Abstract Two methods of wave form analysis were studied to compare their sensitivity and specificity in detecting the effect of unilateral common carotid artery stenosis on the ipsilateral ocular pulse in the rabbit. The first method, using standard graphic analytical techniques to detect alterations in pulse amplitude and area, was capable of detecting lesions that produced 50% or more stenosis of the carotid artery. In the second method, the ocular pulse was subjected to Fourier analysis which determined the first three harmonics. This method of analysis was capable of detecting as little as 20% stenosis of the carotid artery and was therefore the more sensitive of the two techniques of wave form analysis. References 1. Galin MA, Best M, Plechaty G, et al: The ocular pulse , abstracted. Trans Am Acad Ophthalmol Otolaryngol 75:1384, 1971. 2. Bynke HG, Krakau CET: A handy instrument for oculosphygmography with some clinical results . Ophthalmologica 148:367-373, 1964.Crossref 3. Bynke HG: Further studies on the ocular pulse in rabbits at experimental carotid occlusion and loading of the bulb . Acta Ophthalmol 47:514-522, 1969.Crossref 4. Hager H: Differential diagnosis of apoplexy by ophthalmodynamography . Triangle 6:259-267, 1963. 5. Patterson RH: Oculosphygmography in acute and chronic carotid insufficiency . Arch Neurol 22:20-26, 1970.Crossref 6. Best M, Pola R, Plechaty G, et al: Ocular pulse studies in carotid stenosis: Relationship to carotid hemodynamics . Arch Ophthalmol 85:730-737, 1971.Crossref 7. Best M: Carotid hemodynamics and the ocular pulse in carotid stenosis . Neurology 21:982-990, 1971.Crossref 8. Best M, Keyes M, Plechaty G, et al: Graphic analysis of the ocular pulse in carotid occlusion . Arch Ophthalmol 85:315-319, 1971.Crossref 9. Milnor WR: Principles of hemodynamics , in Mountcastle VB (ed): Medical Physiology , ed 12. St. Louis, CV Mosby Co, 1968, vol 1, p 114. 10. Best M, Kelly TA, Galin MA: The ocular pulse: Technical features . Acta Ophthalmol 48:357-368, 1970.Crossref 11. Dow P, Hamilton WF: An experimental study of the velocity of the pulse wave propagated through the aorta . Am J Physiol 125:60-65, 1939. 12. Harding V: Propagation of pulse waves in viscoelastic tubings , in Handbook of Physiology (Section 2:Circulation). Washington, DC, American Physiologic Society, 1962, vol 1, pp 120-122. 13. Best M, Plechaty G, Harris L, et al: Ophthalmodynamometry and ocular pulse studies in carotid occlusion . Arch Ophthalmol 85:334-338, 1971.Crossref
Archives of Ophthalmology – American Medical Association
Published: Jul 1, 1974
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