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(Circulation. 1998;97:1695-1701.)
© 1998 American Heart Association, Inc.


Clinical Investigation and Reports

Acute Hyperglycemia Attenuates Endothelium-Dependent Vasodilation in Humans In Vivo

Stephen B. Williams, MD, MPH; Allison B. Goldfine, MD; Farris K. Timimi, MD; Henry H. Ting, MD; Mary-Anne Roddy, BSN; Donald C. Simonson, MD; ; Mark A. Creager, MD

From the Vascular Medicine and Atherosclerosis Unit of the Cardiovascular Division, Brigham and Women's Hospital (S.B.W., F.K.T., H.H.T., M.-A. R., M.A.C.) and the Endocrine Division of the Brigham and Women's Hospital and the Joslin Diabetes Center (A.B.G., D.C.S.), Harvard Medical School, Boston, Mass.

Correspondence to Mark A. Creager, MD, Cardiovascular Division, Brigham and Women's Hospital, 75 Francis St, Boston, MA 02115. E-mail macreager{at}bics.bwh.harvard.edu

Background—Endothelial function is impaired in patients with diabetes mellitus. However, the factors contributing to this defect are currently unknown. Hyperglycemia attenuates endothelium-dependent relaxation in normal rabbit arteries in vitro and rat arterioles in vivo. Accordingly, this study examined the effect of acute hyperglycemia on endothelium-dependent vasodilation in nondiabetic humans in vivo.

Methods and Results—Endothelium-dependent vasodilation was assessed through brachial artery infusion of methacholine chloride both before and during 6 hours of local hyperglycemia (300 mg/dL) achieved by intra-arterial infusion of 50% dextrose. Forearm blood flow was determined by plethysmography. In a group of 10 subjects, there was a trend toward attenuated methacholine-mediated vasodilation during hyperglycemia compared with euglycemia (P=.07 by ANOVA; maximal response, 13.3±2.8 versus 14.7±1.5 mL · min-1 · 100 mL-1, respectively). In these subjects, the systemic serum insulin levels increased significantly during the dextrose infusion (P<.001). To eliminate the confounding vasoactive effects of insulin, the protocol was repeated during systemic infusion of octreotide (30 ng · kg-1 · min-1) to inhibit pancreatic secretion of insulin. In these subjects (n=10), hyperglycemia significantly attenuated the forearm blood flow response to methacholine (P<.01 by ANOVA; maximal response, 16.9±2.5 before versus 12.7±1.8 mL · min-1 · 100 mL-1 during hyperglycemia). Methacholine-mediated vasodilation was not attenuated by an equimolar infusion of mannitol (P>.40), nor did hyperglycemia reduce endothelium-independent vasodilation to verapamil (P>.50).

Conclusions—Acute hyperglycemia impairs endothelium-dependent vasodilation in healthy humans in vivo. This finding suggests that elevated glucose may contribute to the endothelial dysfunction observed in patients with diabetes mellitus.


Key Words: diabetes mellitus • endothelium-derived factors • vasodilation • glucose • nitric oxide




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Increased Incidence of Coronary Atherosclerosis in Type 2 Diabetes Mellitus: Mechanisms and Management
Ann Intern Med, November 18, 2003; 139(10): 824 - 834.
[Abstract] [Full Text] [PDF]


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CirculationHome page
P. Ganz and J. A. Vita
Testing Endothelial Vasomotor Function: Nitric Oxide, a Multipotent Molecule
Circulation, October 28, 2003; 108(17): 2049 - 2053.
[Full Text] [PDF]


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CirculationHome page
M. A. Creager, T. F. Luscher, F. Cosentino, and J. A. Beckman
Diabetes and Vascular Disease: Pathophysiology, Clinical Consequences, and Medical Therapy: Part I
Circulation, September 23, 2003; 108(12): 1527 - 1532.
[Full Text] [PDF]


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Am. J. Physiol. Heart Circ. Physiol.Home page
N. Ihlemann, C. Rask-Madsen, A. Perner, H. Dominguez, T. Hermann, L. Kober, and C. Torp-Pedersen
Tetrahydrobiopterin restores endothelial dysfunction induced by an oral glucose challenge in healthy subjects
Am J Physiol Heart Circ Physiol, July 11, 2003; 285(2): H875 - H882.
[Abstract] [Full Text] [PDF]


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Arch Intern MedHome page
J. E. Gerich
Clinical Significance, Pathogenesis, and Management of Postprandial Hyperglycemia
Arch Intern Med, June 9, 2003; 163(11): 1306 - 1316.
[Abstract] [Full Text] [PDF]


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Eur Heart JHome page
K.-H. Mak and D. P. Faxon
Clinical studies on coronary revascularization in patients with type 2 diabetes
Eur. Heart J., June 2, 2003; 24(12): 1087 - 1103.
[Abstract] [Full Text] [PDF]


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Diabetes CareHome page
F. A. McAlister, J. Man, L. Bistritz, H. Amad, and P. Tandon
Diabetes and Coronary Artery Bypass Surgery: An examination of perioperative glycemic control and outcomes
Diabetes Care, May 1, 2003; 26(5): 1518 - 1524.
[Abstract] [Full Text] [PDF]


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J Am Coll CardiolHome page
M. F. Di Carli, J. Janisse, G. Grunberger, and J. Ager
Role of chronic hyperglycemia in the pathogenesis of coronary microvascular dysfunction in diabetes
J. Am. Coll. Cardiol., April 16, 2003; 41(8): 1387 - 1393.
[Abstract] [Full Text] [PDF]


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BMJHome page
K. Dunder, L. Lind, B. Zethelius, L. Berglund, and H. Lithell
Increase in blood glucose concentration during antihypertensive treatment as a predictor of myocardial infarction: population based cohort study
BMJ, March 29, 2003; 326(7391): 681 - 681.
[Abstract] [Full Text] [PDF]


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Diabetes CareHome page
B. A. Kingwell, M. Formosa, M. Muhlmann, S. J. Bradley, and G. K. McConell
Type 2 Diabetic Individuals Have Impaired Leg Blood Flow Responses to Exercise: Role of endothelium-dependent vasodilation
Diabetes Care, March 1, 2003; 26(3): 899 - 904.
[Abstract] [Full Text] [PDF]


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J Am Coll CardiolHome page
T. P. Singh, H. Groehn, and A. Kazmers
Vascular function and carotid intimal-medial thickness in children with insulin-dependent diabetes mellitus
J. Am. Coll. Cardiol., February 19, 2003; 41(4): 661 - 665.
[Abstract] [Full Text] [PDF]


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Arterioscler. Thromb. Vasc. Bio.Home page
W. H. Capell, C. A. DeSouza, P. Poirier, M. L. Bell, B. L. Stauffer, K. M. Weil, T. L. Hernandez, and R. H. Eckel
Short-Term Triglyceride Lowering With Fenofibrate Improves Vasodilator Function in Subjects With Hypertriglyceridemia
Arterioscler Thromb Vasc Biol, February 1, 2003; 23(2): 307 - 313.
[Abstract] [Full Text] [PDF]


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British Journal of Diabetes & Vascular DiseaseHome page
D. Browne, D. Meeking, K. Shaw, and M. Cummings
Review: Endothelial dysfunction and pre-symptomatic atherosclerosis in type 1 diabetes -- pathogenesis and identification
The British Journal of Diabetes & Vascular Disease, January 1, 2003; 3(1): 27 - 34.
[Abstract] [PDF]


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JNMHome page
A. Kjaer, C. Meyer, F. S. Nielsen, H.-H. Parving, and B. Hesse
Dipyridamole, Cold Pressor Test, and Demonstration of Endothelial Dysfunction: A PET Study of Myocardial Perfusion in Diabetes
J. Nucl. Med., January 1, 2003; 44(1): 19 - 23.
[Abstract] [Full Text] [PDF]


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Eur Heart J SupplHome page
R. Ferrara, G. Guardigli, and R. Ferrari
Myocardial metabolism: the diabetic heart
Eur. Heart J. Suppl., January 1, 2003; 5(suppl_B): B15 - B18.
[Abstract] [PDF]


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J Am Coll CardiolHome page
N. N. Wahab, E. A. Cowden, N. J. Pearce, M. J. Gardner, H. Merry, J. L. Cox, and ICONS Investigators
Is blood glucose an independent predictor of mortality in acute myocardial infarction in the thrombolytic era?
J. Am. Coll. Cardiol., November 20, 2002; 40(10): 1748 - 1754.
[Abstract] [Full Text] [PDF]


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J. Appl. Physiol.Home page
N. Charkoudian, A. Vella, A. S. Reed, C. T. Minson, P. Shah, R. A. Rizza, and M. J. Joyner
Cutaneous vascular function during acute hyperglycemia in healthy young adults
J Appl Physiol, October 1, 2002; 93(4): 1243 - 1250.
[Abstract] [Full Text] [PDF]


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J. Nutr.Home page
S. Dickinson, S. Colagiuri, E. Faramus, P. Petocz, and J. C. Brand-Miller
Postprandial Hyperglycemia and Insulin Sensitivity Differ among Lean Young Adults of Different Ethnicities
J. Nutr., September 1, 2002; 132(9): 2574 - 2579.
[Abstract] [Full Text] [PDF]


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J Am Coll CardiolHome page
S. P. Marso
Optimizing the diabetic formulary: beyond aspirin and insulin
J. Am. Coll. Cardiol., August 21, 2002; 40(4): 652 - 661.
[Abstract] [Full Text] [PDF]


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J Am Coll CardiolHome page
J. L. Carson, P. M. Scholz, A. Y. Chen, E. D. Peterson, J. Gold, and S. H. Schneider
Diabetes mellitus increases short-term mortality and morbidity in patients undergoing coronary artery bypass graft surgery
J. Am. Coll. Cardiol., August 7, 2002; 40(3): 418 - 423.
[Abstract] [Full Text] [PDF]


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J Am Coll CardiolHome page
M. G. Modena, L. Bonetti, F. Coppi, F. Bursi, and R. Rossi
Prognostic role of reversible endothelial dysfunction in hypertensive postmenopausal women
J. Am. Coll. Cardiol., August 7, 2002; 40(3): 505 - 510.
[Abstract] [Full Text] [PDF]


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Diabetes CareHome page
C. Desouza, A. Parulkar, D. Lumpkin, D. Akers, and V. A. Fonseca
Acute and Prolonged Effects of Sildenafil on Brachial Artery Flow-Mediated Dilatation in Type 2 Diabetes
Diabetes Care, August 1, 2002; 25(8): 1336 - 1339.
[Abstract] [Full Text] [PDF]


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British Journal of Diabetes & Vascular DiseaseHome page
L. S. Hermann and N. Wiernsperger
Impaired glucose tolerance and metformin: clinical and mechanistic aspects
The British Journal of Diabetes & Vascular Disease, May 1, 2002; 2(3): 177 - 183.
[Abstract] [PDF]


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Arterioscler. Thromb. Vasc. Bio.Home page
R. W. van Etten, E. J.P. de Koning, M. L. Honing, E. S. Stroes, C. A. Gaillard, and T. J. Rabelink
Intensive Lipid Lowering by Statin Therapy Does Not Improve Vasoreactivity in Patients With Type 2 Diabetes
Arterioscler Thromb Vasc Biol, May 1, 2002; 22(5): 799 - 804.
[Abstract] [Full Text] [PDF]


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Diabetes CareHome page
G. Paradisi, A. Biaggi, S. Ferrazzani, S. De Carolis, and A. Caruso
Abnormal Carbohydrate Metabolism During Pregnancy : Association with endothelial dysfunction
Diabetes Care, March 1, 2002; 25(3): 560 - 564.
[Abstract] [Full Text] [PDF]


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Arterioscler. Thromb. Vasc. Bio.Home page
I. B. Wilkinson, I. R. Hall, H. MacCallum, I. S. Mackenzie, C. M. McEniery, B. J. van der Arend, Y.-E. Shu, L. S. MacKay, D. J. Webb, and J. R. Cockcroft
Pulse-Wave Analysis: Clinical Evaluation of a Noninvasive, Widely Applicable Method for Assessing Endothelial Function
Arterioscler Thromb Vasc Biol, January 1, 2002; 22(1): 147 - 152.
[Abstract] [Full Text] [PDF]


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Am. J. Physiol. Heart Circ. Physiol.Home page
M. Kelm
Flow-mediated dilatation in human circulation: diagnostic and therapeutic aspects
Am J Physiol Heart Circ Physiol, January 1, 2002; 282(1): H1 - H5.
[Full Text] [PDF]


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Diabetes CareHome page
E. Bonora, F. Calcaterra, S. Lombardi, N. Bonfante, G. Formentini, R. C. Bonadonna, and M. Muggeo
Plasma Glucose Levels Throughout the Day and HbA1c Interrelationships in Type 2 Diabetes: Implications for treatment and monitoring of metabolic control
Diabetes Care, December 1, 2001; 24(12): 2023 - 2029.
[Abstract] [Full Text] [PDF]


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J Am Coll CardiolHome page
K. K. Koh, M. H. Kang, D. K. Jin, S.-K. Lee, J. Y. Ahn, H. Y. Hwang, S. H. Yang, D. S. Kim, T. H. Ahn, and E. K. Shin
Vascular effects of estrogen in type II diabetic postmenopausal women
J. Am. Coll. Cardiol., November 1, 2001; 38(5): 1409 - 1415.
[Abstract] [Full Text] [PDF]


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DiabetesHome page
C. Rask-Madsen, N. Ihlemann, T. Krarup, E. Christiansen, L. Kober, C. Nervil Kistorp, and C. Torp-Pedersen
Insulin Therapy Improves Insulin-Stimulated Endothelial Function in Patients With Type 2 Diabetes and Ischemic Heart Disease
Diabetes, November 1, 2001; 50(11): 2611 - 2618.
[Abstract] [Full Text] [PDF]


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Am. J. Physiol. Heart Circ. Physiol.Home page
J. R. Kersten, W. G. Toller, J. P. Tessmer, P. S. Pagel, and D. C. Warltier
Hyperglycemia reduces coronary collateral blood flow through a nitric oxide-mediated mechanism
Am J Physiol Heart Circ Physiol, November 1, 2001; 281(5): H2097 - H2104.
[Abstract] [Full Text] [PDF]


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Diabetes CareHome page
R. Marfella, F. Nappo, M. A. Marfella, and D. Giugliano
Acute Hyperglycemia and Autonomic Function
Diabetes Care, November 1, 2001; 24(11): 2016 - 2017.
[Full Text] [PDF]


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Cardiovasc ResHome page
M. A van de Ree, M. V Huisman, F. H de Man, J. C van der Vijver, A.E. Meinders, and G. J Blauw
Impaired endothelium-dependent vasodilation in type 2 diabetes mellitus and the lack of effect of simvastatin
Cardiovasc Res, November 1, 2001; 52(2): 299 - 305.
[Abstract] [Full Text] [PDF]


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CirculationHome page
S. J. Duffy, E. S. Biegelsen, M. Holbrook, J. D. Russell, N. Gokce, J. F. Keaney Jr, and J. A. Vita
Iron Chelation Improves Endothelial Function in Patients With Coronary Artery Disease
Circulation, June 12, 2001; 103(23): 2799 - 2804.
[Abstract] [Full Text] [PDF]


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Diabetes CareHome page
K. L. Goh, A. C. Shore, M. Quinn, and J. E. Tooke
Impaired Microvascular Vasodilatory Function in 3-Month-Old Infants of Low Birth Weight
Diabetes Care, June 1, 2001; 24(6): 1102 - 1107.
[Abstract] [Full Text]