Influence of change in body position on choroidal blood flow in normal subjects

British Journal of Ophthalmology

Volumn 89, Issue 10, 2005, Pages 1302-1305

  Kaeser, P ^a   Orgul S ^a   Zawinka, C ^a   Reinhard, G ^a   Flammer, J ^a  

^a UNIVERSITY EYE CLINIC   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; ARTERIAL PRESSURE; ARTICLE; BODY POSITION; BRACHIAL ARTERY; CALCULATION; CHOROID; CONTROLLED STUDY; EYE BLOOD FLOW; FEMALE; HUMAN; HUMAN EXPERIMENT; INTRAOCULAR PRESSURE; LASER DOPPLER FLOWMETRY; LINEAR REGRESSION ANALYSIS; MALE; NORMAL HUMAN; PRIORITY JOURNAL; RANDOMIZATION; SITTING; SUPINE POSITION; ADOLESCENT; BLOOD FLOW; BLOOD PRESSURE; BODY POSTURE; HEART RATE; METHODOLOGY; PHYSIOLOGY; RETINA FOVEA; VASCULARIZATION;

ADOLESCENT; ADULT; BLOOD PRESSURE; BRACHIAL ARTERY; CHOROID; FEMALE; FOVEA CENTRALIS; HEART RATE; HUMANS; INTRAOCULAR PRESSURE; LASER-DOPPLER FLOWMETRY; MALE; POSTURE; REGIONAL BLOOD FLOW; SUPINE POSITION;

EID: 27744489971     PISSN: 00071161     EISSN: None     Source Type: Journal    
DOI: 10.1136/bjo.2005.067884     Document Type: Article

References (23)

1. Kiel JW, Shepherd AP. Autoregulation of choroidal blood flow in the rabbit. Invest Ophthalmol Vis Sci 1992;33:2399-410.
2. Riva CE, Titze P, Hero M, et al. Effect of acute decreases of perfusion pressure on choroidal blood flow in humans. Invest Ophthalmol Vis Sci 1997;38:1752-60.
3. Hasler PW, Orgul S, Gugleta K, et al. Vascular dysregulation in the choroid of subjects with acral vasospasm. Arch Ophthalmol 2002;120:302-7.
4. Longo A, Geiser MH, Riva CE. Posture changes and subfoveal choroidal blood flow. Invest Ophthalmol Vis Sci 2004;45:546-51.
5. Riva CE, Cranstoun SD, Grunwald JE, et al. Choroidal blood flow in the foveal region of the human ocular fundus. Invest Ophthalmol Vis Sci 1994;35:4273-81.
6. Geiser MH, Diermann U, Riva CE. Compact laser Doppler choroidal flowmeter. J Biomed Opt 1999;4:459-64.
7. Riva CE, Cranstoun SD, Grunwald JE, et al. Choroidal blood flow in the foveal region on the human ocular fundus. Invest Ophthalmol Vis Sci 1994;35:4273-81.
8. Riva CE, Titze P, Hero M, et al. Choroidal blood flow during isometric exercises. Invest Ophthalmol Vis Sci 1997;38:2338-43.
9. Geiser MH, Riva CE, Dorner GT, et al. Response of choroidal blood flow in the foveal region to hyperoxia and hyperoxia-hypercapnia. Curr Eye Res 2000;21:669-76.
10. Kiss B, Dallinger S, Polak K, et al. Ocular hemodynamics during isometric exercise. Microvasc Res 2001;61:1-13.
11. Gherghel D, Orgul S, Dubler B, et al. Is vascular regulation in the central retinal artery altered in persons with vasospasm? Arch Ophthalmol 1999;117:1359-62.
12. Gugleta K, Orgul S, Flammer I, et al. Reliability of confocal choroidal laser Doppler flowmetry. Invest Ophthalmol Vis Sci 2002;43:723-8.
13. Preitner A, Orgul S, Prunte C, et al. Measurement procedures in confocal choroidal laser Doppler flowmetry. Curr Eye Res 2004;28:233-40.
14. Sayegh FN, Weigelin E. Functional ophthalmodynamometry. Comparison between brachial and ophthalmic blood pressure in sitting and supine position. Angiology 1983;34:176-82.
15. Sayegh FN, Weigelin E. Functional ophthalmodynamometry. Comparison between dynamometry findings of healthy subjects in sitting and supine positions. Ophthalmologica 1983;187:196-201.
16. Pocock SJ, Assmann SE, Enos LE, et al. Subgroup analysis, covariate adjustment and baseline comparisons in clinical trial reporting: current practice and problems. Stat Med 2002;21:2917-30.
17. Orgul S, Meyer P, Cioffi GA. Physiology of blood flow regulation and mechanisms involved in optic nerve perfusion. J Glaucoma 1995;4:427-43.
18. Aim A, Bill A. Ocular and optic nerve blood flow at normal and increased intraocular pressure in monkeys (Macaca irus): a study with radioactively labelled microspheres including flow determination in brain and some other tissues. Exp Eye Res 1973;15:15-29.
19. Aim A, Bill A. The oxygen supply to the retina. II: Effects of high intraocular pressure and of increased arterial carbon dioxide on uveal and retinal blood flow in cats, a study with radioactively labelled microspheres, including flow determinations in brain and some other tissue. Acta Physiol Scand 1972;84:306-19.
20. Halpern W, Osol G. Influence of transmural pressure of myogenic responses of isolated cerebral arteries of the rat. Ann Biomed Eng 1985;13:287-93.
21. Rajagopalan S, Dube S, Canty JM. Regulation of coronary diameter by myogenic mechanisms in arterial microvessels greater than 100 microns in diameter. Am J Physiol 1995;268:H788-93.
22. Faraci FM, Heistad DD. Regulation of large cerebral arteries and cerebral microvascular pressure. Circ Res 1990;66:8-17.
23. Florence G, Seylaz J. Rapid autoregulation of cerebral blood flow: a laser-Doppler flowmetry study. J Cereb Blood Flow Metab 1992;12:674-80.