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Efficacy of patterned scan laser in treatment of macular edema and retinal neovascularization

机译：图案扫描激光治疗黄斑水肿和视网膜新生血管的疗效

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Purpose: To analyze the benefits, efficacy, and complications of the PASCAL? photocoagulation laser system (OptiMedica, Santa Clara, CA, USA) in patients treated at our institution.Methods: We conducted a retrospective chart review of 19 patients (28 eyes) who underwent laser treatment using the PASCAL? photocoagulation system from November 2006 to November 2007. These 28 eyes were divided into two groups; group 1 eyes underwent macular grid laser and group 2 eyes underwent panretinal photocoagulation. Treatment was performed for macular edema or for iris or retinal neovascularization. Outcomes measured included best-corrected visual acuity (BCVA), efficacy of laser treatment, complications, duration of the procedure, and pain perception, which were noted in the charts for panretinal treatments.Results: Follow-up was 5.9 ± 2.6 months for group 1 and 5.9 ± 4.0 months for group 2. In group 1, 9/28 eyes required a second treatment for remaining edema. BCVA was stable or better in 66% (14/21) and average central foveal thickness on ocular coherence tomography improved in 71% (15/21). Time to completion for a number of laser patterns for grid photocoagulation was felt to be too long for completing the total pattern safely, although we have not noted any related complications. In group 2, the neovascularization regressed at least partially in 3/7 patients. Patient-reported pain perception was 3.6 on a scale of 1 to 10 for group 2. Occasional hemorrhages occurred secondary to irregular laser uptake at different spots in the patterns. We observed no visual outcome consequences because of these hemorrhages during follow-up.Conclusions: Retinal photocoagulation by the PASCAL? laser has comparable efficacy to historical results with conventional retinal photocoagulation in short-term follow-up. PASCAL? photocoagulation can be performed quicker with less discomfort for patients.
机译：目的：分析PASCAL的益处，疗效和并发症？方法：我们对19例（28眼）接受了PASCAL激光治疗的患者进行了回顾性图表回顾，回顾性分析了该机构接受的光凝激光系统（OptiMedica，美国加利福尼亚州圣克拉拉）。光凝系统从2006年11月至2007年11月。将这28只眼睛分为两组;第二组为眼睛。第1组眼睛接受黄斑栅格激光治疗，第2组眼睛接受全视网膜光凝治疗。进行黄斑水肿或虹膜或视网膜新血管形成的治疗。测量的结果包括最佳矫正视力（BCVA），激光治疗的疗效，并发症，手术时间和疼痛感，这些在全视网膜治疗图中均已记录。结果：随访时间为5.9±2.6个月（组）第2组分别为1和5.9±4.0个月。在第1组中，需要对9/28眼进行第二次治疗以治疗剩余水肿。 BCVA稳定或好于66％（14/21），而眼相干断层扫描的平均中央凹厚度则提高了71％（15/21）。尽管我们尚未注意到任何相关的复杂性，但许多栅格图案用于网格光凝的完成时间被认为对于安全地完成整个图案而言太长了。在第2组中，新血管形成在3/7例患者中至少部分消退。患者报告的疼痛感觉在第2组中为1到10，范围为3.6。在模式中的不同位置，由于不规则的激光摄取而导致偶尔的出血。我们没有观察到由于随访过程中的这些出血而导致的视觉结果。结论：PASCAL进行视网膜光凝？在短期随访中，传统的视网膜光凝术具有可比的历史效果。帕斯卡尔？光凝可以更快地进行，对患者的不适感更少。

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