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4. Future seeding experiments at SPARC

Author

Poletto, L., Tondello, G., Silvestri, S., Nisoli, M., Sansoni, G., Stagira, S., Musumeci, P., Petrarca, M., Mattioli, M., Labat, M., Tcherbakoff, O., Bougeard, M., Carr, B., Garzella, D., Lambert, G., Merdji, H., Salires, P., Couprie, M. E., Alesini, D., Biagini, M., Boni, R., Michele Castellano, Clozza, A., Drago, A., Ferrario, M., Gallo, A., Ghigo, A., Migliorati, M., Palumbo, L., Sanelli, C., Sgamma, F., Spataro, B., Tommasini, S., Vaccarezza, C., Vicario, C., Fusco, V., Serafini, L., Ambrogio, S., Ciocci, F., Dattoli, G., Doria, A., Gallerano, G. P., Giannessi, L., Giovenale, E., Spassovsky, I., Quattromini, M., Renieri, A., Ronsivalle, C., Dipace, A., and Sabia, E.

6. Relationship between media-to-lumen ratio of subcutaneous small arteries and wall-to-lumen ratio of retinal arterioles evaluated noninvasively by scanning laser Doppler flowmetry

Author

Enrico Agabiti Rosei, Elisa La Boria, Ciro Costagliola, Francesco Semeraro, P. Danzi, Stefano Maria Giulini, Enzo Porteri, Damiano Rizzoni, Adolfo Sebastiani, Annamaria Sarkar, Carolina De Ciuceis, Sarah Duse, Guido A. M. Tiberio, Giovanna Sansoni, Claudia Agabiti Rosei, Franco Docchio, Rizzoni, D, Porteri, E, Duse, S, De Ciuceis, C, Rosei, Ca, La Boria, E, Semeraro, F, Costagliola, Ciro, Sebastiani, A, Danzi, P, Tiberio, Ga, Giulini, Sm, Docchio, F, Sansoni, G, Sarkar, A, and Rosei, E. A.

Subjects
Adult, Male, Scanning Laser Doppler, retina, Physiology, microcirculation, retinal arterioles, scanning laser Doppler flowmetry, chemistry.chemical_compound, Laser-Doppler Flowmetry, Internal Medicine, Humans, Medicine, Aged, Arteries, Arterioles, Female, Middle Aged, Retinal Vessels, Ultrasonography, remodeling, business.industry, Retinal, Anatomy, small resistance arteries, chemistry, Cardiology and Cardiovascular Medicine, business, Nuclear medicine, Lumen (unit)
Abstract

BACKGROUND:: Structural alterations of subcutaneous small resistance arteries, as indicated by an increased media-to-lumen ratio, are frequently present in hypertensive and/or diabetic patients, and may represent the earliest alteration observed. Furthermore, media-to-lumen ratio of small arteries evaluated by micromyography has a strong prognostic significance; however, its extensive evaluation is limited by the invasivity of the assessment, since a biopsy of subcutaneous fat is needed. Noninvasive measurement of wall-to-lumen of retinal arterioles using scanning laser Doppler flowmetry (SLDF) has recently been introduced. However, this new technique has not yet been compared to micromyographic measurement, generally considered the gold standard approach. METHODS AND RESULTS:: We investigated 40 individuals and patients, 24 of them were hypertensive patients and 16 normotensive individuals. All patients underwent a biopsy of subcutaneous fat during an elective surgical intervention. Subcutaneous small resistance arteries were dissected and mounted on a wire myograph, and media-to-lumen ratio was measured. In addition, an evaluation of wall-to-lumen ratio of retinal arterioles by SLDF was performed (Heidelberg Retina Flowmeter, Heidelberg Engineering). A close correlation was observed between media-to-lumen ratio of subcutaneous small arteries and wall-to-lumen ratio of retinal arterioles (r = 0.76, P

Published
2012
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