A new method for assessing arteriolar diameter and hemodynamic resistance using image analysis of vessel lumen

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 284, Issue 5 53-5, 2003, Pages

  Tyml, Karel ^a   Anderson, Donald ^a   Lidington, Darcy ^a   Ladak, Hanif M ^a,b  

^a UNIVERSITY OF WESTERN ONTARIO   (Canada)

^b ROBARTS RESEARCH INSTITUTE   (Canada)

Author keywords

Conducted response; Resistance to blood flow; Semiautomatic analysis

Indexed keywords

POTASSIUM CHLORIDE;

ALGORITHM; ANIMAL TISSUE; ARTERIOLE; ARTERY CONSTRICTION; ARTICLE; BLOOD VESSEL DIAMETER; BLOOD VESSEL REACTIVITY; COMPUTER GRAPHICS; CONTROLLED STUDY; DIGITAL COMPUTER; HEMODYNAMICS; IMAGE ANALYSIS; MATHEMATICAL MODEL; MEASUREMENT; MECHANICAL STIMULATION; MICROSCOPY; MOUSE; NONHUMAN; OPERATOR; PRIORITY JOURNAL; TECHNIQUE; VASCULAR RESISTANCE;

EID: 0344837726     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.00741.2002     Document Type: Article

References (16)

1. Chapman N, Witt N, Gao X, Bharath AA, Stanton AV, Thom SA, and Hughes AD. Computer algorithms for the automated measurement of retinal arteriolar diameters. Br J Ophthalmol 85: 74-79, 2001.
2. Delashaw JB and Duling BR. Heterogeneity in conducted arteriolar vasomotor response is agonist dependent. Am J Physiol Heart Circ Physiol 260: H1276-H1282, 1991.
3. De Wit C, Roos F, Bolz SS, Kirchhoff S, Kruger O, Willecke K, and Pohl U. Impaired conduction of vasodilation along arterioles in connexin40-deficient mice. Circ Res 86: 649-655, 2000.
4. Emerson GG, Neild TO, and Segal SS. Conduction of hyperpolarization along hamster feed arteries: augmentation by acetylcholine. Am J Physiol Heart Circ Physiol 283: H102-H109, 2002.
5. Gustafsson F and Holstein-Rathlou NH. Angiotensin II modulates conducted vasoconstriction to norepinephrine and local electrical stimulation in rat mesenteric arterioles. Cardiovasc Res 44: 176-184, 1999.
6. Hungerford JE, Sessa WC, and Segal SS. Vasomotor control in arterioles of the mouse cremaster muscle. FASEB J 14: 197-207, 2000.
7. Ladak HM, Thomas JB, Mitchell JR, Rutt BK, and Steinman DA. A semi-automatic technique for measurement of arterial wall from black blood MRI. Med Phys 28: 1098-1107, 2001.
8. Lobregt S and Viergever MA. A discrete dynamic contour model. IEEE Trans Med Imaging 14: 12-24, 1995.
9. Magers S and Faber JE. Real-time measurement of microvascular dimensions using digital cross-correlation image processing. J Vasc Res 29: 241-247, 1992.
10. Meng W, Ma J, Ayata C, Hara H, Huang PL, Fishman MC, and Moskowitz MA. ACh dilates pial arterioles in endothelial and neuronal NOS knockout mice by NO-dependent mechanisms. Am J Physiol Heart Circ Physiol 271: H1145-H1150, 1996.
11. Meyer JU and Intaglietta M. Measurement of the dynamics of arteriolar diameter. Ann Biomed Eng 14: 109-117, 1986.
12. Neild TO. Measurement of arteriole diameter changes by analysis of television images. Blood Vessels 26: 48-52, 1989.
13. Nishigaki K, Faber JE, and Ohyanagi M. Interactions between α-adrenoceptors and adenosine receptors on microvascular smooth muscle. Am J Physiol Heart Circ Physiol 260: H1655-H1666, 1991.
14. Safranyos RG, Ellis CG, Tyml K, and Groom AC. Heterogeneity of capillary diameters in skeletal muscle of the frog. Microvasc Res 26: 151-156, 1983.
15. Segal SS and Duling BR. Conduction of vasomotor responses in arterioles: a role for cell-to-cell coupling? Am J Physiol Heart Circ Physiol 256: H838-H845, 1989.
16. Tyml K, Wang X, Lidington D, and Ouellette Y. Lipopolysaccharide reduces intercellular coupling in vitro and arteriolar conducted response in vivo. Am J Physiol Heart Circ Physiol 281: H1397-H1406, 2001.