Browsing by Author "Bonyhay, Istvan"

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Antecedent Hypoglycemia Impairs Autonomic Cardiovascular Function

Adler, Gail Kurr; Bonyhay, Istvan; Failing, Hannah; Waring, Elizabeth; Dotson, Sarah; Freeman, Roy Lester (American Diabetes Association, 2009)

OBJECTIVE—Glycemic control decreases the incidence and progression of diabetic complications but increases the incidence of hypoglycemia. Hypoglycemia can impair hormonal and autonomic responses to subsequent hypoglycemia. ...
High-Pass Filter Characteristics of the Baroreflex – A Comparison of Frequency Domain and Pharmacological Methods

Bonyhay, Istvan; Risk, Marcelo; Freeman, Roy (Public Library of Science, 2013)

Pharmacological methods to assess baroreflex sensitivity evoke supra-physiological blood pressure changes whereas computational methods use spontaneous fluctuations of blood pressure. The relationships among the different ...
Structural and Functional Small Fiber Abnormalities in the Neuropathic Postural Tachycardia Syndrome

Gibbons, Christopher H.; Bonyhay, Istvan; Benson, Adam; Wang, Ningshan; Freeman, Roy (Public Library of Science, 2013)

Objective: To define the neuropathology, clinical phenotype, autonomic physiology and differentiating features in individuals with neuropathic and non-neuropathic postural tachycardia syndrome (POTS). Methods: Twenty-four ...