NL-OMON26189
尚未招募
不适用
Evaluating retinal blood flow autoregulation by means of Optical Coherence Tomography (OCT-A)
概览
- 阶段
- 不适用
- 干预措施
- 未指定
- 疾病 / 适应症
- 未指定
- 发起方
- niversity Medical Center Groningen
- 入组人数
- 125
- 状态
- 尚未招募
- 最后更新
- 2年前
概览
简要总结
暂无简介。
研究者
入排标准
入选标准
- •Any individual between 50 and 65 years old with healthy eyes (only mild refractive abnormalities corrected with glasses are allowed) and good overall health condition, having signed the consent form, and fitting the descriptions:
- •\- Group \#1: Symptomatic low blood pressure individuals
- •Defined as having at least one of: systolic blood pressure below 90 mmHg or diastolic blood pressure below 55 mmHg (without the use of any antihypertensive treatment), and at least one of (Appendix F1c):
- •a) migraine:
- •Migraine is defined as already diagnosed, or a score of 4 or 5 in the corresponding section of the questionnaire, according to the Migraine Screening Questionnaire (Positive Predictive Value: 95%, Negative Predictive Value: 94%).14
- •b) orthostatic hypotension:
- •Orthostatic hypotension is defined as already diagnosed, or a sustained reduction of systolic blood pressure (SBP) of at least 20 mmHg or diastolic blood pressure (DBP) of 10 mmHg within 3 minutes of standing.15
- •c) cold intolerance:
- •Cold intolerance is defined as a score of 30 or more in the corresponding section of the questionnaire.16
- •\- Group \#2: Asymptomatic low blood pressure individuals
排除标准
- •visual acuity less than 0\.8
结局指标
主要结局
未指定
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