Cohort study2016

Measurement of Choroidal Thickness Following Caffeine Intake in Healthy Subjects

Altinkaynak H, Ceylan E, Kartal B, Keleş S, Ekinci M, Olcaysu OO

Current eye research · 47 citations

Review labels

Funding not disclosed

Neutral facts our review recorded about how this study was done. They describe method, never whether we like the result.

How it was studied

Design
Cohort study (indexed by PubMed)
Studied in
People
Main outcome
Health markers and function

Who paid for it

Funding
Funding not disclosed

Publication

Published
2015-04-10 · Curr Eye Res · vol. 41 · issue 5 · pp. 1–8
Publisher
Taylor & Francis
Cited
49 citations · more than 87% of similar papers · 2.2× the field average
References
55 works
Access
Paywalled
Research areas
Coffee research and impacts · Drug-Induced Ocular Toxicity · Retinal Diseases and Treatments
Keywords
Caffeine, Medicine, Capsule, Ophthalmology, Anesthesia, Nuclear medicine, Internal medicine
MeSH
choroid, humans, caffeine, central nervous system stimulants, tomography, optical coherence, administration, oral, follow-up studies, prospective studies, dose-response relationship, drug, adult, middle aged, female, male, young adult, healthy volunteers

6 authors

From TR

  • Hasan Altınkaynak · correspondingAnkara Atatürk Eğitim ve Araştırma Hastanesi
  • Erdinç CeylanErzurum Regional Training and Research Hospital
  • Baki KartalErzurum Regional Training and Research Hospital
  • Sadullah KeleşAtatürk University
  • Metin EkinciKafkas University
  • Osman Okan OlcaysüErzurum Regional Training and Research Hospital

Abstract

Purpose

The aim of this study is to investigate the effect of 200 mg caffeine on subfoveal choroidal thickness (CT) in the macular area as measured by enhanced depth imaging optical coherence tomography (EDI-OCT) in healthy subjects.

Materials and methods

Fifty healthy individuals (study group) and 50 healthy individuals (control group) were enrolled in study. In the study group, participants received a 200 mg caffeine capsule and the control group consisted of subjects who received plasebo capsule. The subfoveal CT was measured by EDI-OCT before the caffeine intake and at 30 min, 1 h, 2 h, 3 h, 4 h and 6 h following caffeine intake.

Results

SFCT after caffeine intake was significantly decreased at 30 min, 1 h, 2 h, 3 h and 4 h compared to the baseline measurement, while the difference between baseline and 6 h was not statistically significant in the study group. There were no significant differences between the baseline and the other measurement times in the control group (p > 0.05).

Conclusion

The thinning of CT begins about 30 min after the oral ingestion of 200 mg of caffeine and lasts for about four hours.

Abstract via Europe PMC. Copyright remains with the authors or publisher.

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