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Renal Impairment of Pure Autonomic Failure

Supine hypertension is difficult to manage in patients with pure autonomic failure (PAF), because treatment can worsen orthostatic hypotension. Supine hypertension in PAF has been associated with left ventricular hypertrophy, but end organ damage in the kidney has not been assessed. We reviewed hemo...

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Bibliographic Details
Published in:Hypertension (Dallas, Tex. 1979) Tex. 1979), 2009-11, Vol.54 (5), p.1057-1061
Main Authors: Garland, Emily M, Gamboa, Alfredo, Okamoto, Luis, Raj, Satish R, Black, Bonnie K, Davis, Thomas L, Biaggioni, Italo, Robertson, David
Format: Article
Language:English
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Summary:Supine hypertension is difficult to manage in patients with pure autonomic failure (PAF), because treatment can worsen orthostatic hypotension. Supine hypertension in PAF has been associated with left ventricular hypertrophy, but end organ damage in the kidney has not been assessed. We reviewed hemodynamic and laboratory data of 64 male patients with PAF who were 69±11 (mean±SD) years old. Systolic blood pressure fell by 67±40 mm Hg within 10 minutes of standing, with an inappropriately low 13±11-bpm increase in heart rate. Plasma norepinephrine levels were below normal (0.62±0.32 nmol/L supine and 1.28±1.25 nmol/L standing). A control data set of 75 men (67±12 years) was obtained from a deidentified version of the Vanderbilt University Medical Center electronic medical chart database. Compared with controls, PAF patients had lower hemoglobin (8.3±0.9 versus 9.3±0.8 mmol/L; P
ISSN:0194-911X
1524-4563
DOI:10.1161/HYPERTENSIONAHA.109.136853