Key result
Patients with essential hypertension had a decreased urinary DA:NE ratio and increased total plasma catecholamines compared to controls, with distinct profiles in borderline versus stable disease.
Why the study?
How does dopamine metabolism and responsiveness differ between patients with borderline versus stable essential hypertension and normotensive controls?
Population
Patients with essential hypertension, including borderline and stable EH subgroups, and control subjects.
Design
Cross-sectional
Authors
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Distinct dopamine profiles in borderline versus stable hypertension may guide subtyping; leaves open causal mechanisms and therapeutic targeting.
Observational
How does dopamine metabolism and responsiveness differ between patients with borderline versus stable essential hypertension and normotensive controls?
Essential hypertension exhibits heterogeneous dopamine involvement, with borderline hypertension characterized by a hyperdopaminergic state and stable hypertension by a hypodopaminergic state.
Otto Kuchel (1989) conducted an observational in Essential hypertension. Essential hypertension vs. Control subjects was evaluated on Urinary DA:NE ratio and plasma catecholamines. Patients with essential hypertension had a decreased urinary DA:NE ratio and increased total plasma catecholamines compared to controls, with distinct profiles in borderline versus stable disease.
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