曲安奈德辅助玻璃体切割及常规玻璃体切割治疗弥漫性糖尿病黄斑水肿临床疗效观察

目的 对比研究曲安奈德辅助玻璃体切割与单纯玻璃体切割手术治疗弥漫性糖尿病黄斑水肿的临床效果.方法 回顾性收集2004年6月至2007年9月因弥漫性糖尿病黄斑水肿性行玻璃体切割治疗的29只眼28例病人,分为:单纯玻璃体切割及TA辅助玻璃体切割两组.所有患者均严格控制血糖、血压,术前均详细检查视力、眼压、裂隙灯、检眼镜眼底、荧光血管造影(FFA)、光学相干断层扫描(OCT),分别记录术前术后1月、3月、6月、12月视力及黄斑厚度,进行对比,并观察手术后并发症,全部患者术后平均随访(13.8±1.2)月,结果所有患者均顺利进行玻璃体手术治疗,单纯玻璃体切割组:术前患者平均视力0.15±0.09,术后1月、3月、6月、12月平均视力0.13±0.08、0.16±0.11、0.22±0.09、0.26±0.12,术前黄斑厚度平均OCT值(434±121)μm,术后1月、3月、6月、12月平均OCT值为(358±108)μm、(322±86)μm、(284±69)μm、(246±75)μm,TA辅助玻璃体切割组:术前患者平均视力0.13±0.07,术后1月、3月、6月、12月平均视力0.12±0.06、0.15±0.09、0.21±0.11、0.24±0.10,术前黄斑厚度平均OCT值(452±106)μm,术后1月、3月、6月、12月平均OCT值为(295±113)μm、(276±77)μm、(261±52)μm、(233±58)μm,两组患者术后12月视力均较术前明显提高,有统计学差异,黄斑中心凹厚度变化,各观察时间点均较术前有统计学意义下降.对比两组患者术前术后各观察时间点视力及黄斑中心凹厚度变化显示,TA辅助玻璃体切割组术后早期黄斑中心凹厚度下降程度,较单纯玻璃体切割组明显,有统计学意义.术中TA辅助玻璃体切割组3例出现医源性网膜裂孔,激光封口,无患者术后出现玻璃体出血,虹膜新生血管,视网膜前膜,无患者行白内障手术.结论 两种方法显示,玻璃体切割手术可显著减轻弥漫性糖尿病黄斑水肿并逐步改善患者视功能,TA辅助玻璃体切割手术增加了术中透明玻璃体可视性,有利于后极部玻璃体切除,术后可较快恢复黄斑组织结构,对于手术治疗减轻黄斑水肿机制及手术远期效果还需大样本多中心临床观察.

To compare the clinic efficaccy of triamcinolone acetonide-assisted and conventional surgical procedures during pars plana vitrectomy for the treatment of diffuse diabetic macular edema

Objective To evaluate the clinic outcome of two surgical procedures during pars plana vitrectomy (PPV) for the treatment of diffuse diabetic macular edema (DME).Methods: In this nonrandomized study,we retrospectively analyzed 29 eyes of 28patients who had DME and had undergone PPV. We performed PPV using two different surgical procedures:conventional PPV (group PDV; 13 eyes), triamcinolone acetonide(TA) Ⅲ assisted PPV (group TA; 16eyes), We also evaluated the preoperative and postoperative best-corrected visual acuity (VA) and optical coherence tomography(OCT) results.Mean follow up period was 13.8±1.2 months Results At last follow-up,significantl improvements in VA and OCT results were observed in both groups,but no significant difference in BCVA or OCT results between two groups,in postoperative 1 and 3 months,we also observed more significant decrease in postopereative foveai retinal thickness in group TA compared to group PDV,other postoperative complications reported before werenot met in our cases Conclusion Pars plana vitrectomy for diffuse diabetic macular edema is an effective procedure for redwing the edema thickness and can improve visual acuity gradually,the inwaoperative use oftriamcinolone acetonide during PPV can enhance visualization of posterior segment structures effectively.but the long-term efficacy of this method should be observed