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Evaluation of treatment response and symptom progression in 400 patients with visual snow syndrome
British Journal of Ophthalmology ( IF 3.7 ) Pub Date : 2022-09-01 , DOI: 10.1136/bjophthalmol-2020-318653
Francesca Puledda 1, 2 , Nicolas Vandenbussche 3 , David Moreno-Ajona 2, 4 , Ozan Eren 5 , Christoph Schankin 6 , Peter J Goadsby 2, 4, 7
Affiliation  

Aims To gather information on useful medications to treat visual snow syndrome (VSS) as well as to validate an instrument to assess its clinical severity and the course of the disorder over time. Methods Four hundred patients with VSS were included in this web-based prospective questionnaire study. All subjects completed a treatment questionnaire and a clinical diary. The first allowed evaluation of the effects of previous medications on visual snow, while the second measured VSS symptoms daily over the course of 30 days. Results Patients commonly reported previous use of medications such as antidepressants, antiepileptics, antibiotics and benzodiazepines. However, none of these drug classes was beneficial for the majority of patients. Recreational drugs and alcohol worsened visual snow symptoms in several reports. Vitamins and benzodiazepines had high therapeutic ratios, although in most cases they did not change the course of VSS. The monthly diary confirmed that the static in VSS is a consistent symptom over time. It also showed that indoor and fluorescent lights have a worse effect on symptoms when compared with natural outdoor lighting. Conclusions The study confirms clinical experience that medications are generally ineffective in VSS, with the exception of vitamins and perhaps benzodiazepines, which could be beneficial in some patients. The 30-day diary represents a useful tool to measure symptom progression over time, which could be used in future trials on VSS. Data are available upon reasonable request.

中文翻译:

400例视雪综合征患者治疗反应及症状进展评价

目的 收集有关治疗视觉雪综合征 (VSS) 的有用药物的信息,并验证一种评估其临床严重程度和疾病随时间推移的病程的仪器。方法 400 名 VSS 患者被纳入这项基于网络的前瞻性问卷研究。所有受试者都完成了治疗问卷和临床日记。第一个允许评估先前药物对视觉雪的影响,而第二个在 30 天内每天测量 VSS 症状。结果 患者通常报告之前使用过抗抑郁药、抗癫痫药、抗生素和苯二氮卓类药物等药物。然而,这些药物类别中没有一种对大多数患者有益。在几份报告中,娱乐性药物和酒精使视觉雪症状恶化。维生素和苯二氮卓类药物的治疗率很高,尽管在大多数情况下它们并没有改变 VSS 的病程。月度日记证实,VSS 中的静态是随时间推移的一致症状。它还表明,与室外自然光相比,室内和荧光灯对症状的影响更差。结论 该研究证实了临床经验,即药物通常对 VSS 无效,但维生素和苯二氮卓类药物除外,这可能对某些患者有益。30 天日记是衡量症状随时间进展的有用工具,可用于未来的 VSS 试验。可根据合理要求提供数据。月度日记证实,VSS 中的静态是随时间推移的一致症状。它还表明,与室外自然光相比,室内和荧光灯对症状的影响更差。结论 该研究证实了临床经验,即药物通常对 VSS 无效,但维生素和苯二氮卓类药物除外,这可能对某些患者有益。30 天日记是衡量症状随时间进展的有用工具,可用于未来的 VSS 试验。可根据合理要求提供数据。月度日记证实,VSS 中的静态是随时间推移的一致症状。它还表明,与室外自然光相比,室内和荧光灯对症状的影响更差。结论 该研究证实了临床经验,即药物通常对 VSS 无效,但维生素和苯二氮卓类药物除外,这可能对某些患者有益。30 天日记是衡量症状随时间进展的有用工具,可用于未来的 VSS 试验。可根据合理要求提供数据。维生素和苯二氮卓类药物除外,这可能对某些患者有益。30 天日记是衡量症状随时间进展的有用工具,可用于未来的 VSS 试验。可根据合理要求提供数据。维生素和苯二氮卓类药物除外,这可能对某些患者有益。30 天日记是衡量症状随时间进展的有用工具,可用于未来的 VSS 试验。可根据合理要求提供数据。
更新日期:2022-08-19
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