

RESULTS

There was no significant difference between the groups in terms of descriptive and clinical characteristics (p > .05). The mean VAS and STAI post-test scores of the patients in the intervention group were lower than the control group, and the difference between them was statistically significant (p < .05). The mean PPHEN post-test scores of the patients in the intervention group were significantly higher than those in the control group (p < .05).

CONCLUSION

The application of virtual reality glasses during a transrectal prostate biopsy significantly reduced the level of pain and anxiety and increased patient satisfaction.

Preoperative Virtual Reality to Expose Patients With Breast Cancer to the Operating Room Environment: Feasibility and Pilot Case Series Study

BACKGROUND

Clinically elevated preoperative distress and anxiety are common among patients undergoing cancer surgery. Preoperative interventions have been developed to mitigate this distress and anxiety but are inconsistent in efficacy and feasibility for broad implementation.

OBJECTIVE

This preliminary pilot study aims to assess the feasibility and utility of a newly developed virtual reality (VR) intervention to expose patients awaiting breast cancer surgery to the operating room environment and a simulation of anesthetic induction.

METHODS

Patients undergoing breast cancer surgery (N=7) were assigned to the VR intervention or control (treatment as usual) group and completed self-report measures of distress and anxiety before surgery, on the day of surgery, and after surgery (5 and 30 d postoperatively). Those in the intervention group trialed the VR simulation 1 to 2 weeks preoperatively and provided qualitative and quantitative feedback. We assessed the feasibility of recruitment capability and study design and evaluated participants' impressions of the intervention using self-report rating scales and open-ended questions. We also descriptively examined distress and anxiety levels throughout the duration of the study.

RESULTS

Recruitment occurred between December 2021 and December 2022 and progressed slowly (rate: 1 participant/7 wk on average; some hesitancy because of stress and being overwhelmed). All participants who consented to participate completed the entire study. All participants were female and aged 56 (SD 10.56) years on average. In total, 57% (4/7) of the participants were assigned to the intervention group. On average, intervention participants spent 12 minutes engaged in the VR simulation. In general, the intervention was rated favorably (eg, clear information, enjoyable, and attractive presentation; mean% agreement 95.00-96.25, SD 4.79-10.00) and as helpful (mean% agreement 87.50, SD 25.00). Participants described the intervention as realistic (eg, "It was realistic to my past surgical experiences"), impacting their degree of preparedness and expectations for surgery (eg, "The sounds and sights and procedures give you a test run; they prepare you for the actual day"), and having a calming or relaxing effect (eg, "You feel more relaxed for the surgery").

CONCLUSIONS

This preoperative VR intervention demonstrated preliminary feasibility among a sample of patients undergoing breast cancer surgery. Results and participant feedback will inform modifications to the VR intervention and the study design of a large-scale randomized controlled trial to examine the efficacy of this intervention.

TRIAL REGISTRATION

ClinicalTrials.gov NCT04544618; https://clinicaltrials.gov/study/NCT04544618.

Virtual Reality Improves Symptoms of Functional Dyspepsia: Results of a Randomized, Double-Blind, Sham-Controlled, Pilot Study

INTRODUCTION

We investigated the efficacy and safety of virtual reality (VR) for functional dyspepsia.

METHODS

Patients were randomized 2:1 between active vs sham VR. Symptoms were assessed using the Patient Assessment of Gastrointestinal Disorders-Symptom Severity Index (PAGI-SYM) over 2-week.

RESULTS

Patients in the active VR group had greater numerical improvement in PAGI-SYM scores (mean difference -0.7; P < 0.001) compared with sham VR (mean difference -0.4; P = 0.032). Active VR led to significant improvements for all PAGI-SYM subscales, except lower abdominal pain, whereas sham only improved heartburn/regurgitation and nausea/vomiting. Half of the total patients reported nonserious adverse effects, although only 1 patient withdrew from the study because of adverse effects.

DISCUSSION

VR is safe and results in significant symptom improvement in functional dyspepsia. Larger trials are warranted.

Global Scientific Trends in Virtual Reality for Pain Treatment From 2000 to 2022: Bibliometric Analysis

Background

Virtual reality (VR) is a computer simulation technique that has been increasingly applied in pain management over the past 2 decades.

Objective

In this study, we used bibliometrics to explore the literature on VR and pain control, with the aim of identifying research progress and predicting future research hot spots.

Methods

We extracted literature on VR and pain control published between 2000 and 2022 from the Web of Science Core Collections and conducted bibliometric analyses. We analyzed the publication and citation trends in the past 2 decades, as well as publication and citation analyses of different countries, institutions, journals, and authors. For references, we conducted cocitation and burst analyses. For keywords, we conducted co-occurrence, clustering, timeline view, and citation burst analyses.

Results

Based on 1176 publications, we found that there was a continuous increase in publication and citation volumes, especially in the last 5 years. The United States was the most representative country, and the University of Washington was the most representative institution, with both having the most publications and citations. The most popular journal in this field was Burns, and Hoffman HG was the most productive author, leading many studies on patients with burn pain. The reference with the most citation burst was a study on the verification of new hardware in pain control. The keywords with the highest citation bursts related to various situations of pain such as "burn pain," "wound care," "low back pain," and "phantom limb."

Conclusions

VR has been applied in various clinical situations for pain management, among which burns and pediatric surgery have achieved satisfactory results. We infer that VR will be extended to more clinical pain situations in the future, such as pain control in wound care, low back pain, and phantom limb pain. New research hot spots will include the development of software and hardware to improve the immersive experience of VR for pain control. However, our work was based solely on English literature from the Web of Science database. For future studies, we recommend that researchers explore literature from multiple databases to enhance the scope of their research.

Designing and developing a nature-based virtual reality with heart rate variability biofeedback for surgical anxiety and pain management: evidence from total knee arthroplasty patients

OBJECTIVES

Total knee arthroplasty (TKA) is one of the most common joint surgeries, with over a million procedures performed annually in the US. Over 70% of patients report moderate to high pain and anxiety surrounding TKA surgery, and 96% are discharged with an opioid prescription. This population requires special attention as approximately 90% of TKA patients are older adults and one of the riskiest groups prone to misusing opioids. This study aimed to develop and compare the efficacy of nature-based virtual reality (VR) with heart rate variability biofeedback (HRVBF) to mitigate surgical pain and anxiety.

METHODS

This randomized control trial recruited 30 patients (mean age = 66.3 ± 8.2 years, 23 F, 7 M) undergoing TKA surgery and randomly assigned to a control, 2D video with HRVBF, or VR with HRVBF group. A visual analog scale (VAS) was used to measure pain levels before and after the intervention. In addition, a second VAS and the State-Trait Anxiety Inventory (STAI) were used to measure anxiety before and after the intervention. Electrocardiogram (ECG) was used to continuously measure HRV and respiration rate in preoperative and postoperative settings.

RESULTS

VR and 2D-video with HRVBF decreased pain and anxiety post-intervention compared with the control group, p's <.01. On analyzing physiological signals, both treatment groups showed greater parasympathetic activity levels, and VR with HRVBF reduced pain more than the 2D video, p < .01.

CONCLUSIONS

Nature-based VR and 2D video with HRVBF can mitigate surgical pain and anxiety. However, VR may be more efficacious than 2D video in reducing pain.

Creating Custom Immersive 360-Degree Videos for Use in Clinical and Nonclinical Settings: Tutorial

The use of virtual reality (VR) stimulation in clinical settings has increased in recent years. In particular, there has been increasing interest in the use of VR stimulation for a variety of purposes, including medical training, pain therapy, and relaxation. Unfortunately, there is still a limited amount of real-world 360-degree content that is both available and suitable for these applications. Therefore, this tutorial paper describes a pipeline for the creation of custom VR content. It covers the planning and designing of content; the selection of appropriate equipment; the creation and processing of footage; and the deployment, visualization, and evaluation of the VR experience. This paper aims to provide a set of guidelines, based on first-hand experience, that readers can use to help create their own 360-degree videos. By discussing and elaborating upon the challenges associated with making 360-degree content, this tutorial can help researchers and health care professionals anticipate and avoid common pitfalls during their own content creation process.

Virtual reality reduces anxiety and pain in acute hospital palliative care: service evaluation

OBJECTIVES

Virtual reality (VR) might improve symptom management, but there is limited evidence regarding VR in palliative care. We evaluated the feasibility of VR and impact on anxiety and pain for patients in a hospital palliative care consultation service.

METHODS

Patients referred to a hospital specialist palliative care team, with anxiety or pain, were offered a VR intervention (a short audiovisual experience). Participants rated anxiety and pain on a 0-10 Likert severity scale pre intervention/post intervention and completed an evaluation form. Change in symptom scores was analysed by parametric statistics.

RESULTS

28 participants used VR a total of 42 times with no adverse events. Mean pain score reduced by 29% from 4.10 (SD=2.71) pre intervention to 2.93 (SD=2.45) post intervention (t(27)=5.150, p<0.001). Mean anxiety scores reduced by 40% from 4.43 (SD=2.56) to 2.65 (SD=2.24) (t(27)=5.058, p<0.001). Patients rated the experience on average 4.75/5 and all would recommend use to a friend. VR was described as absorbing and relaxing.

CONCLUSION

VR may improve anxiety and pain and was acceptable in this setting. Large-scale evaluation will generate important data on feasibility and implementation.

Adjunctive virtual reality pain relief after traumatic injury: a proof-of-concept within-person randomized trial

ABSTRACT

In this study, we hypothesized that immersive virtual reality (VR) environments may reduce pain in patients with acute traumatic injuries, including traumatic brain injuries. We performed a randomized within-subject study in patients hospitalized with acute traumatic injuries, including traumatic brain injury with moderate pain (numeric pain score ≥3 of 10). We compared 3 conditions: (1) an immersive VR environment (VR Blu), (2) a content control with the identical environment delivered through nonimmersive tablet computer (Tablet Blu), and (3) a second control composed of donning VR headgear without content to control for placebo effects and sensory deprivation (VR Blank). We enrolled 60 patients, and 48 patients completed all 3 conditions. Objective and subjective data were analyzed using linear mixed-effects models. Controlling for demographics, baseline pain, and injury severity, we found differences by conditions in relieving pain (F 2,75.43 = 3.32, P = 0.042). VR Blu pain reduction was greater than Tablet Blu (-0.92 vs -0.16, P = 0.043), but VR Blu pain reduction was similar to VR Blank (-0.92 vs -1.24, P = 0.241). VR Blu was perceived as most effective by patients for pain reduction (F 2,66.84 = 16.28, P < 0.001), and changes in measures of parasympathetic activity including heart rate variability (F 2,55.511 = 7.87, P < 0.001) and pupillary maximum constriction velocity (F 2,61.41 = 3.50, 1-tailed P = 0.038) echoed these effects. There were no effects on opioid usage. These findings outlined a potential clinical benefit for mollifying pain related to traumatic injuries.

Augmented Reality for Perioperative Anxiety in Patients Undergoing Surgery: A Randomized Clinical Trial

Importance

Both augmented reality (AR) and virtual reality (VR) have had increasing applications in medicine, including medical training, psychology, physical medicine, rehabilitation, and surgical specialties, such as neurosurgery and orthopedic surgery. There are little data on AR's effect on patients' anxiety and experiences.

Objective

To determine whether the use of an AR walkthrough effects patient perioperative anxiety.

Design, Setting, and Participants

This randomized clinical trial was conducted at an outpatient surgery center in 2021 to 2022. All patients undergoing elective orthopedic surgery with the senior author were randomized to the treatment or control group. Analyses were conducted per protocol. Data analysis was performed in November 2022.

Intervention

AR experience explaining to patients what to expect on their day of surgery and walking them through the surgery space. The control group received the standard educational packet.

Main Outcomes and Measures

The main outcome was change in State-Trait Anxiety Inventory (STAI) from the screening survey to the preoperative survey.

Results

A total of 140 patients were eligible, and 45 patients either declined or were excluded. Therefore, 95 patients (63 [66.3%] male; mean [SD] age, 38 [16] years) were recruited for the study and included in the final analysis; 46 patients received the AR intervention, and 49 patients received standard instructions. The AR group experienced a decrease in anxiety from the screening to preoperative survey (mean score change, -2.4 [95% CI, -4.6 to -0.3]), while the standard care group experienced an increase (mean score change, 2.6 [95% CI, 0.2 to 4.9]; P = .01). All patients postoperatively experienced a mean decrease in anxiety score compared with both the screening survey (mean change: AR, -5.4 [95% CI, -7.9 to -2.9]; standard care, -6.9 [95% CI, -11.5 to -2.2]; P = .32) and preoperative survey (mean change: AR, -8.0 [95% CI, -10.3 to -5.7]; standard care, -4.2 [95% CI, -8.6 to 0.2]; P = .19). Of 42 patients in the AR group who completed the postoperative follow-up survey, 30 (71.4%) agreed or strongly agreed that they enjoyed the experience, 29 (69.0%) agreed or strongly agreed that they would recommend the experience, and 28 (66.7%) agreed or strongly agreed that they would use the experience again. No differences were observed in postoperative pain levels or narcotic use.

Conclusions and Relevance

In this randomized clinical trial, the use of AR decreased preoperative anxiety compared with traditional perioperative education and handouts, but there was no significant effect on postoperative anxiety, pain levels, or narcotic use. These findings suggest that AR may serve as an effective means of decreasing preoperative patient anxiety.

Trial Registration

ClinicalTrials.gov Identifier: NCT04727697.

Effects of virtual reality on preoperative anxiety in children: A systematic review and meta-analysis of randomised controlled trials

AIMS

To synthesise and evaluate the effectiveness of virtual reality interventions in preoperative children.

BACKGROUND

Children consider operations as a predictable threat and stressful event. Children's anxiety before an operation increases as the time draws closer. Children could understand the operating room environment and process before the operation using virtual reality, which may reduce their anxiety before an operation.

DESIGN

A systematic review and meta-analysis of randomised controlled trials following the Cochrane method were conducted.

METHOD

CINAHL, Cochrane Library, Embase, Joanna Briggs Institute, MEDLINE and PubMed databases were searched for randomised controlled trials published before February 2021. A random-effects model meta-analysis to calculate pooled prevalence and 95% confidence intervals was performed. Conduction of the review adheres to the PRISMA checklist.

RESULTS

Of 257 articles screened, six interventions involving 529 participants aged 4-12 years were included in the analysis. All study evidence levels were B2/Level 2, the quality was medium to high on the modified Jadad scale, with a low risk of bias. The results revealed that virtual reality significantly reduced preoperative anxiety in children (SMD: -0.91, 95% CI: -1.43 to -0.39, p = .0006). Furthermore, virtual reality significantly improved children's compliance with anaesthesia (SMD: 3.49, 95% CI: 1.32 to 9.21, p = .01).

CONCLUSION

Children who used virtual reality before an operation felt more familiar with the operating room environment and understood the preoperative preparation procedures. Virtual reality effectively reduced children's anxiety and improved their compliance with anaesthesia.

RELEVANCE TO CLINICAL PRACTICE

This systematic review and meta-analysis investigated the effect of virtual reality on preoperative anxiety in children and the findings supported its positive effects. The results could provide a reference for incorporating virtual reality into preoperative preparation guidelines.

A systematic review: Virtual-reality-based techniques for human exercises and health improvement

Virtual Reality (VR) has emerged as a new safe and efficient tool for the rehabilitation of many childhood and adulthood illnesses. VR-based therapies have the potential to improve both motor and functional skills in a wide range of age groups through cortical reorganization and the activation of various neuronal connections. Recently, the potential for using serious VR-based games that combine perceptual learning and dichoptic stimulation has been explored for the rehabilitation of ophthalmological and neurological disorders. In ophthalmology, several clinical studies have demonstrated the ability to use VR training to enhance stereopsis, contrast sensitivity, and visual acuity. The use of VR technology provides a significant advantage in training each eye individually without requiring occlusion or penalty. In neurological disorders, the majority of patients undergo recurrent episodes (relapses) of neurological impairment, however, in a few cases (60-80%), the illness progresses over time and becomes chronic, consequential in cumulated motor disability and cognitive deficits. Current research on memory restoration has been spurred by theories about brain plasticity and findings concerning the nervous system's capacity to reconstruct cellular synapses as a result of interaction with enriched environments. Therefore, the use of VR training can play an important role in the improvement of cognitive function and motor disability. Although there are several reviews in the community employing relevant Artificial Intelligence in healthcare, VR has not yet been thoroughly examined in this regard. In this systematic review, we examine the key ideas of VR-based training for prevention and control measurements in ocular diseases such as Myopia, Amblyopia, Presbyopia, and Age-related Macular Degeneration (AMD), and neurological disorders such as Alzheimer, Multiple Sclerosis (MS) Epilepsy and Autism spectrum disorder. This review highlights the fundamentals of VR technologies regarding their clinical research in healthcare. Moreover, these findings will raise community awareness of using VR training and help researchers to learn new techniques to prevent and cure different diseases. We further discuss the current challenges of using VR devices, as well as the future prospects of human training.

Virtually Augmented Self-Hypnosis in Peripheral Vascular Intervention: A Randomized Controlled Trial

PURPOSE

Hypnosis is useful for diminishing distress during medical procedures. This study investigated the efficacy of virtually augmented self-hypnosis as an adjunctive non-pharmacological method for procedural pain and anxiety relief during endovascular interventions (EVI).

METHODS

We compared an immersive distraction experience (clinicaltrials.gov identifier NCT04561596) featuring virtual reality (VR) using a head-mounted display versus treatment as usual (TAU). Patients followed the "Aqua" module (Oncomfort™) consisting of a scuba dive and breathing exercises. They experienced a self-induced dissociative state similar to clinical hypnosis without direct intervention of a professional. Enrollment followed a 1:1 randomized open study (VR or TAU). Patients' feelings were evaluated just before and after the procedure, and 3 months following intervention. Anxiety was evaluated using the State Trait Anxiety Inventory (STAI) and pain (sensory, emotional, and memory) with a visual analogue scale (VAS).

RESULTS

This study included 100 patients. Mean anxiety (pre-post) was significantly reduced within groups and between groups (difference of 4.2 points, p = 0.016). The percentage of responders to anxiety lowering were 76 and 46% for VR and TAU, respectively (p = 0.004). The two groups did not significantly differ in mean sensory-intensity and affective emotional pain (pre-post) using VAS, in negative memories concerning remembered pain at 3 months (difference > 1 from immediate post-procedural reported pain intensity), mean procedural time, or the need for analgesic or sedative drugs.

CONCLUSIONS

VR self-hypnosis has the potential to improve the management of patients' distress during radiological procedures. It is safe and effective for reducing anxiety during EVI.

Virtual Reality: A New Treatment Paradigm for Disorders of Gut-Brain Interaction?

Disorders of gut-brain interaction (DGBIs), previously called functional bowel disorders, are prevalent, reduce patients' quality of life, and impose a significant negative economic impact on the health care system. Functional dyspepsia and irritable bowel syndrome (IBS) are 2 of the most common DGBIs. An overlying, and in many cases unifying, symptom for many of these disorders is the presence of abdominal pain. Chronic abdominal pain can be difficult to treat, as many antinociceptive agents are associated with side effects that limit their use and other agents may only partially improve, but not completely relieve, all aspects of the pain. Novel therapies to alleviate chronic pain and the other symptoms that characterize DGBIs are thus needed. Virtual reality (VR), a technology that immerses patients in a multisensory experience, has been shown to relieve pain in burn victims and other instances of somatic pain. Two recent novel studies have demonstrated that VR has the potential to play an important role in the treatment of functional dyspepsia and IBS. This article examines the development of VR, its role in the treatment of somatic and visceral pain, and its potential position in the treatment of DGBIs.

Feasibility and acceptability of perioperative application of biofeedback-based virtual reality versus active control for pain and anxiety in children and adolescents undergoing surgery: protocol for a pilot randomised controlled trial

INTRODUCTION

Current clinical applications of virtual reality (VR) provide patients with transient pain relief during acutely painful events by redirecting attention. Biofeedback (BF) is a mind-body therapy that effectively produces sustained pain reduction, but there are obstacles to its routine use. Combined, BF-based VR (VR-BF) may increase accessibility while enhancing the benefits of BF. VR-BF has yet to be employed in perioperative care, and as such, no defined treatment protocol for VR-BF exists. The primary aim of this study is to assess the feasibility of the perioperative use of VR-BF in children and adolescents. The secondary aims are to assess the acceptability of VR-BF and to collect pilot efficacy data.

METHODS AND ANALYSIS

This is a single-centre, randomised controlled pilot clinical trial. A total of 70 patients (12-18 years) scheduled for surgery anticipated to cause moderate to severe pain with ≥1 night of hospital admission will be randomised to one of two study arms (VR-BF or control). Participants randomised to VR-BF (n=35) will use the ForeVR VR platform to engage their breathing in gamified VR applications. Participants randomised to control (n=35) will interact with a pain reflection app, Manage My Pain. The primary outcome is feasibility of VR-BF use in adolescents undergoing surgery as assessed through recruitment, enrolment, retention and adherence to the protocol. Secondary outcomes are acceptability of VR-BF and pilot efficacy measures, including pain, anxiety and opioid consumption.

ETHICS AND DISSEMINATION

The protocol was approved by the Nationwide Children's Hospital Institutional Review Board (IRB #STUDY00002080). Patient recruitment begins in March 2023. Written informed consent is obtained for all participants. All information acquired will be disseminated via scientific meetings and published in peer-reviewed journals. Data will be available per request and results will be posted on ClinicalTrials.gov.

TRIAL REGISTRATION NUMBER

ClinicalTrials.gov Registry (NCT04943874).

The treatment of functional dyspepsia: present and future

INTRODUCTION

Functional dyspepsia (FD) is a prevalent, but frequently overlooked and/or under diagnosed disorder of gut-brain interaction (DGBI). Functional dyspepsia frequently co-exists with other DGBIs, and persistent symptoms have a significant impact on patients' quality of life. A variety of therapies (e.g. diet, probiotics, antibiotics, acid suppressants, neuromodulators, prokinetics) are employed to treat the multiple symptoms of FD, although none are uniformly effective.

AREAS COVERED

This review covers currently available therapies for the treatment of FD in addition to novel and emerging therapies that may change the treatment paradigm in the near future. PubMed, Embase and the Cochrane data bank were searched from 1990 to October 2022 for relevant articles.

EXPERT OPINION

Dietary intervention, eradication of H. pylori, and/or a trial of acid suppression are reasonable initial treatment options for patients with FD. Neuromodulators and fundic accommodation agents are underemployed and should be used more routinely by healthcare providers, especially for patients with moderate-severe symptoms. Alternative therapies, such as cognitive behavioral therapy and hypnotherapy, are gaining recognition as safe and effective treatments for FD and can be used alone or in combination with medications. Virtual reality has the potential to significantly improve global FD symptoms.

Use of Virtual Reality for Reducing Pain and Anxiety After Laparoscopic Sleeve Gastrectomy: A Randomized Controlled Trial

AIM

The present study aimed to evaluate the effect of virtual reality on pain and anxiety in patients who had undergone laparoscopic sleeve gastrectomy.

METHOD

The study was conducted between September 1, 2019, and December 31, 2019, in the surgical intensive care unit at a government hospital. The participants were 110 patients who met the inclusion criteria and agreed to participate in the study. According to the study procedure, while the control group received standard care, the intervention group watched a virtual reality video. Data were collected with a personal information form, the Numeric Pain Rating Scale, and the Faces Anxiety Scale.

RESULTS

The mean post-test Numeric Pain Rating Scale score was significantly lower in the intervention group than in the control group (p < .001). However, the mean Faces Anxiety Scale scores did not differ significantly between the groups (p = .087).

CONCLUSIONS

Virtual reality can effectively reduce pain and anxiety in patients who have undergone laparoscopic sleeve gastrectomy in intensive care units.

Handheld Weights as an Effective and Comfortable Way To Increase Exercise Intensity of Physical Activity in Virtual Reality: Empirical Study

Background

In recent years, there has been a growing interest in active virtual reality games (AVRGs) that provide entertainment and encourage more physical activity (PA). Since playing AVRGs involves primarily arm movements, the intensity of this form of PA may not be sufficient for health benefits. Therefore, it is worth looking for virtual entertainment solutions that are comfortable for users and at the same time increase physical exercise.

Objective

The main objective of this study was to evaluate the effect of external loading of the arms in the form of handheld weights (HHWs) on exercise intensity in users playing a popular AVRG. The results obtained in the study were compared with the PA recommendations for health. The study also assessed the perceptions of the users about the attractiveness and usefulness of this type of exercise and discomfort caused by additional load on the arms.

Methods

The study covered 17 young adults aged 18 to 25 years playing an AVRG (Beat Saber) with no arm load and with HHWs (0.5 kg). A PlayStation 4 PRO console (Sony) with accessories including a head-mounted display and controllers was used in the study. PA intensity was evaluated using a heart rate monitor based on the percentage of maximal heart rate (% HRmax). The usability, attractiveness, and comfort perceived during exercise by users were evaluated using a survey questionnaire.

Results

The measurements showed that the mean % HRmax in participants playing Beat Saber without HHWs was significantly lower (P<.001; Cohen d=1.07) than that observed when playing with HHWs. It should be emphasized that with no additional load, the intensity of PA was low (mean 63.7% HRmax, SD 9.3% HRmax), while with the upper limb load, it increased to a moderate level (mean 67.1% HRmax, SD 10.3% HRmax), which is recommended for health benefits. The survey conducted in the study showed that HHWs (0.5 kg) attached to the wrists did not disturb Beat Saber players.

Conclusions

Since PA in most of the modern AVRGs primarily involves upper limb movements, the use of HHW seems to be a simple and effective way to increase exercise intensity, especially because, as reported by the study participants, such a procedure does not cause discomfort while using the application.

Virtual Reality and Mindfulness Approaches in the Treatment of Rumination Syndrome

Rumination syndrome (RS) is the repeated, effortless food regurgitation during or immediately after eating or drinking, which could be followed by rechewing, reswallowing, or spitting out of the regurgitant gastric contents. The mechanism by which RS ensues is because of the habitual contraction of the abdominal wall muscles leading to increased intra-abdominal pressure and regurgitation of gastric contents. Therefore, diaphragmatic breathing techniques and biofeedback are helpful in these patients to counteract the habitual abdominal contractions. We present a case of a 26-year-old woman diagnosed with RS unresponsive to conventional therapy (antiemetics and antispasmodics).

An Analysis of Theoretical Perspectives in Research on Nature-Based Interventions and Pain

Chronic pain results from a complex series of biomechanical, inflammatory, neurological, psychological, social, and environmental mechanisms. Pain and pain-related diseases are the leading causes of disability and disease burden globally. Employing nature-based interventions for the treatment of pain is an emerging field. Current theory driving the suggested mechanism(s) linking the pain reducing effects of nature-based interventions is lacking. A two-step approach was taken to complete a theoretical review and analysis. First, a literature review was completed to gather a substantive amount of research related to theoretical frameworks on the topic of nature-based interventions and pain. Secondly, a theoretical analysis as proposed by Walker and Avant was completed to explore current theoretical frameworks accepted in the literature on nature-based interventions and pain. Stress reduction theory and attention restoration theory were the most common theoretical frameworks identified. Neither theoretical framework explicitly identifies, describes, or intends to adequately measure the concept of pain, revealing a limitation for their application in research with nature-based interventions and pain. Theoretical development is needed, as it pertains to nature-based interventions and pain. Without this development, research on nature-based interventions and pain will continue to use proxy concepts for measurement and may result in misrepresented findings.

Virtual reality reduces pain in palliative care-A feasibility trial

Background

Effective symptom control is a stated goal of palliative care (PC) to improve quality of life for terminally ill patients. Virtual reality (VR) provides temporary escapes from pharmacologically resistant pain and allows for experiences and journeys patients may not access in any other way. Enabling wishes through virtual worlds may also offer additional benefits such as controlling psychological and physical symptoms.

Aims

We investigated the feasibility of a single VR experience as a viable, satisfying, and effective tool for end-of-life pain relief for inpatients presenting palliative needs.

Design

This is an observational, single-arm and national single-center feasibility trial.

Methods

A one-time VR experience with a selection of several videos and games was offered to 45 inpatients receiving PC at Muenster University Hospital. Patients with brain tumors, brain metastases, seizures, motion sickness, claustrophobia, vertigo, hearing or visual impairment, or unable to consent were excluded. Primary outcome measured patient reported pain on a visual analogue scale (VAS). We also measured Karnofsky performance status, health-related quality of life (HRQOL) using the EQ-5D-5 L questionnaire, and the Pain Out Questionnaire for postoperative pain.

Results

We analyzed data from 21 women (52.5%) and 19 men (47.5%) at an average age of 51.9 (SD: 15.81) years. The mean Karnofsky score among the sample was 45.5 (SD: 14.97) and the HRQOL was 41.9 (SD: 23.08). While no serious side effects were reported during the intervention, three patients experienced nausea (7%), two headaches (5%), and three reported dry eyes (7%) afterwards. Significant pain reduction (baseline VAS 2.25 (SD: 0.4399)) was demonstrated during (VAS 0.7 (SD: 0.2983, p < 0.0001)), immediately after (VAS 0.9 (SD: 0.3354, p = 0.0001)) and one hour after the intervention (VAS 1.15 (SD: 0.4163, p = 0.0004)). More than 80% rated the VR experience as very good or good (85%, n = 34) and intended to make use of the device again (82.5%, n = 33). However, two participants (5%) also expressed sadness by becoming aware of old memories and previous opportunities that are gone.

Discussion

The present pilot study suggests that VR seems to be a feasible and effective tool for pain relief in PC. Its use encompasses the approach of a total pain and symptom therapy and enhances patients’ dignity and autonomy. Future research ought to include if and to what extent VR could reduce the necessity of pharmacological pain relief.

Virtual reality and its use in post-operative pain following laparoscopy: a feasibility study

Pain following laparoscopic surgery remains a neglected healthcare issue. Virtual reality-mediated therapy’s (VRT) analgesic potential could address this. However, its effect in this setting remains unexplored. We aimed to establish the feasibility and safety of VRT as an adjunct analgesic following gynaecological laparoscopy and explore differences between active distraction and passive meditation content. 35 women were enrolled into an open crossover pilot and randomised to either intervention group 1 (active then passive content) or intervention group 2 (passive then active content) following surgery. VRT was administered in two 10-min segments with a 10-min washout period in between. Pain scores, opioid requirements and side effects were recorded before and after each segment whilst questionnaires evaluated acceptability. We observed a significant reduction in pain over time for the entire study population (F = 8.63, p < 0.0005) but no differences between intervention groups, in contrast to many studies demonstrating an increase in pain during this time. During segment one, intervention group 1 (n = 18) were administered significantly less opioid than intervention group 2 (n = 17) [0.0 (0.0–7.5) vs. 3.0(0.0–10.0), p = 0.04]. Intervention group 1 rated the VRT experience significantly higher than intervention group 2 (7.97 vs. 6.62. p = 0.017). 97.1% (n = 34) would recommend VRT to a friend and use it as the standard-of-care in future procedures. These results demonstrate that post-operative VRT is feasible and safe. However, adequately powered studies are needed to appropriately determine its efficacy.

Virtual Reality in Palliative Care: A Systematic Review

Background: Virtual reality (VR) using head-mounted displays (HMDs) has demonstrated to be an effective tool for treating various somatic and psychological symptoms. Technological advances and increased affordability of VR technology provide an interesting option for delivering psychological interventions to patients in palliative care. The primary aim of this systematic review was to synthesise the available research on the use of VR for enhancing psychological and somatic outcomes for palliative care patients. Secondary aims included assessing general satisfaction and overall usability. Method: A pre-registered systematic literature search was conducted according to PRISMA guidelines using OVID Emcare, Cochrane Library, Embase, Medline, PsycINFO, and PubMed Care Search: Palliative Care Knowledge Network. Peer-reviewed experimental, quasi-experimental, observational, case, and feasibility studies consisting of single or multiple VR sessions using HMDs that reported psychological and/or somatic outcomes were included. Results: Eight studies published between 2019 and 2021 were included, representing 138 patients. While the reported quantitative psychological and somatic outcomes were ambiguous, the qualitative outcomes were largely positive. Participants were generally satisfied with VR, and most studies reported the VR interventions as usable, feasible, and acceptable. Conclusions: VR shows promise in palliative care and generally addresses a range of symptoms with few adverse effects. Future research should consist of adequately powered RCTs evaluating dosage and focusing on providing meaningful activities to enhance outcomes further.

Virtual Reality for Pain Relief in the Emergency Room (VIPER) - a prospective, interventional feasibility study

Background

Pain is one of the most common, yet challenging problems leading to emergency department (ED) presentation, despite the availability of a wide range of pharmacological therapies. Virtual reality (VR) simulations are well studied in a wide variety of clinical settings, including acute and chronic pain management, as well as anxiety disorders. However, studies in the busy environment of an adult ED are scarce.

The aim of this study is to explore the feasibility and effectiveness of a VR simulation for pain and anxiety control in a convenience sample of adult ED patients presenting with traumatic and non-traumatic pain triaged 2–5 (i.e., urgent to non-urgent) with a pain rating of ≥ 3 on a numeric rating scale (NRS 0–10).

Methods

Prospective within-subject, repeated measures interventional feasibility pilot study at a Swiss University ED. The intervention consisted of a virtual reality simulation in addition to usual care. Pain and anxiety levels were measured using a verbally administered numeric rating scale (NRS) before and after the intervention. Information on patient experience was collected using established rating scales.

Results

Fifty-two patients were enrolled. The most common pain localisations were extremities (n = 15, 28.8%) and abdomen (n = 12, 23.1%). About one third of patients presented with trauma-associated pain (n = 16, 30.8%). Duration of pain was mainly acute (< 24 h) (n = 16, 30.8%) or subacute (> 24 h) (n = 32, 61.5%). The majority of patients were triage category 3, i.e. semi-urgent (n = 48, 92.3%). Significant reduction in pain (NRS median pre-VR simulation 4.5 (IQR 3–7) vs. median post-VR simulation 3 (IQR 2–5), p < 0.001), and anxiety levels (NRS median pre-VR simulation 4 (IQR 2–5) vs. median post-VR simulation 2 (IQR 0–3), p < 0.001) was achieved, yielding moderate to large effect sizes (Cohen’s d estimate for pain reduction = 0.59 (95% CI 0.19—0.98), for anxiety level on NRS = 0.75 (95% CI 0.34—1.15). With medium immersion and good tolerability of the VR simulation, user satisfaction was high.

Conclusions

Virtual reality analgesia for pain and anxiety reduction in the busy setting of an ED is feasible, effective, with high user satisfaction. Further randomized controlled studies are needed to better characterize its impact on pain perception and resource utilization.

Supplementary Information

The online version contains supplementary material available at 10.1186/s12873-022-00671-z.

Adjunct Digital Interventions Improve Opioid-Based Pain Management: Impact of Virtual Reality and Mobile Applications on Patient-Centered Pharmacy Care

Digital therapeutics (DTx, mobile medical apps, software as a medical device) are rapidly emerging as clinically effective treatments for diverse chronic diseases. For example, the Food and Drug Administration (FDA) has recently authorized a prescription virtual reality (VR) app for treatment of moderate to severe low back pain. The FDA has also approved an adjunct digital therapy in conjunction with buprenorphine for opioid use disorder, further illustrating opportunities to integrate digital therapeutics with pharmacotherapies. There are ongoing needs to disseminate knowledge about advances in digital interventions among health care professionals, policymakers, and the public at large. This mini-review summarizes accumulating clinical evidence of digital interventions delivered via virtual reality and mobile apps to improve opioid-based analgesia. We identified relevant randomized controlled trials (RCTs) using Embase and PubMed databases which reported pain scores with a validated pain scale (e.g., visual analog scales, graphic rating scale, numeric rating scale) and use of a digital intervention in conjunction with opiates. Among identified RCTs, the majority of studies reported improved pain scores in the digital intervention group, as compared to “treatment as usual” group. Our work suggests that VR and mobile apps can be used as adjunct digital therapies for pain management. We discuss these findings in the context of how digital health technologies can transform patient-centered pharmacy care.

Effect of Virtual Reality on Pain Management and Opioid Use Among Hospitalized Patients After Head and Neck Surgery: A Randomized Clinical Trial

Importance

Optimal postoperative pain management is challenging. Virtual reality (VR) provides immersive, 3-dimensional experiences that may improve pain control and reduce reliance on pharmacologic pain management.

Objective

To evaluate use of VR on postoperative pain management after head and neck surgery.

Design, Setting, and Participants

This prospective, pilot randomized clinical trial was conducted at Oregon Health & Science University from July 2020 to October 2021 and included patients hospitalized after major head and neck surgery.

Interventions

Similar 15-minute interactive gaming experiences (Angry Birds) using an Oculus Quest VR headset (VR intervention) or a handheld smartphone device (control).

Main Outcomes and Measures

The primary outcome was postintervention pain reduction. Pain scores were obtained preintervention, immediately after intervention, and then hourly for 4 hours. Secondary outcomes included changes in opioid use, measured as milligram morphine equivalents (MMEs), and patient experiences with their intervention using 5-point Likert scales.

Results

Of the 30 patients randomized for inclusion, the final population included 14 patients in the VR cohort and 15 patients in the control cohort; the majority of patients were male (26 of 29 [90%]), and the mean (SD) age was 58.3 (13.8) years. After outlier removal, there were clinically meaningful reductions in postintervention pain among patients in the VR group immediately after intervention (mean difference, -1.42; 95% CI, -2.15 to -0.70; d = 1.50), at 1 hour (mean difference, -0.86; 95% CI, -1.90 to 0.14; d = 0.67), 2 hours (mean difference, -1.07; 95% CI, -2.30 to 0.14; d = 0.69), and 3 hours (mean difference, -1.36; 95% CI, -2.80 to 0.13; d = 0.71) compared with patients in the control group. Patients in the VR group also demonstrated reductions in 4-hour postintervention opioid use compared with 4-hour preintervention opioid use (mean difference, -9.10 MME; 95% CI, -15.00 to -1.27 MME; d = 0.90) and 8-hour postintervention opioid use compared with 8-hour preintervention opioid use (mean difference, -14.00 MME; 95% CI, -25.60 to -2.40 MME; d = 0.94). There were no meaningful differences in subjective patient experiences with their respective interventions.

Conclusions and Relevance

In this randomized clinical trial, VR reduced pain scores and opioid use compared with a control intervention. Virtual reality may be a useful adjunct for postoperative pain management after head and neck surgery.

Trial Registration

ClinicalTrials.gov Identifier: NCT04464304.

The State of Science in the Use of Virtual Reality in the Treatment of Acute and Chronic Pain: A Systematic Scoping Review

Previous reviews have reported virtual reality (VR) to be an effective method to treat pain. This scoping review examines the state of the science for VR and pain both generally and by pain type (acute and chronic) related to types of mechanisms, dosage, effectiveness, and adverse events (AEs). We searched online databases PubMed, Web of Science, PsychInfo, and CINAHL from 2010 to 2020 and included studies from peer reviewed journals that examined people with pain, (excluding pain-free participants) with a primary outcome measuring pain. We assessed studies for risk of bias using PEDro criteria. We described data through counts and percentages. Significant results were determined through P-values. We found 70 studies representing 4105 people; 46 acute pain studies (65.7%), 22 chronic pain studies (31.4%), and 2 (2.9%) "both." The most common VR mechanism was distraction (78.6%) then embodiment (17.1%). However, distraction was the mechanism for 97.8% acute pain studies while embodiment was more common for chronic pain (54.5%). Dosage of VR was inconsistently reported and varied considerably. VR treatment groups showed significant improvements in pain, particularly for intensity of pain (72.1%) and quality of pain (75.0%). Few studies examined AEs. Limitations of this review include only examining last 10 years of articles and that many studies were missing data. VR appears to be an effective intervention to address both acute and chronic pain. Research evaluating VR mechanisms, dosage, and AEs is warranted, as is further work in under-served populations (children for chronic pain and older adults) as the current evidence is largely limited to adult populations with pain.

Quantifying virtual reality pain modulation in healthy volunteers: A randomized, crossover study

STUDY OBJECTIVE

Virtual reality (VR) is an emerging tool to reduce pain and anxiety during procedures. Although VR's clinical benefits are reported, biometric data quantifying VR's effect on pain tolerance is lacking. We used time-lapse, subjective, and biometric data to evaluate VR's effect on modulating pain.

DESIGN

Randomized, controlled crossover within-subject clinical trial.

SETTING

This study was conducted in the Chariot Lab at Lucile Packard Children's Hospital and outdoors at Stanford University School of Medicine.

PATIENTS

156 healthy volunteers were included.

INTERVENTIONS

Participants underwent pain-inducing ice immersions while connected to biometric sensors. Participants were randomized to immerse their dominant or non-dominant hand with VR or control (no VR) for one immersion, and then crossed-over to the other hand for the second immersion. We instructed participants to submerge their hand until they reached their pain tolerance or until four minutes elapsed.

MEASUREMENTS

Outcomes included ice immersion duration, perceived pain scores, and skin conductance response density (SCRD), a marker of sympathetic arousal. We used survival analysis and mixed effects models to compare measurements with and without VR.

MAIN RESULTS

153 participants were included in the analysis. Participants with VR were 64% less likely to remove their hands from the ice bath throughout the immersion's duration compared to control (P < 0.001). Participants with VR reported significantly lower pain scores after controlling for dominant hand treatment assignment, VR vs. no VR treatment order, and gender (P < 0.001). SCRD increased as time progressed for both VR and control groups (P = 0.047 combined), with no significant mean group differences.

CONCLUSIONS

Participants with VR were more likely to survive the 4-min ice bath challenge longer and with lower levels of pain perception, supporting VR's effectiveness as a distraction tool during painful procedures. We observed no differences in sympathetic response when comparing VR to no VR.

Virtual reality distraction during upper gastrointestinal endoscopy: a randomized controlled trial

BACKGROUND AND AIM

Virtual reality (VR) is an established and effective tool in reducing autonomic and somatic pain. We aimed to examine the analgesic effects of VR distraction during esophagogastroduodenoscopy (EGD).

METHODS

We conducted a randomized controlled trial and enrolled patients who had indication for unsedated EGD with topical anesthesia. Patients were randomly assigned to use Oculus GO with three-dimensional specific software content (standalone VR headset), sham VR or without VR during EGD. The primary outcome was patient pain scores during EGD.

RESULTS

A total of 96 patients undergoing diagnostic EGD were randomized to receive VR (n = 32), sham VR (n = 32), and no VR defined as the control group (n = 32). Patients in all groups reported no statistically different pain during esophageal intubation. The mean pain score was 2.7 ± 2.4 in the VR group, 2.7 ± 2.5 in the sham VR and 2.3 ± 2.3 in the control group, (P value = 0.751). No significant difference was observed in heart rate and blood pressure, and the endoscopists reported higher overall satisfaction scores in VR (4.3 ± 0.5) compared with the control group (4 ± 0.8) but without significance (P value = 0.156).

CONCLUSION

Virtual reality-assisted anesthesia during EGD did not significantly reduce patient pain during esophageal intubation. There was no superiority in using VR distraction regarding patient's and endoscopist's satisfaction compared with standard EGD without VR Further studies are required to detect any true clinical advantage of VR distraction during EGD.

Virtual Reality (VR) Technology for Treatment of Mental Health Problems during COVID-19: A Systematic Review

There was a surge in psychological distress and emotional burnout during the COVID-19 pandemic. Virtual reality (VR) is helpful as a psychological intervention whilst maintaining physical or social distancing. The present systematic review assessed the role of VR as a psychological intervention tool for mental health problems during the COVID-19 pandemic. We conducted a systematic review that followed the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. This study used the search-related terms: (Virtual reality OR simulated-3D-environment OR VR) AND (covid! or corona!) AND (mental* OR psychologic* OR well* OR health*) AND (intervention) on six databases, i.e., MEDLINE, PsycINFO, Ovid Medline, EMBASE, ACM digital library, and Cochrane Central Register of Controlled Trials (CENTRAL) from the inception date until 23 June 2021. We finally included four studies in the systematic review out of the 379 references imported for screening. These studies reveal that VR is beneficial as a psychological tool for intervention in individuals with mental health problems. Immersed in the telepresence, interacting in a 3-D format compared to a 2-D layout, having a sense of enjoyment and engagement, activating an affective-motivational state, “escaping” to a virtual from the real world are pivotal faucets of VR as a psychological tool for intervention.

Simulated Forest Immersion Therapy: Methods Development

Shinrin-yoku, forest bathing, may provide relief from chronic and breakthrough pain in patients with axial spondyloarthritis and improve immune function through increasing NK cell numbers and activity and their downstream effectors, perforin and granulysin, after chemo- or radiation therapy in breast and prostate cancer patients. The aim of this paper is to describe the study protocol for a simulated forest immersion therapy using virtual reality and atomized phytoncides, volatile organic compounds found in forested areas designed to effect positive change for these two patient populations. The setting, including the room set up and samples with inclusion/exclusion specific to this type of intervention, is outlined. Measures and calibration procedures pertinent to determining the feasibility of simulated forest immersion therapy are presented and include: ambient and surface room temperatures and relative humidity in real time, ambient ultrafine particulate matter, ambient droplet measurement that coincides with volatile organic compounds, specific phytoncides, and virtual reality and atomization of phytoncide set up. Particular lessons learned while training and setting up the equipment are presented. Simulated forest immersion therapy is possible with attention to detail during this early phase when development of methods, equipment testing, and feasibility in deploying the intervention become operational. The expected outcome of the development of the methods for this study is the creation of a standardized approach to simulating forest therapy in a controlled laboratory space.

Visually sensitive seizures: An updated review by the Epilepsy Foundation

Light flashes, patterns, or color changes can provoke seizures in up to 1 in 4000 persons. Prevalence may be higher because of selection bias. The Epilepsy Foundation reviewed light-induced seizures in 2005. Since then, images on social media, virtual reality, three-dimensional (3D) movies, and the Internet have proliferated. Hundreds of studies have explored the mechanisms and presentations of photosensitive seizures, justifying an updated review. This literature summary derives from a nonsystematic literature review via PubMed using the terms "photosensitive" and "epilepsy." The photoparoxysmal response (PPR) is an electroencephalography (EEG) phenomenon, and photosensitive seizures (PS) are seizures provoked by visual stimulation. Photosensitivity is more common in the young and in specific forms of generalized epilepsy. PS can coexist with spontaneous seizures. PS are hereditable and linked to recently identified genes. Brain imaging usually is normal, but special studies imaging white matter tracts demonstrate abnormal connectivity. Occipital cortex and connected regions are hyperexcitable in subjects with light-provoked seizures. Mechanisms remain unclear. Video games, social media clips, occasional movies, and natural stimuli can provoke PS. Virtual reality and 3D images so far appear benign unless they contain specific provocative content, for example, flashes. Images with flashes brighter than 20 candelas/m² at 3-60 (particularly 15-20) Hz occupying at least 10 to 25% of the visual field are a risk, as are red color flashes or oscillating stripes. Equipment to assay for these characteristics is probably underutilized. Prevention of seizures includes avoiding provocative stimuli, covering one eye, wearing dark glasses, sitting at least two meters from screens, reducing contrast, and taking certain antiseizure drugs. Measurement of PPR suppression in a photosensitivity model can screen putative antiseizure drugs. Some countries regulate media to reduce risk. Visually-induced seizures remain significant public health hazards so they warrant ongoing scientific and regulatory efforts and public education.

Take-Pause: Efficacy of mindfulness-based virtual reality as an intervention in the pediatric emergency department

BACKGROUND

Emergency department (ED) visits are known to be anxiety-ridden and stress-provoking experiences especially in the pediatric population. Distraction techniques have been used as a means to reduce anxiety and stress thereby facilitating care in the ED and making the visit less unpleasant. Our study aimed to evaluate the effectiveness of an active and immersive distraction technique, using a mindfulness-based virtual reality (VR) program (Take-Pause), to alleviate anxiety in pediatric ED patients.

METHODS

A prospective, randomized, single-blinded study, evaluating ED patients aged 13-17 years with a chief complaint of acute pain was conducted. Patients were randomized either to the active distraction intervention (VR group), utilizing the VR headset for 5 min, or to the passive distraction intervention (iPad group), playing on an iPad for 5 min. The primary outcome was a difference in the change in anxiety scores on the Spielberger State-Trait Anxiety Inventory between the two groups. Secondary outcomes included a difference in pain scores, respiratory rate, and heart rate between the groups.

RESULTS

A total of 110 subjects were enrolled. At 15 min, the mean anxiety score for the VR group improved by 10 points versus 6 points in the iPad group (p < 0.001; 95% confidence interval = 0.44 to 7.6). There was no statistical significance in the reduction of pain scores (p = 0.953) and respiratory rates (p = 0.776) between the groups. Patients enrolled in both groups did not experience any adverse effects.

CONCLUSION

Take-Pause, offering an active and immersive distraction technique, is more effective than a passive distraction approach to lower anxiety levels in adolescent ED patients.

Virtually Augmented Self-Hypnosis applied to endovascular interventions (VA-HYPO): Randomized Controlled Trial Protocol

Endovascular interventions (EVI) are increasingly performed as minimally-invasive alternatives to surgery and have many advantages, including a decreased need for general anesthesia. However, EVI can be stressful for patients and often lead to anxiety and pain related to the procedure. The use of local anesthetics, anxiolytics, and analgesic drugs can help avoid general anesthesia. Nevertheless, these drugs have potential side effects. Alternative nonpharmacological therapies can improve patients’ experience during conscious interventions and reduce the need for additional medications. The added value of virtually augmented self-hypnosis (VA-HYPO) and its potential to reduce pain and anxiety during peripheral and visceral arterial and venous EVI is unknown. This is a prospective two-arm trial designed to randomize 100 patients in two groups according to the use or not of VA-HYPO during peripheral EVI as a complementary nonpharmacological technique to improve patient comfort. The main objective is to compare per-procedural anxiety, and the secondary aim is to compare the rated per-procedural pain in both groups. The potential significance is that VA-HYPO may improve patients’ experience during peripheral and visceral arterial and venous EVI and other minimally invasive interventions performed under local anesthesia.

Trial registration: Our study is registered on clinicaltrials.gov, with trial registration number: NCT04561596.

The Role of Virtual Reality as a Psychological Intervention for Mental Health Disturbances during the COVID-19 Pandemic: A Narrative Review

The COVID-19 pandemic spread throughout the world and created many problems. The COVID-19 pandemic caused an increase in mortality and morbidity, including mental health problems. Around the world, the movement control order (MCO) was strictly enforced, but the spread of the infection epidemic was still rampant. The magnitude of the increase in mental health illnesses has caused many individuals to suffer. Given that face-to-face interventions are challenging to carry out during an outbreak, we need to address this critical problem through an online approach, such as virtual reality (VR). This approach is vital to helping patients deal with their existing problems in more pragmatic, practical, and customer-friendly ways. Thus, in the present review, we proposed the development of a virtual digital device for this noble purpose. Various challenges, improvements, and expectations for VR applications were outlined and discussed in this narrative review.

Virtual reality for management of cancer pain: Study rationale and design

Background

Patients with cancer commonly experience acute and/or chronic moderate to severe pain related to disease, treatment, or both. While pain management strategies typically focus on drug therapies, non-pharmacological interventions may prove beneficial without risk of significant clinical side effects or contraindications. One novel strategy, virtual reality, has been shown to improve pain control in addition to usual pharmacological interventions.

Methods

This is a prospective, two-armed, single center randomized controlled study of a virtual reality intervention in 128 hospitalized subjects with cancer reporting pain rated at least 4/10 compared to an active control intervention, two-dimensional guided imagery. The primary outcome is change in self-reported pain score. Secondary end points include changes in self-reported distress, quality of life, and satisfaction with pain management. We will also explore patient preferences for distraction therapy content and themes through quantitative analysis of survey data, semi-structured interviews, and a collaging exercise.

Conclusion

This randomized controlled study aims to provide empiric data to support application and expansion of novel technologies such as virtual reality to augment usual pharmacological pain management strategies in hospitalized patients with cancer.

Development and Considerations for Virtual Reality Simulations for Resuscitation Training and Stress Inoculation

INTRODUCTION

Resuscitation simulations immerse learners into the complexity of emergency patient management. Head-Mounted Display Virtual Reality (VR) has been used for stress inoculation therapy for phobias and posttraumatic stress disorder. However, VR for stress inoculation in resuscitation leadership training has not been studied. We sought to develop VR simulation for stress inoculation, as exposure therapy training, for resuscitations.

METHODS

We explain the conceptual design, development, production, and initial evaluation process for 2 VR simulations in infant status epilepticus and pediatric anaphylactic shock. We further describe deliberate game mechanic choices to maximize psychological fidelity. In-virtual reality performance data for time-to-critical actions and stress physiology markers (heart rate, salivary cortisol) were collected from expert pediatric emergency physicians and novice pediatric residents. Data were analyzed to examine differences between the 2 groups for both outcome types to determine the extent of stress response or performance deficit the VR induced.

RESULTS

Multiple difficulties and distractions were designed for the 2 scenarios; we evaluated the highest difficulty and environmental distraction versions. Between 19 expert physicians and 15 novice physicians, no performance differences were found in typical airway, breathing, and circulation actions. Residents preferred more lorazepam first-line antiepileptics than attendings (P = 0.003) and performed a cricothyrotomy later than attendings (P = 0.02). Residents, however, manifested higher salivary cortisol levels than attendings (+0.07 μg/dL, 95% confidence interval = 0.03-0.12, P = 0.001).

CONCLUSIONS

A VR resuscitation simulation manifested expected stress physiology changes in physicians. Further evaluation is needed to determine the effect of VR simulation as longitudinal stress inoculation for healthcare providers.

Comparison of effectiveness of three distraction techniques to allay dental anxiety during inferior alveolar nerve block in children: A randomized controlled clinical trial

Background

Among the numerous methods used to control anxiety, distraction is the most popular method for controlling behavior during dental procedures in children. The present study aimed to use a fidget spinner, kaleidoscope, and virtual reality as distraction techniques individually and observe the effects on the anxiety levels of children subjected to inferior alveolar nerve block (IANB).

Methods

In this parallel-group randomized clinical trial, 102 children aged 6–9 years requiring IANB for various dental treatments were screened and 60 children who met the inclusion criteria were enrolled and randomly assigned into four groups of 15 each; Group 1 fidget spinner (FS), Group 2 kaleidoscope, Group 3 virtual reality (VR) and Group 4 no distraction (Control). The child's self-reported anxiety levels using Venham's picture test (VPT); the pulse oximeter was used to measure physiological signs of oxygen saturation and pulse rate at three intervals i.e. before, during, and after the IANB procedure. The collected data were statistically analyzed with SPSS 21 software. Paired t-test and One way ANOVA were used to compare the VPT, oxygen saturation, and pulse rate values.

Findings

Groups 1, 2, and 3 showed significantly lower mean VPT scores compared to Group 4. Groups 1 & 3 showed lower mean pulse rates and Group 2 showed comparable mean pulse rates to Group 4 respectively during the IANB procedure. Oxygen saturation levels remained non-significant between all the Groups (p > 0.05).

Interpretation

Fidget spinner, kaleidoscope, and virtual reality seem to be effective distraction methods and can be recommended as effective approaches to help alleviate children's dental anxiety during IANB procedures.

Virtual reality interventions and the outcome measures of adult patients in acute care settings undergoing surgical procedures: An integrative review

AIMS

To evaluate the different types of virtual reality (VR) therapy received by adult patients undergoing surgical procedures in acute care settings and the outcome measures, as well as to highlight the acceptability and feasibility of VR approaches among patients and healthcare workers.

DESIGN

Whittemore and Knafl's integrative review method guided the analysis.

DATA SOURCES

Searches were conducted in ScienceDirect, ProQuest, Wiley Online Library, Medline, PsycINFO and PubMed and Google Scholar from 2000 to June 2021.

REVIEW METHODS

A systematic search on articles published in English was carried out with electronic databases and hand search references. Keywords searched included primary qualitative and quantitative studies that utilized VR therapy in surgical care settings.

RESULTS

Eighteen articles were reviewed, which reported the use of two main strategies: guided and interactive imagery therapy. The findings identified: (i) patient-clinical outcome measures including the use of analgesics, vital signs, functional capacity and length of hospital stay; and (ii) patient-reported experience measures including pain, anxiety and satisfaction level. Comfort, age, knowledge and attitude were key factors influencing the acceptability of VR among the patients, whereas cost-effectiveness and infection control were two main factors affecting the feasibility of use among the health care workers.

CONCLUSION

VR therapy demonstrated potential improvements in both the patient-clinical outcomes and patient-reported experiences of those undergoing surgical procedures. However, the findings were inconsistent, which required further research to explore and establish the effectiveness of using VR in the context of acute care settings.

IMPACT

VR distraction has been increasingly used as a non-pharmacological method in managing pain, easing anxiety and optimizing other associated outcomes in patients undergoing surgical procedures. It is essential to examine the effectiveness of VR therapy on the adult patients' outcomes in acute care settings with surgical procedures, as well as its acceptability and feasibility of use.

Nonpharmacologic Pain Management Among Hospitalized Inpatients: A Randomized Waitlist-Controlled Trial of Standard Virtual Reality (CGI VR) Versus Video Capture VR (360 degrees 3D/Stereoscopic Video Capture VR)

OBJECTIVES

Nonpharmacologic pain management strategies are needed because of the growing opioid epidemic. While studies have examined the efficacy of virtual reality (VR) for pain reduction, there is little research in adult inpatient settings, and no studies comparing the relative efficacy of standard animated computer-generated imagery (CGI) VR to Video Capture VR (360 degrees 3D/stereoscopic Video Capture VR). Here, we report on a randomized controlled trial of the relative efficacy of standard CGI VR versus Video Capture VR (matched for content) and also compared the overall efficacy of VR to a waitlist control group.

MATERIALS AND METHODS

Participants (N=103 hospitalized inpatients reporting pain) were randomized to 1 of 3 conditions: (1) waitlist control, (2) CGI VR, or (3) Video Capture VR. The VR and waitlist conditions were 10 minutes in length. Outcomes were assessed pretreatment, post-treatment, and after a brief follow-up.

RESULTS

Consistent with hypotheses, both VR conditions reduced pain significantly more relative to the waitlist control condition (d=1.60, P<0.001) and pain reductions were largely maintained at the brief follow-up assessment. Both VR conditions reduced pain by ∼50% and led to improvements in mood, anxiety, and relaxation. Contrary to prediction, the Video Capture VR condition was not significantly more effective at reducing pain relative to the CGI VR condition (d=0.25, P=0.216). However, as expected, patients randomized to the Video Capture VR rated their experience as more positive and realistic (d=0.78, P=0.002).

DISCUSSION

Video Capture VR was as effective as CGI VR for pain reduction and was rated as more realistic.

Application of virtual reality on non-drug behavioral management of short-term dental procedure in children

Background

Due to the inherent characteristics of immersion, imagination, and interactivity in virtual reality (VR), it might be suitable for non-drug behavior management of children in dental clinics. The purpose of this trial was to measure the role of VR distraction on behavior management in short-term dental procedures in children.

Methods

A randomized clinical trial design was carried out on 120 children aged between 4 and 8 years to identify the comparative efficacy of VR and tell-show-do (TSD) to improve behavioral management during dental procedures. The primary outcomes were evaluated anxiety, pain, and compliance scores in perioperative children. The levels of operative anxiety and pain were assessed using the Children’s Fear Survey Schedule-Dental Subscale (CFSS-DS) and Wong Baker FACES Pain Rating Scale (WBFS), respectively. The Frankl Behavior Rating Scale (FBRS) was tested before and during dental procedures. The length of the dental procedure was compared between both groups after treatment.

Results

The average anxiety and behavioral scores of the VR group significantly reduced compared with the control. The decreased anxiety score for the VR group and control group were 8 (7, 11) and 5 (5, 7), p < 0.05. The compliance scores of the control group during treatment were 3 (2, 3), and the same in the VR intervention were 3 (3, 4), p = 0.02. A significant reduction in pain was observed when using VR distraction (p < 0.05). Comparing the length of the dental procedure, the VR group (19.0 2 ± 5.32 min) had a shorter treatment time than the control group (27.80 ± 10.40 min).

Conclusion

The use of VR significantly reduced the anxiety and pain of children and the length of the dental procedure and improved the compliance of children that underwent short-term dental procedures without an adverse reaction.

Trial registration

Chinese Clinical Trial Registry, ChiCTR2000029802. Registered on February 14, 2020

Effect of an Immersive Virtual Reality Intervention on Pain and Anxiety Associated With Peripheral Intravenous Catheter Placement in the Pediatric Setting: A Randomized Clinical Trial

IMPORTANCE

The inclusion of digital therapeutics (eg, virtual reality [VR] systems) for the management of pain and anxiety associated with routine acutely painful medical procedures may have a substantial impact on treatment adherence and improve long-term health outcomes among young patients.

OBJECTIVE

To determine whether a VR intervention decreases pain and anxiety among patients undergoing peripheral intravenous catheter (PIVC) placement compared with standard care in the pediatric setting.

DESIGN, SETTING, AND PARTICIPANTS

This randomized clinical trial was conducted from April 12, 2017, to July 24, 2019, among 107 patients aged 10 to 21 years who were undergoing PIVC placement in 2 clinical settings (a radiology department and an infusion center) at an urban pediatric academic medical center in the US. Patients, caregivers, and clinicians completed pre-PIVC and post-PIVC placement questionnaires measuring patient pain, anxiety, and anxiety sensitivity; only participants with complete data from before and after PIVC placment were included in the analyses.

INTERVENTIONS

Patients were randomized to receive standard care (simple distraction techniques [eg, music, coloring, singing, and talking] and the application of numbing cream) or a VR intervention using a balanced computer-generated randomization scheme stratified by sex. All patients who received the VR intervention were offered concurrent standard care; however, VR plus standard care was not specifically examined.

MAIN OUTCOMES AND MEASURES

Primary outcomes were patient pain (measured by the Faces Pain Scale-Revised) and anxiety (measured by a visual analogue scale) reported by the patient, caregiver, and clinician after PIVC placement. Outcomes were analyzed using generalized linear modeling with backward stepwise selection for final model building.

RESULTS

A total of 107 patients (median age, 14.7 years [interquartile range, 12.8-16.9 years]; 63 male participants [58.9%]) completed the clinical trial; 54 patients received standard care, and 53 patients also received the VR intervention. Patients who received the VR intervention compared with standard care had significantly lower mean post-PIVC anxiety scores when patient-reported (1.85 points [95% CI, 1.28-2.41 points] vs 3.14 points [95% CI, 2.59-3.68 points]; P < .001) and clinician-reported (2.04 points [95% CI, 1.37-2.71 points] vs 3.34 points [95% CI, 2.69-3.99 points]; P = .002). Patients in the VR group vs the standard care group also had significantly lower mean post-PIVC pain scores when patient-reported (1.34 points [95% CI, 0.63-2.05 points] vs 2.54 points [95% CI, 1.78-3.30 points]; P = .002), caregiver-reported (1.87 points [95% CI, 0.99-2.76 points] vs 3.01 points [95% CI. 1.98-4.03 points]; P = .04), and clinician-reported (2.05 points [95% CI, 1.47-2.63 points] vs 3.59 points [95% CI, 2.97-4.22 points]; P < .001). Aside from lower levels of baseline pain and anxiety, no demographic variables among patients in the VR group were associated with lower levels of post-PIVC pain and anxiety.

CONCLUSIONS AND RELEVANCE

In this randomized clinical trial, patients undergoing PIVC placement who received a VR intervention experienced significantly less anxiety and pain compared with those who received standard care. The use of patient, caregiver, and clinician data provided a variety of subjective information, as well as observable and objective data regarding perceived pain and anxiety beyond patient reporting alone.

TRIAL REGISTRATION

ClinicalTrials.gov Identifier: CHLA-15-00549.

Virtual Reality Reduces Pain in Laboring Women: A Randomized Controlled Trial

OBJECTIVE

Virtual reality (VR) represents a potential method for easing labor pain and in nonpregnant patients has been shown to achieve similar or greater analgesia than hydromorphone. Few studies of VR have been performed in pregnant women. The aim of this randomized controlled trial (RCT) is to evaluate whether VR is effective in reducing pain in laboring women.

STUDY DESIGN

An open-label, RCT of nulliparous, term women in labor in a tertiary care hospital. We included women with a pain score level of 4 to 7 having regular contractions at least every 5 minutes. We excluded women who had received any pharmacologic pain relief including neuraxial analgesia and those with contraindications to VR. Participants were randomized to up to 30 minutes of either VR or the control arm (no additional intervention). Our primary outcome was the difference in differences from pre- to postintervention pain score. Prespecified secondary outcomes included postintervention pain scores, duration of intervention use, pharmacologic analgesia use, maternal vitals, and obstetric outcomes.

RESULTS

From March 2018 to February 2019, 40 subjects were enrolled, randomized, and completed the study; 19 were randomized to control and 21 to the VR arm. Most baseline characteristics were similar between groups. For the primary outcome, those assigned to the control arm had a statistically significant increase in pain of +0.58, while the VR arm had a significant reduction in pain of -0.52 (p = 0.03). There was also a difference in the proportion who had a minimum clinically important difference in pain (0% control and 23.8% VR; p = 0.049). Postintervention maternal heart rate was higher in the control arm (86.8 vs. 76.3, p = 0.01). Most other secondary outcomes did not differ.

CONCLUSION

In our study, we found that VR was effective for reducing pain in women in labor as compared with those receiving no intervention.

KEY POINTS

· Virtual reality (VR) represents a nonpharmacologic option for pain relief.. · VR has been little studied in pregnant or laboring women.. · VR was associated with a reduction in pain in nulliparous women in labor..

Feasibility of a virtual reality intervention in the intensive care unit

BACKGROUND

Delirium prevention requires optimal management of pain and anxiety. Given the limitations of current pharmacologic interventions, evaluation of novel non-pharmacological interventions is required. Virtual reality (VR) stimulation may be a promising intervention because of its capability to reduce psychophysiological stress, pain, and anxiety and to restore cognitive and attentional capacities.

OBJECTIVE

To ascertain patients' and providers' perceptions of acceptability and safety of VR intervention in the intensive care unit (ICU).

METHODS

We enrolled a cohort of 15 ICU patients and 21 health care providers to administer a 15-minute session showing a relaxing beach scene with VR headsets and nature sound effects. Participants were then asked to rate their experiences on a Likert scale survey.

RESULTS

The majority of patients (86%, 12 of 14) rated the headsets as moderately to very comfortable. All had moderate or greater sense of presence in the virtual environment, and 79% (11 of 14) rated their overall experience at 3 or greater (5 indicating that they enjoyed it very much). Seventy-one percent (10 of 14) of the patients felt that their anxiety was better with VR, and 57% (8 of 14) did not notice a change in their pain or discomfort. All health care providers found the headset to be at least moderately comfortable and felt a moderate or greater sense of presence. All providers concluded that VR therapy should be available for their patients. Both groups experienced minimal side effects.

CONCLUSION

In this prospective study of perceptions of VR therapy for ICU patients and health care providers, there was a high level of acceptance, with minimal side effects, for both groups despite their low levels of prior experience with virtual reality and video gaming.

The Challenges and Perspectives of the Integration Between Virtual and Augmented Reality and Manual Therapies

Virtual reality (VR) and augmented reality (AR) have been combined with physical rehabilitation and psychological treatments to improve patients' emotional reactions, body image, and physical function. Nonetheless, no detailed investigation assessed the relationship between VR or AR manual therapies (MTs), which are touch-based approaches that involve the manipulation of tissues for relieving pain and improving balance, postural stability and well-being in several pathological conditions. The present review attempts to explore whether and how VR and AR might be integrated with MTs to improve patient care, with particular attention to balance and to fields like chronic pain that need an approach that engages both mind and body. MTs rely essentially on touch to induce tactile, proprioceptive, and interoceptive stimulations, whereas VR and AR rely mainly on visual, auditory, and proprioceptive stimulations. MTs might increase patients' overall immersion in the virtual experience by inducing parasympathetic tone and relaxing the mind, thus enhancing VR and AR effects. VR and AR could help manual therapists overcome patients' negative beliefs about pain, address pain-related emotional issues, and educate them about functional posture and movements. VR and AR could also engage and change the sensorimotor neural maps that the brain uses to cope with environmental stressors. Hence, combining MTs with VR and AR could define a whole mind-body intervention that uses psychological, interoceptive, and exteroceptive stimulations for rebalancing sensorimotor integration, distorted perceptions, including visual, and body images. Regarding the technology needed to integrate VR and AR with MTs, head-mounted displays could be the most suitable devices due to being low-cost, also allowing patients to follow VR therapy at home. There is enough evidence to argue that integrating MTs with VR and AR could help manual therapists offer patients better and comprehensive treatments. However, therapists need valid tools to identify which patients would benefit from VR and AR to avoid potential adverse effects, and both therapists and patients have to be involved in the development of VR and AR applications to define truly patient-centered therapies. Furthermore, future studies should assess whether the integration between MTs and VR or AR is practically feasible, safe, and clinically useful.