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糖尿病玻璃体出血的玻璃切除术期间的泛视网膜光凝:一项临床试验比较了内激光器应用量
Ryan B Rush1, Pedro Luis Gomez2, Pedro Gomez Bastar2
1Instituto de la Visión- Hospital La Carlota, Camino al Vapor #209 Colonia Zambrano, Montemorelos, Nuevo León 67530, Mexico; Panhandle Eye Group, 7400 Fleming Ave, Amarillo, TX 79106, USA; Texas Tech University Health Science Center, 1400 S. Coulter, Amarillo, TX 79106, USA; Southwest Retina Specialists, 7411 Wallace Blvd, Amarillo, TX 79106, USA.
Asia-Pacific journal of ophthalmology (Philadelphia, Pa.)
|April 11, 2025
概括
在帕斯普拉纳视切除术 (PPV) 期间,更高数量的内激光应用用于多发性糖尿病视网膜病变 (PDR) 与玻璃体出血 (VH) 减少了术后的VH,改善了视力敏度. 这一发现表明PDR患者的最佳治疗策略.
科学领域:
- 眼科医生 眼科 眼科
- 视网膜外科手术 视网膜外科手术
- 糖尿病视网膜病变的治疗方法
背景情况:
- 扩散性糖尿病视网膜病变 (PDR) 经常导致玻璃体出血 (VH),可能导致视力丧失.
- 帕斯平面玻璃切除术 (PPV) 是一种手术选择,用于在PDR中管理VH.
- 在PPV中对PDR进行最佳的endolaser光凝量仍然是一个研究领域.
研究的目的:
- 为了比较两种不同剂量的内激光光凝在PPV期间的有效性,在PDR相关的VH患者中进行PPV.
- 为了确定内分激光应用密度对术后结果的影响.
主要方法:
- 一项随机临床试验,涉及144名先前未接受治疗的PDR患者.
- 参与者被分配在PPV期间接受250±50 (A组) 或550±50 (B组) 的内激光应用.
- 主要结局:术后VH率;次要结局:6个月视力敏度.
主要成果:
- 与A组 (30.0%) (P=0.002) 相比,B组 (12.2%) 观察到术后VH的发生率明显较低.
- 在6个月后,B组比A组 (0.79 logMAR) 获得了明显更好的视力敏度 (0.4 logMAR) (P=0.006).
- 91名患者完成了6个月的随访.
结论:
- 与250±50次应用相比,在PPV期间对PDR相关的VH进行550±50次内激光应用导致术后VH发生率降低,视力敏度改善.
- 这些发现表明,更高密度的内激光治疗可能有助于管理VH的PDR.
- 建议进行进一步的研究,以在更广泛的PDR人群中证实这些结果.
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