Comparing the Efficacies of Telemedicine and Standard Prenatal Care on Blood Glucose Control in Women With Gestational Diabetes Mellitus: Randomized Controlled Trial

Ying Tian, Suhan Zhang, Feiling Huang, Liangkun Ma, Ying Tian, Suhan Zhang, Feiling Huang, Liangkun Ma

Abstract

Background: Gestational diabetes mellitus (GDM) can usually be well controlled by health education and lifestyle management, resulting in better pregnancy outcomes. However, standard clinical prenatal care, which consists of clinic visits every 2 weeks, may not provide sufficient management for women with GDM. Telemedicine demonstrates a potential to fill this gap.

Objective: The objective of this study was to investigate whether health education and lifestyle management delivered through a WeChat group chat was more effective in controlling blood glucose (BG) than standard clinical prenatal care among women with GDM.

Methods: In this multicenter randomized controlled trial, women with GDM diagnosed by an oral glucose tolerance test between 23 and 30 (+6) gestational weeks were randomized to a WeChat group chat-based BG management group or a routine clinical prenatal care group. The primary outcome was the change in the glycemic qualification rate during the follow-up period in both groups. The secondary outcomes were pregnancy outcomes.

Results: A total of 309 women with GDM participated in the trial, with 162 women randomized to the control group and 147 to the intervention group. No significant differences in baseline characteristics were found between the control and intervention groups. Participants were further divided into 4 groups according to gestational weeks at enrollment for further analysis. The glycemic qualification rate of the intervention group was higher than that of the control group at nearly all time points in Groups 1 to 3, among which 3 time points reached statistical significance: Group 1 at T3 (54.8% vs 83.3%) and Group 2 at T3 (62.5% vs 80.0%) and T7 (75.0% vs 100%). The glycemic qualification rate gradually increased as gestational weeks progressed in both groups, regardless of the intervention method. None of the pregnancy outcomes measured, including delivery mode, premature rupture of the membranes, preterm birth, infant's birth weight, and postpartum hemorrhage, were significantly different between the control and intervention groups.

Conclusions: This multicenter randomized controlled trial that assessed women with noninsulin-dependent GDM demonstrated that additional instant messaging platforms, such as WeChat, used for health education and lifestyle intervention in China tend to be more effective for BG control than standard clinical prenatal care alone.

Trial registration: ClinicalTrials.gov NCT03748576; https://ichgcp.net/clinical-trials-registry/NCT03748576.

Keywords: blood glucose; gestational diabetes mellitus; health education; lifestyle management; mhealth.

Conflict of interest statement

Conflicts of Interest: None declared.

©Ying Tian, Suhan Zhang, Feiling Huang, Liangkun Ma. Originally published in JMIR mHealth and uHealth (https://mhealth.jmir.org), 25.05.2021.

Figures

Figure 1
Figure 1
Study flowchart.
Figure 2
Figure 2
Glycemic qualification rate of the intervention and control groups in Group 1 (enrolled between 23 and 24 [+6] gestational weeks) at different time points. T: 2-week period.
Figure 3
Figure 3
Glycemic qualification rate of the intervention and control groups in Group 2 (enrolled between 25 and 26 [+6] gestational weeks) at different time points. T: 2-week period.
Figure 4
Figure 4
Glycemic qualification rate of the intervention and control groups in Group 3 (enrolled between 27 and 28 [+6] gestational weeks) at different time points. T: 2-week period.
Figure 5
Figure 5
Glycemic qualification rate of the intervention and control groups in Group 4 (enrolled between 29 and 30 [+6] gestational weeks) at different time points. T: 2-week period.

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Source: PubMed

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