ETSN  Vol.5 No.2 , June 2016
The Use of Video Conferencing for Persons with Chronic Conditions: A Systematic Review
ABSTRACT
The purpose of this paper is to present a systematic review of studies that used Video Conferencing (VC) intervention for common chronic conditions. Chronic conditions account for the majority of poor health, disability, and death, and for a major portion of health-care expenditures in the United States. Innovative methods and interventions are needed to enhance care and management, improve access to care, improve patient outcomes, narrow health disparities and reduce healthcare costs. Video Conferencing could be particularly relevant in improving health, care management, access and cost in the care of chronic illnesses. A comprehensive literature search process guided by the PRISMA statement led to the inclusion of 27 articles measuring video conferencing, at least one chronic illness, and patient outcomes for adults living in a community setting. While VC has been found to be feasible and effective, a low number of randomized controlled trials limit evidence. In addition, studies in this review were not designed to address the question of whether access to care in rural areas is improved through VC. Hence, more research is needed.

Received 26 April 2016; accepted 4 June 2016; published 7 June 2016

1. Introduction

Living with multiple chronic conditions (MCC) compounded by experiencing health disparity is extremely challenging. A chronic condition is one that persists a year or longer and requires ongoing medication, attention, and/or limits activities of daily living [1] . Health disparity is an individual’s ability to achieve good health outcomes, which can be affected by ethnicity, gender, age, disability, socioeconomic status, and geographic location, particularly for those living in rural areas [2] [3] . Chronic conditions account for the majority of poor health, disability, and death, and for a major portion of health-care expenditures in the United States (US) [4] . Approximately half (117 million) of US adults have at least one chronic condition, and 1 in 4 adults have multiple chronic conditions [5] . Individuals with MCC may have difficulty achieving goals of treatment due to the complexity of treatments, conflicting advice for each condition, and co-existing health disparities [6] - [9] . Therefore, persons with MCC and health disparities living in rural areas are at higher risk for limited access to care which can result in poor chronic condition control and decreased self-management [10] [11] .

Hence, treating MCC while also addressing health disparity is a complicated issue for healthcare providers. This complexity has been defined as the gap between the individual’s needs and the capacity of healthcare services to support those needs [6] . Innovative methods and interventions are essential to enhance the care and management of MCC, improve access to care, improve patient outcomes, narrow health disparities and reduce healthcare costs [12] . Use of technology to treat MCC has been suggested [7] because technology can improve the capability to monitor patients, coordinate care services for patients seeking multiple healthcare providers in different geographic locations, and manage patient symptoms [13] . Video Conferencing (VC) offers a potential solution to this complexity by incorporating audio/visual enhancements to technology-based interventions for the treatment of individuals with health disparity and MCC.

Video conferencing is a communication technology that allows two or more locations to connect in real-time two-way video and audio transmission [14] . This type of technology enables patients to access healthcare services, by using the internet, without the burden of distant travel. Eliminating health disparities such as advanced age, physical disability, and isolated geographic location are possible through this technology. Video Conferencing could be particularly relevant in the context of MCC care when there are high levels of unmet need, and demands on services are likely to increase [5] . The purpose of this paper is to present a systematic review of studies that used Video Conferencing intervention for common chronic conditions.

2. Methods

After reading and critiquing full articles, 13 articles did not meet the inclusion criteria and were eliminated from this review. One article did not fit the definition of VC used in this article [17] . Two articles explained the potential of VC but did not report patient outcomes [18] [19] . Four articles were study protocols and did not report data [20] - [23] , three articles were commentaries or letter’s to the editor [24] [25] , and four articles measured provider but not patient outcomes [26] - [29] . Finally, the Cochrane Library was searched for a review on video conferencing, but no applicable results were found.

3. Results

A total of 27 articles are included in this review (see Figure 1). The majority of studies took place in The United

Figure 1. Literature search [insert here from uploaded. jpg file].

States (n = 11) and Canada (n = 9). While, a few articles were set in Australia (n = 3), The United Kingdom (n = 3), and China (n = 1). Limits were not set for year published while searching the literature. However, all studies in this review were published within the last 15 years and the majority were published in the last 5 years (n = 16). Of the reviewed articles, three were review articles and eight were randomized controlled trials. The remaining articles were feasibility or quasi-experimental studies (n = 10), descriptive observational studies (n = 3), one cost analysis, one purely qualitative article and one retrospective chart review. The sample size for articles ranged from 2 - 249 participants with the majority of studies having 50 or less participants (n = 14). The type of connection used for the video conferencing was often web based (n = 14) especially in the last 5 years (see Table 1).

3.1. Results Overview

Videoconferencing has been used in many different areas of healthcare and has been generally successful in improving patient outcomes. The types of chronic illness that researchers evaluated using VC included: mental health issues (n = 11), neurological (n = 6), long term care patients (n = 2), oncology (n = 2), rehabilitation (n = 2), obesity (n = 1), angina/heart failure (n = 1), diabetes (n = 1), Human Immunodeficiency Virus (n = 1). Video Conferencing was shown to be feasible, result in positive patient experiences, improve outcomes, decrease hospital days, be similar to in-person care, decrease cost, and improve caregiver quality of life [23] [25] [30] - [52] . Two studies found VC to be less efficient or potentially not feasible in certain populations (n = 2) [53] [54] .

Table 1. Literature review matrix: study aim, design, type of video conferencing (vc), sample, data collection characteristics, chronic illness, and results.

The studies that found VC to be ineffective attributed the lack of efficacy to the age of the participants, technical difficulty, or a desire to have in-person sessions. A study of real-time web-based monitoring on two patients recovering from strokes was done to help improve their walking ability. One individual strongly favored the technology and the other strongly opposed it due to wanting the primary therapist in person at all times [53] . A study on in-home video conferencing for geriatric rehabilitation was not successful for a variety of reasons including vision and hearing impairment, client anxiety and stress, dementia, cluttered home environment and in-home assistance being needed to operate the equipment and the need to remain with the patient due to high risk for falls [54] . The authors of this study recommended use of video conferencing in a geriatric population that is higher functioning with fewer co-morbidities. All of these studies had limitations of very small sample sizes. Video conferencing should be tested with larger sample sizes to effectively determine its utility.

3.2. Mental Health

Most of the literature on use of VC is related to mental health and neurological disorders. Ten different studies report the use of VC in the care of patients and families with dementia, neurodegenerative disorders, and mental health issues [33] - [35] [38] [41] [43] - [45] [48] [52] . Most of these studies had positive results, including being more cost effective and time efficient for both the healthcare provider and patient [34] [35] . However, one study had mixed results. Chua (2001) compared in-person neurological referrals to VC neurological referrals. The VC group had an increased number of assessments, there were no differences in the number of medications prescribed and patients were satisfied with both types of consultation. However, some participants reported embarrassment related to being on camera [33] .

3.3. Mental Health Diagnosis & Assessment

Diagnosis and assessment related to mental health and neurological disorders is possible using VC. Amarendran et al. conducted a study on the ability to complete an assessment of involuntary movement using VC compared to an in-person assessment for 50 participants who had been exposed to antipsychotic medications for a minimum of 10 years [30] . The measure used was the Abnormal Involuntary Movement Scale (AIMS) and the assessment was conducted with two raters in the room and two other raters watching from a nearby remote location; the raters were rotated for each session. An analysis was conducted using multilevel modeling to assess the extent to which total variance in rating was due to the differences between raters rating the same patient and differences between patient to patient. The mean Global Rating for the in-person assessment was 1.35 (sd = 1.03) and the mean Global Rating for the VC assessment was 1.37 (sd = 0.92). The difference was not significant.

Martin-Khan (2012) evaluated the use of VC for establishing the diagnosis of dementia and reported that in 205 adults (aged 50 or older), the clinical assessment for the diagnosis of dementia using valid and reliable instruments can be accomplished using VC. During intellectual assessments, results show there is no statistically significant difference in test results compared to in-person care [48] . Another study [41] evaluated VC compared to three other interventions: computer assisted treatment, in-person treatment, and no treatment for 103 patients with Acquired Brain Injury (ABI). While the in-person administered training showed better improvements in self-efficacy and in problem-solving, the diagnosis of dementia using VC was feasible, effective and there were no differences in other measures. Thus, a combination of in-person and VC training for patients with ABI may be beneficial.

Another study found that VC and in-person assessment did differ between groups. Temple et al. conducted a descriptive observational study on the use of video conferencing (VC) compared to in-person assessments of persons with intellectual disabilities (ID) [48] . There were 19 participants with a mean age of 38.5 and some form of ID along with no visual or hearing impairment. The participants were assessed using two measures, the Wechsler Abbreviated Scale of Intelligence (WASI) and the Beery-Buktenice Developmental test of visual- motor integration-IV (VMI). Participants had two testing sessions, one over VC and one in-person with a 5 to 21 month time in between with the mean time being 10.4 months. The results from the WASI indicated the visual IQ (VIQ) scores were higher in-person (in-person mean = 70, VC mean = 67). Though the performance IQ (PIQ) scores were higher for the VC group (VC mean = 68.4, in-person mean = 66.3). The full scale IQ (FSIQ) and VMI on average differed less than 1 point (FSIQ diff = −0.8, VMI diff = −0.6). Analyses show that the WASI scores for FSIQ and PIQ had no significant change. The change in the VIQ however was found to be significant and the VMI scores did not differ significantly. The results indicate that using VC to conduct intellectual assessments is effective; however the sub-scoring of the WASI, specifically the VIQ, suggests that this should be done cautiously. Informal questioning revealed that patients and providers both see VC as an acceptable method of performing assessments. However, this study was also limited by its small sample size.

3.4. Mental Health Treatment

Treatment of mental health and neurological disorders for both patients and caregivers can be delivered through or assisted by VC. A mixed methods study was conducted with 18 individuals diagnosed with mood and or anxiety disorder using a VC provided cognitive behavioral therapy (CBT) intervention program compared to in-person CBT therapy. The study showed support for use of VC in the provision of CBT compared to in-person CBT as there were no significant differences in the VC group compared to the in-person group [38] .

Marzali & Donahue (2006) compared the effectiveness of a VC support group to a no treatment usual care group in a sample of 66 caregivers of older adults with Alzheimer’s disease. The study concluded that the caregivers rated the computer use as a positive experience and that the VC group improved on caregiver stress while the no treatment group reported increased stress. Subsequently, Marzali & Garcia (2011) compared the reported stress and health status of caregivers of persons with dementia using two groups: an internet chat support group that included a caregiver handbook and six educational videos versus internet-based videoconferencing delivered by a clinician that also included the caregiver handbook. In this study of 91 caregivers, both groups improved on self-efficacy and neither group changed in their use of health and social services. However, the VC group had greater improvement in mental health and stress scores.

Grady et al. conducted a retrospective chart review to evaluate the effect of telehealth care for remote military populations suffering from mental health conditions [36] . The records reviewed came from two locations, the National Navel Medical Center and the Patuxent River Clinic. These locations were chosen because they were similarly staffed and provided similar access to medical services. The National Navel Medical Center has offered telehealth care for a few years and the Patuxent Clinic did not offer telehealth services, making the Patuxent Clinic an appropriate control. The principal measure being used was the Global Assessment of Functioning and the treatments measured were laboratory studies, number of medications used, adherence, mental status examinations, general number and type of diagnosis. Of the records available, 81 had two or more visits as required to evaluate a change in Global Assessment of Functioning. Thirty of the participants had in-person encounters and 51 had VC encounters. The in-person groups initial mean score was 56 and the final in-person score was 65 with a mean change being 8.4. The VC group’s mean initial score was 54 and the final was 69, with a mean change in being 15.3. The change between VC and in-person groups was found to be significant. The VC group also had significantly more patients who demonstrated adherence (used medications and came to consultation appointments) than the in-person group (VC = 94%, in-person = 89%). It was also determined that the time between appointments was significantly shorter in the VC group with 73% of the appointments within 30 days as compared to 62% within the same time frame in the in-person group.

Grady, 2002, conducted a comparative cost analysis between the currently available methods of providing treatment of mental health issues for military personnel and veterans [35] . The four options examined were using the locally available heath care providers, travel to a military medical center, travel to a local medical facility where there is a circuit riding provider, and using VC to see a remotely located heath care provider. The cost of each service was calculated taking into account the cost to the patient, cost to the military, and cost to the clinic/provider. These costs included travel, missed work/lost time, equipment cost, reimbursement, and operational cost. The total monthly cost calculated revealed that the most expensive was travel to a military medical facility ($6986.72), followed by using the local network of health care providers ($5510.39), then traveling to a local facility where a circuit provider is located ($5421.67) then using VC systems ($4599.73). The primary reason for the reduced cost of telehealth is the estimated reduction in hospitalization costs ($648.50, 14%) along with reduced appointment times, 5 - 10 min, and the removal of much of the travel time for both the patient and provider. The initial installation of a VC system is estimated at $719.71 per month but the reduction of other costs covers the difference.

More recently, Woolf et al., (2015) assessed the feasibility of comparing therapies for word finding for persons with aphasia with four groups: remote therapy from University site, remote therapy from clinical site, in-person therapy, and attention control group. Woolf enrolled 21 persons with post-stroke aphasia and reported that participants gave positive ratings for the method of remote delivery. Participants in all therapy groups improved when compared to the attention-control groups but those who received remote therapy from the clinical site were most improved.

A descriptive feasibility study conducted by Azad et al., evaluated the use of VC for dementia management in rural areas. The study involved 99 patients who used VC from the Tri-County Mental Health site in Cornwall to see 32 health care providers at the Ottawa Hospital between Nov. 2006 and Nov. 2010. The patients were identified by a geriatrician as being medically stable with noncomplex conditions and presenting with mild cognitive impairment or mild dementia. Only 50 of the 99 patients (51%) provided complete information on these measures. Most (92%) of the patients felt they were able to communicate all desired information to their provider as they could during an in-person visit. The Majority (90%) of patients and providers state they would be willing to use VC again. Of the 32 providers involved, 30 gave feedback and felt many of their appointments would have been canceled had the patient had to travel to the clinic, and 96% felt the VC appointment gave them needed advise related to clinical decision making. Without technical difficulties, which 7 out of the 30 providers experienced, the VC system allowed them to monitor their patients more closely and with greater efficiency.

3.5. Lifestyle Modification

Some success has been reported with VC for group and lifestyle intervention programs aimed at preventing diabetes [49] , improving obesity [32] , and healthy relationship habits [42] . The diabetes prevention study had an on-site program (n = 13) and a VC program (n = 14) that were both 16-weeks in which people with risk factors for diabetes were asked to keep track of fat and calorie intake and record minutes of physical activity. In both groups over 45% of participants achieved the 7% weight loss goal although there was no significant difference between the groups. The implications from this study are that increased participation from multiple sites in a diabetes prevention program is possible. Obesity interventions, such as virtual group visits using VC may assist in overcoming barriers including access to care and yield positive clinical outcomes, such as a decrease in body mass index. Results from a VC study of relationships in women with HIV showed that participants (n = 4) liked the increased and equitable attention among group members as well as reportedly high levels of unity and togetherness in the group. All the women stated that they would prefer VC for the Healthy Relationship program as opposed to an in-person program.

3.6. Oncology

Oncology patients have also experienced benefits with use of VC. Tamara and colleagues (2015) conducted a pilot study of a mobile health Pain Coping Skills Training (PCST) protocol for 25 patients with persistent pain from breast, lung, colorectal or prostate cancer who live an average of 69 miles from the medical center. Participants received a tablet computer to access four pre-planned video-conferencing sessions. Thirty to 45 minute video conferencing sessions using skype from the therapists’ office taught patients theoretical content on pain management and coached them through skills-based training including relaxation techniques. Of the 84% (N = 19) of patients who completed the study, all found it feasible and were satisfied with the program quality; 95% said it increased their understanding and over 90% reported pain management skill development. Significant reductions in pain severity, physical symptoms, psychological distress, and pain catastrophizing were found post-intervention.

Kitamura, Zurawel-Balaura & Wong (2010) conducted a systematic review of the literature to evaluate the feasibility of assessing, monitoring, and managing oncology patients via VC. They identified 19 published articles of 15 clinical oncology patient groups: one small randomized controlled trial (RCT); 7 non-randomized with control groups, and 7 case studies, with a total of 709 VC study patients and 346 control patients. Inclusion criteria were that VC included two-way communication for monitoring and was used by physicians or nurses with cancer patients in real time with at least one reported clinical outcome. Reported outcomes included patient satisfaction (although no validated scales were included) and preference for VC consultation, costs, provider satisfaction and convenience. The study supported the feasibility of VC with effectiveness for assessing, monitoring, and managing care of oncology patients. Clinical outcomes were not compromised and time and cost were comparable or reduced.

3.7. Follow-Up Care

Video conferencing has also been used in older populations for follow-up care for common chronic conditions and acute exacerbations of chronic conditions. Woodend and colleagues (2008) conducted a RCT to evaluate the effect on healthcare resource use, morbidity, and quality of life, of a 3 month intervention that included VC enhanced telemonitoring for patients with heart failure (HF) or angina. The weekly VC intervention involved a nurse contact in addition to daily telephone transmission of weight, blood pressure and periodic electrocardiograms (EKG) and a 1-year end-of study assessment. Video conferencing in combination with home tele-moni- toring was easy to use and had high satisfaction. There were no significant differences in physician visits between the VC and usual care groups. Primary outcome data documented 51% reduced number of hospital readmissions and 61% reduced days in hospital for patients with angina over 3 months and one year (reduced 45%/ 21%). Video conferencing was also an effective model of care for residents of long-term care facilities to enhance medical decision making for unscheduled conferencing with on call-physicians [23] and to facilitate consultation with specialty care [50] .

4. Discussion

Although VC has been studied for the past 15 years, evidence of effectiveness is limited by a low number of RCTs with large numbers of participants. Small samples and methodological weaknesses of the studies are major limiters to generalizability of the findings. However, studies of VC have shown feasibility, acceptability, efficacy, and cost effectiveness. In addition, initial assessment of movement and mental health disorders using VC may be different from in person care. However, diagnosis and treatment ability have been found to be the same as in-person care. More research is needed with larger samples and randomization.

The outcomes of this systematic review are that studies are not adequately designed to address the question of whether “access” in rural areas is improved through VC because multiple factors could have influenced the results of the studies. In addition, technical difficulties from what may be outdated technology have limited evidence of mostly moderate quality. Perhaps qualitative research can be used to identify key factors needed to improve access and what components can be done using VC. This could provide a foundation for quantitative studies of VC looking at health care re-admission, co-morbidity, deaths, and cost-effectiveness.

Over the past 5 years, most users of VC have moved to secure web-based systems and away from slower ISDN connections. There is a gap in publication of VC studies in countries outside the United States. Twenty of the 27 studies are conducted in North America where access to faster internet connection and technology is more prevalent. Countries and rural areas that have significant disparity in access to technology and fast internet may find this shift problematic.

Publication bias is a potential issue with this review. Much of the video conferencing technology is being developed by private industry and being used by clinical practices. Both of these groups may not have an academic purpose. Hence, much of the evidence of acceptability, feasibility and efficacy of video conferencing may not be published. This systematic review also contains clinical and methodological heterogeneity across studies. The types of participants, intervention and outcomes differ in each study and variability in study design occurs across studies. Statistical heterogeneity cannot be assessed in this article because a meta-analysis was not completed. Our objective was to complete a comprehensive review of the literature related to video conferencing so that we may conduct a practice change. The underlying systematic review of this literature does not yet lend itself to a meta-analysis. There are very few randomized controlled trials (RCTs) and the measures are quite different between the limited RCTs. However, we did not want to exclude articles from our review that were not RCTs as we believe they contribute meaningful information to our objective. In addition, this review provides insight on how to proceed both clinically and in future research.

All 8 RCTs used the comparators of in-person, usual care. Standard in-person usual care could vary from location to location and from country to country. No studies were found that compared different types of VC to determine the most effective method/type/intervention. The studies reviewed focused on patients from multiple populations with a differing chronic illnesses. While VC has been used in a wide range of health problems, reported studies using VC focus on one specific disease. VC has potential for use in patients with MCC and health disparities in multiple healthcare settings. Addressing the confounding co-morbid conditions experienced by many individuals living with chronic illness should be a priority. Future, prospective randomized controlled trials with adequate power that incorporate VC into Primary care and focus on MCC are warranted. Designing these trials will be complex and should be done using an organizing framework for developing complex interventions.

Acknowledgements

This project was supported by the Robert Wood Johnson Foundation Nurse Faculty Scholars Program. The Robert Wood Johnson Foundation Nurse Faculty Scholars Program is working to develop the next generation of national leaders in academic nursing through career development awards for outstanding junior nursing faculty. The program aims to strengthen the academic productivity and overall excellence of nursing schools by providing mentorship, leadership training and salary and research support to faculty.

List of Abbreviations

ABI = Acquired Brain Injury

AIMS = Abnormal Involuntary Movement Scale

BDI-II = Beck Depression Inventory Version 2

BMI = Body Mass Index

BP = Blood Pressure

CBT = Cognitive behavioral Therapy

CES-D = Center for Epidemiologic Studies Depression Scale

CFT = Clock Face Test

DAD = Disability Assessment for Dementia

EKG = Electrocardiograms

FS = Finger Stick

HF = Hear Failure

HIV = Human Immunodeficiency Virus

ID = Intellectual Disability

IQ = Intelligence Quotient

ISDN = Integrated Services Digital Network

IQCODE = Informant Questionnaire on Cognitive Decline in the Elderly

GSD-15 = Geriatric Depression Scale-15 Questions

MCC = Multiple Chronic Conditions

MMSE = Mini-Mental State Examination

NPI-Q = Neuropsychiatric Inventory Short form

OCD = Obsessive Compulsive Disorder

PC = Primary Care provider

PCST = Pain Coping Skills Training

PTSD = Post Traumatic Stress Disorder

RCT = Randomized controlled Trial

RUDAS = Rowland Universal Dementia Assessment Scale

SF36 = Short Form Health Survey 36 questions

VA = Veterans Administration

VC = Video Conferencing

VMI = Beery-Buktenice Developmental Test of Visual-Motor Integration-IV

WASI = Wechsler Abbreviated Scale of Intelligence

NOTES

*Corresponding author.

Cite this paper
Mallow, J. , Petitte, T. , Narsavage, G. , Barnes, E. , Theeke, E. , Mallow, B. and Theeke, L. (2016) The Use of Video Conferencing for Persons with Chronic Conditions: A Systematic Review. E-Health Telecommunication Systems and Networks, 5, 39-56. doi: 10.4236/etsn.2016.52005.
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