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02.11.2018 | Original Research | Ausgabe 6/2018 Open Access

Diabetes Therapy 6/2018

Effect of Intravitreal Bevacizumab with or without Macular Photocoagulation for Diabetic Macular Edema: A Meta-Analysis

Zeitschrift:
Diabetes Therapy > Ausgabe 6/2018
Autoren:
Kang Xiao, Shi-Jia Weng, Shen-Zhi Liang, Jiong Wang, Cheng Qian, Guang-Ming Wan
Wichtige Hinweise

Enhanced Digital Features

To view enhanced digital features for this article go to https://​doi.​org/​10.​6084/​m9.​figshare.​7223939.

Abstract

Introduction

In this meta-analysis, we aimed to assess the possible benefits of macular photocoagulation (MPC) as an additional treatment with intravitreal bevacizumab (IVB) in patients with diabetic macular edema.

Methods

The studies were identified from three databases: PubMed, Web of Science, and the Cochrane Library. The main outcome measures included change in best-corrected visual acuity (BCVA), differences in central macular thickness (CMT), and adverse events within the follow-up period. The results were pooled using weight mean difference with their corresponding 95% confidence intervals. A fixed or random effects model was employed, depending on the heterogeneity of the inclusion trials.

Results

Finally, three randomized controlled trial and two high-quality retrospective studies were identified and included. Changes in CMT at 1, 3, and 6 months did not vary significantly between the IVB-alone group and the IVB with MPC group (P = 0.26, 0.06, and 0.65, respectively). Similarly, changes in BCVA at 1, 3, and 6 months also did not vary significantly between the two groups (P = 0.20, 0.91, and 0.70, respectively). Whereas substantial heterogeneity was detected in the CMT results among these studies, the sensitivity analyses showed Solaiman’s study was probably the source of the heterogeneity. No publication bias was detected by funnel plots in this study.

Conclusion

Results of this meta-analysis showed that the treatments with IVB alone and combined IVB and MPC were similarly effective in improving BCVA and reducing CMT. However, more evidence is needed to evaluate their effects in the long-term periods.
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