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Meta-Analysis
. 2020 Jun 25;8(6):e15574.
doi: 10.2196/15574.

Telemedicine in Chronic Wound Management: Systematic Review And Meta-Analysis

Lihong Chen  1 , Lihui Cheng  2   3 , Wei Gao  1 , Dawei Chen  1 , Chun Wang  1 , Xingwu Ran  1
Affiliations
Meta-Analysis

Telemedicine in Chronic Wound Management: Systematic Review And Meta-Analysis

Lihong Chen et al. JMIR Mhealth Uhealth. .

Abstract

Background: Chronic wounds have been a great burden to patients and the health care system. The popularity of the internet and smart devices, such as mobile phones and tablets, has made it possible to adopt telemedicine (TM) to improve the management of chronic wounds. However, studies conducted by different researchers have reported contradictory results on the effect of TM on chronic wound management.

Objective: The aim of this work was to evaluate the efficacy and safety of TM in chronic wound management.

Methods: We systematically searched multiple electronic databases (MEDLINE, EMBASE, and Cochrane Central Register of Controlled Trials [CENTRAL]) to identify eligible studies published from inception to June 12, 2019. Inclusion criteria were randomized controlled trials (RCTs) and interventional cohort studies that investigated the use of TM in chronic wound management. RCT and observational data were analyzed separately. A meta-analysis and qualitative analysis were conducted to estimate endpoints.

Results: A total of 6 RCTs and 6 cohort studies including 3913 patients were included. Of these, 4 studies used tablets or mobile phones programmed with apps, such as Skype and specialized interactive systems, whereas the remaining 8 studies used email, telephone, and videoconferencing to facilitate the implementation of TM using a specialized system. Efficacy outcomes in RCTs showed no significant differences in wound healing (hazard ratio [HR] 1.16, 95% CI 0.96-1.39; P=.13), and wound healing around 1 year (risk ratio [RR] 1.05, 95% CI 0.89-1.23; P=.15). Noninferiority criteria of TM were met. A decreased risk of amputation in patients receiving TM was revealed (RR 0.45, 95% CI 0.29-0.71; P=.001). The result of cohort studies showed that TM was more effective than standard care (HR 1.74, 95% CI 1.43-2.12; P<.001), whereas the outcome efficacy RR of wound healing around 1 year (RR 1.21, 95% CI 0.96-1.53; P=.56) and 3 months (RR 1.24, 95% CI 0.47-3.3; P=.67) was not significantly different between TM and standard care. Noninferiority criteria of TM were met for wound healing around 1 year in cohort studies.

Conclusions: Currently available evidence suggests that TM seems to have similar efficacy and safety, and met noninferiority criteria with conventional standard care of chronic wounds. Large-scale, well-designed RCTs are warranted.

Keywords: meta-analysis; telemedicine; wound healing; wounds and injuries.

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Conflict of interest statement

Conflicts of Interest: None declared.

Figures

Figure 1
Figure 1
The effect of telemedicine on wound healing. HR: hazard ratio.
Figure 2
Figure 2
The effect of telemedicine on wound healing around 1 year. RR: risk ratio.
Figure 3
Figure 3
The effect of telemedicine on wound healing around 3 months. RR: risk ratio.
Figure 4
Figure 4
The effect of telemedicine on all-cause mortality. RR: risk ratio.
Figure 5
Figure 5
The effect of telemedicine on amputation. RR: risk ratio.
See this image and copyright information in PMC

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