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Purpose <p>To appraise the efficacy of anti-vascular endothelial growth factor (anti-VEGF) drugs as an adjunctive treatment before pars plana vitrectomy (PPV) in patients suffering from proliferative diabetic retinopathy (PDR).</p> Methods <p>Relevant studies published up to December 2024 were retrieved from PubMed, Embase, Cochrane, and Web of Science. Data analysis was implemented by means of Stata version 15.0. Weighted mean difference (WMD), risk ratio (RR), and their corresponding 95% confidence intervals (CIs) were estimated.</p> Results <p>17 randomized controlled trials (RCTs) were incorporated. The meta-analysis revealed that preoperative anti-VEGF treatment in PDR patients can reduce intraoperative vitreous hemorrhage (VH) (RR = 0.38, 95% CI 0.28, 0.52, P &lt; 0.01), decrease the incidence of iatrogenic retinal tears (RR = 0.56, 95% CI 0.43, 0.72, P &lt; 0.01), and shorten surgical duration (WMD =  − 24.04, 95% CI − 30.37, − 17.71, P &lt; 0.01). Additionally, this treatment improves postoperative best-corrected visual acuity (BCVA) (WMD =  − 0.18, 95% CI − 0.28, − 0.09, P &lt; 0.01), reduces both early (RR = 0.63, 95% CI 0.45, 0.89, P = 0.009) and late-stage (RR = 0.43, 95% CI 0.26, 0.70, P = 0.001) VH, and accelerates the absorption of recurrent VH.</p> Conclusions <p>The preoperative use of anti-VEGF agents in PPV can reduce the incidence of intraoperative VH and retinal tears, thereby facilitating a quicker and easier surgical procedure.</p>

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Efficacy of intravitreal injection of anti-vascular endothelial growth factor as an adjunctive treatment for proliferative diabetic retinopathy before pars plana vitrectomy: a systematic evaluation and meta-analysis

  • 期刊论文

  • 发表日期：

    2025年10月28日

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  • Bin Fan,
  • SuHui Zhu,
  • XiaoHu Chen,
  • Yan Dai

摘要

Purpose

To appraise the efficacy of anti-vascular endothelial growth factor (anti-VEGF) drugs as an adjunctive treatment before pars plana vitrectomy (PPV) in patients suffering from proliferative diabetic retinopathy (PDR).

Methods

Relevant studies published up to December 2024 were retrieved from PubMed, Embase, Cochrane, and Web of Science. Data analysis was implemented by means of Stata version 15.0. Weighted mean difference (WMD), risk ratio (RR), and their corresponding 95% confidence intervals (CIs) were estimated.

Results

17 randomized controlled trials (RCTs) were incorporated. The meta-analysis revealed that preoperative anti-VEGF treatment in PDR patients can reduce intraoperative vitreous hemorrhage (VH) (RR = 0.38, 95% CI 0.28, 0.52, P < 0.01), decrease the incidence of iatrogenic retinal tears (RR = 0.56, 95% CI 0.43, 0.72, P < 0.01), and shorten surgical duration (WMD =  − 24.04, 95% CI − 30.37, − 17.71, P < 0.01). Additionally, this treatment improves postoperative best-corrected visual acuity (BCVA) (WMD =  − 0.18, 95% CI − 0.28, − 0.09, P < 0.01), reduces both early (RR = 0.63, 95% CI 0.45, 0.89, P = 0.009) and late-stage (RR = 0.43, 95% CI 0.26, 0.70, P = 0.001) VH, and accelerates the absorption of recurrent VH.

Conclusions

The preoperative use of anti-VEGF agents in PPV can reduce the incidence of intraoperative VH and retinal tears, thereby facilitating a quicker and easier surgical procedure.