2000
DOI: 10.1055/s-2000-10354
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Reaktion retinaler Gefäßdurchmesser auf 100 % O2-Atmung - funktionelle Messung mit dem Retinal Vessel Analyzer an 10 Probanden1

Abstract: RVA allows assessment of functional retinal branch vessel reactions. Retinal branch vessels diameters are denominators for capillary perfusion. RVA might be able to demonstrate an individual vessel's regulation potential by purposeful stimulation to constrict and dilate. This property could be helpful in understanding pathophysiologic processes as well as improving diagnosis and therapeutic effects in diseases influencing ocular perfusion such as diabetes, retinal vessel occlusion or even glaucoma. Further eva… Show more

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Cited by 12 publications
(4 citation statements)
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“…Observed amplitudes of the vessel wall excursion are consistent with the values measured by other techniques [15]. Breathing of 100 % oxygen is a known method to provoke constriction of retinal vessels with little impact on systemic parameters [16,17] and we used it to increase the tension in the retinal vessel wall and test whether an RVA-ECG method could detect these changes. It did not, as shown graphically (▶ Fig.…”
Section: Discussionsupporting
confidence: 81%
“…Observed amplitudes of the vessel wall excursion are consistent with the values measured by other techniques [15]. Breathing of 100 % oxygen is a known method to provoke constriction of retinal vessels with little impact on systemic parameters [16,17] and we used it to increase the tension in the retinal vessel wall and test whether an RVA-ECG method could detect these changes. It did not, as shown graphically (▶ Fig.…”
Section: Discussionsupporting
confidence: 81%
“…Dabei können z. B. Antwortreaktionen der Gefäße auf 100 % Sauerstoffatmung [37], auf Rückatmung, auf einfache physische (isometrische) Belastung [38], auf Intraokulardruckerhöhung [39,40] oder auf Flickerlicht [41 -48] aufgrund neurovaskulärer Kopplung in der Retina [49] individuell ermittelt werden. Pathophysiologisch und therapeutisch bedingt unterscheiden sich dabei veränderte Gefäßreaktionen i. d. R. von einem normalen physiologischen retinalen Gefäßverhalten.…”
Section: Dynamische Retinale Gefäßanalyseunclassified
“…Nowadays, Retinal Vessel Analyser (RVA), a newly developed device, has allowed online and continuous, non‐invasive measurements of retinal vessels diameter (Blum et al. 1999; Lanzl et al. 2000; Nagel et al.…”
Section: Introductionmentioning
confidence: 99%