Non-invasive vascular impedance measures demonstrate ocular vasoconstriction during isometric exercise

British Journal of Ophthalmology

Volumn 91, Issue 3, 2007, Pages 385-390

  Morgan, Andrew J ^a   Hosking, Sarah L ^a  

^a ASTON UNIVERSITY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ACCOMMODATION; ADULT; ARTICLE; BLOOD PRESSURE MONITORING; CONTROLLED STUDY; EYE BLOOD FLOW; FEMALE; HUMAN; HUMAN EXPERIMENT; INTRAOCULAR PRESSURE; ISOMETRIC EXERCISE; MALE; NON INVASIVE PROCEDURE; PHYSIOLOGICAL STRESS; PRIORITY JOURNAL; VASOCONSTRICTION; BLOOD FLOW; BLOOD PRESSURE; CAROTID ARTERY; EXERCISE; EYE; HEART RATE; PHYSIOLOGY; PULSATILE FLOW; REPRODUCIBILITY; VASCULAR RESISTANCE; VASCULARIZATION; VISUAL SYSTEM EXAMINATION;

ADULT; BLOOD PRESSURE; CAROTID ARTERIES; DIAGNOSTIC TECHNIQUES, OPHTHALMOLOGICAL; EXERCISE; EYE; FEMALE; HEART RATE; HUMANS; MALE; PULSATILE FLOW; REGIONAL BLOOD FLOW; REPRODUCIBILITY OF RESULTS; VASCULAR RESISTANCE; VASOCONSTRICTION;

EID: 33947575614     PISSN: 00071161     EISSN: None     Source Type: Journal    
DOI: 10.1136/bjo.2006.098574     Document Type: Article

References (61)

1. Arnold AC. Pathogenesis of nonarteritic anterior ischemic optic neuropathy. J Neuroophthalmol 2003;23:157-63.
2. Flammer J, Orgul S, Costa VP, et al. The impact of ocular blood flow in glaucoma. Prog Ret Eye Res 2002;21:359-93.
3. Harris A, Kagemann L, Cioffi GA. Assessment of Human Ocular Hemodynamics. Surv Ophthalmol 1998;42:509-533.
4. Canning CR, Restori M. Doppler ultrasound studies of the ophthalmic artery. Eye 1988;2:92-95.
5. Yannuzzi LA, Ober MD, Slakter JS, et al. Ophthalmic fundus imaging: today and beyond. Am J Ophthalmol 2004;137:511-24.
6. 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;35:4273-4281.
7. Sayegh FN, Weigelin E. Functional ophthalmodynamometry. Comparison between brachial and ophthalmic blood pressure in sitting and supine position. Angiology 1983;34:176-82.
8. Sayegh FN, Weigelin E. Functional ophthalmodynamometry. Comparison between dynamometry findings of healthy subjects in sitting and supine positions. Ophthalmologica 1983;187:196-201.
9. Longo A, Geiser MH, Riva CE. Posture changes and subfoveal choroidal blood flow. Invest Ophthalmol Vis Sci 2004;45:546-51.
10. Robinson F, Riva CE, Grunwald JE, et al. Retinal blood flow autoregulation in response to an acute increase in blood pressure. Invest Ophthalmol Vis Sci 1986;27:722-6.
11. 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;38:1752-1760.
12. Nichols WW, Conti CR, Walker WE, et al. Input Impedance of the Systemic Circulation in Man. Circ Res 1977;40:451-458.
13. Flower RW, Klein GJ. Pulsatile flow in the choroidal circulation: a preliminary investigation. Eye 1990;4:310-318.
14. Sullivan P, Cioffi GA, Wang L, et al. The Influence of Ocular Pulsatility on Scanning Laser Doppler Flowmetry. Am J Ophthalmol 1999;128:81-87.
15. McDonald DA. The relation of pulsatile pressure to flow in arteries. J Physiol 1955;127:533-552.
16. O'Rourke MF, Taylor MG. Vascular impedance of the femoral bed. Circulation Res 1966;18:126-139.
17. Merillon JP, Fonlenier GJ, Lerallut JF. Aortic input impedance in normal man and arterial hypertension: its modification during changes in aortic pressure. Cardiovasc Res 1982;16:646-656.
18. Nichols WW, O'Rourke MF, Avolio AP. Effects of age on ventricular-vascular coupling. Am J Cardiol 1985;55:1179-1184.
19. Silver DM, Farrell RA, Langham ME, et al. Estimation of pulsatile ocular blood flow from intraocular pressure. Acta Ophthalmol Suppl 1989;191:25-29.
20. Langham ME. Manometric, pressure-cup, and tonographic procedures in the evaluation of intraocular dynamics: the rate of recovery of the intraocular pressure in normal and glaucomatous eyes. In: Leydhecker W, eds. Glaucoma, Tutzing symposium, symposium in Tutzing Castle, August 5-10, 1966. Basel: Karger, 1967:126-150.
21. Krakau CE. Calculation of the pulsatile ocular blood flow. Invest Ophthalmol Vis Sci 1992;33:2754-6.
22. Silver DM, Farrell RA. Validity of pulsatile ocular blood flow measurements. Surv Ophthalmol 1994;38:S72-S80.
23. Silver DM, Geyer O. Pressure-volume relation for the living human eye. Curr Eye Res 2000;20:115-120.
24. Bynke HG, Schele B. On the origin of the ocular pressure pulse. Ophthalmologica 1967;153:29-36.
25. Morgan AJ, Hosking SL, Salmon JF. Clinical evaluation of the dynamic observing tonometer. J Glaucoma 2002;11:334-9.
26. Kelly R, Hayward C, Avolio A, et al. Noninvasive determination of age-related changes in the human arterial pulse. Circulation 1989;80:1652-1659.
27. Barna I, Keszei A, Dunai A. Evaluation of Meditech ABPM-04 ambulatory blood pressure measuring device according to the British Hypertension Society protocol. Blood Press Monit 1998;3:363-8.
28. Bland JM, Altman DG. Statistics Notes: Measurement error and correlation coefficients. BMJ 1996;313:41-42.
29. Cooley JS, Tukey JW. An algorithm for the machine calculation of complex Fourier series. Math Comput 1965;19:297-301.
30. Bloch SC. Analysis Toolpak: Fourier Analysis. In: Bloch SC, eds. Excel for Engineers and Scientists. New York: John Wiley & Sons, Inc 2000, 11-1 to 11-24..
31. McVeigh GE. Arterial compliance in hypertension and diabetes mellitus. Am J Nephrol 1996;16:217-22.
32. Mills CJ, Gabe IT, Gault JH, et al. Pressure-flow relationships and vascular impedance in man. Cardiovasc Res 1970;4:405-417.
33. Taylor DE, Tukmachi ES. Contribution of internal and external carotid beds to common carotid artery input impedance in the dog. Q J Exp Physiol 1985;70:177-87.
34. Nichols WW, O'Rourke MF. Vascular impedance. In: Nichols WW, O'Rourke MF, eds. McDonald's Blood Flow in Arteries - Theoretical, experimental and clinical principles. London: Arnold, 1998:243-283.
35. Lee TC, Huang KF, Hsiao ML, et al. Electrical lumped model for arterial vessel beds. Comput Methods Programs Biomed 2004;73:209-19.
36. Levick JR. Coordinated cardiovascular responses. In: Levick JR, eds. An Introduction to Cardiovascular Physiology. Oxford: Butterworth-Heinemann, 1995:276-291.
37. Langham ME, Farrell RA, O'Brien V, et al. Non-invasive measurement of pulsatile blood flow in the human eye. In: Lambrou GN, Greve EL, eds. Ocular Blood Flow in Glaucoma. Amsterdam: Kugler & Ghedini, 1989:93-99.
38. Alm A, Bill A. The oxygen supply to the retina II. Effects of high intraocular pressure and of increased arterial carbon dioxide tension on uveal and retinal blood flow in cats. A study with radioactively labelled microspheres including flow determinations in brain and some other tissues. Acta Physiol Scand 1972;84:306-319.
39. Delaey C, Van de Voorde J. Regulatory mechanisms in the retinal and choroidal circulation. Ophthal Res 2000;32:249-256.
40. Bill A. Some aspects of the ocular circulation. Invest Ophthalmol Vis Sci 1985;26:410-424.
41. Chapleau MW. Arterial baroreflexes. In: Izzo JL, Black HR, eds. Hypertension Primer. Baltimore: Lippincott Williams & Wilkins, 1999:83-86.
42. Grunwald JE, Sinclair SH, Riva CE. Autoregulation of the retinal circulation in response to decrease of intraocular pressure below normal. Invest Ophthalmol Vis Sci 1982;23:124-127.
43. Riva CE, Sinclair SH, Grunwald JE. Autoregulation of retinal circulation in response to decrease of perfusion pressure. Invest Ophthalmol Vis Sci 1981;21:34-8.
44. Michelson G, Groh M, Gründler A. Regulation of ocular blood flow during increases of arterial blood pressure. Br J Ophthalmol 1994;78:461-465.
45. Fuchsjager-Mayrl G, Luksch A, Malec M, et al. Role of endothelin-1 in choroidal blood flow regulation during isometric exercise in healthy humans. Invest Ophthalmol Vis Sci 2003;44:728-733.
46. Kiss B, Dallinger S, Polak K, et al. Ocular hemodynamics during isometric exercise. Microvasc Res 2001;61:1-13.
47. Kiel JW. Autoregulation of Choroidal Blood Flow in the Rabbit. Invest Ophthal Vis Sci 1992;33:2399-2410.
48. Reiner A, Zagvazdin Y, Fitzgerald ME. Choroidal blood flow in pigeons compensates for decreases in arterial blood pressure. Exp Eye Res 2003;76:273-82.
49. Gordon MO, Beiser JA, Brandt JD, et al. The Ocular Hypertension Treatment Study - Baseline factors that predict the onset of primary open-angle glaucoma. Arch Ophthalmol 2002;120:714-720.
50. Bonomi L, Marchini G, Marraffa M, et al. Vascular risk factors for primary open angle glaucoma. Ophthalmology 2000;107:1287-1293.
51. Dielemans I, Vingerling JR, Algra D, et al. Primary open-angle glaucoma, intraocular pressure, and systemic blood pressure in the general elderly population - The Rotterdam Study. Ophthalmology 1995;102:54-60.
52. Tielsch JM, Katz J, Sommer A, et al. Hypertension, perfusion pressure, and primary open-angle glaucoma. Arch Ophthalmol 1995;113:216-221.
53. Kashiwagi K, Hosaka O, Kashiwagi F, et al. Systemic circulatory parameters, comparison between patients with normal tension glaucoma and normal subjects using ambulatory monitoring. Jpn J Ophthalmol 2001;45:388-96.
54. Plange N, Kaup M, Daneljan L, et al. 24-h blood pressure monitoring in normal tension glaucoma: night-time blood pressure variability. J Hum Hypertens 2006;20:137-42.
55. Evans DW, Hosking SL, Embleton SJ, et al. Spectral content of the intraocular pressure pulse wave: glaucoma patients versus normal subjects. Graefe's Arch Clin Exp Ophthalmol 2002;240:475-480.
56. Lam AK, Lam CH, Ng PW, et al. Pulsatile ocular blood flow in patients with asymmetric internal carotid artery stenosis. Clin Exp Optom 2005;88:382-6.
57. Guan K, Hudson C, Wong T, et al. Retinal hemodynamics in early diabetic macular edema. Diabetes 2006;55:813-8.
58. Riva CE, Titze P, Hero M, et al. Choroidal blood flow during isometric exercises. Invest Ophthalmol Vis Sci 1997;38:2338-2343.
59. Kiel JW. The effect of arterial pressure on the ocular pressure-volume relationship in the rabbit. Exp Eye Res 1995;59:267-278.
60. Bayerle-Eder M, Kolodjaschna J, Wolzt M, et al. Effect of a nifedipine induced reduction in blood pressure on the association between ocular pulse amplitude and ocular fundus pulsation amplitude in systemic hypertension. Br J Ophthalmol 2005;89:704-8.
61. Mendivil A, Cuartero V, Mendivil MP. Ocular blood flow velocities in patients with proliferative diabetic retinopathy and healthy volunteers: a prospective study. Br J Ophthalmol 1995;79:413-416.