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Effect of Mental Stress on Plasma Homovanillic Acid in Healthy Human Subjects

Plasma levels of homovanillic acid (pHVA) have been suggested to provide a measure ... in pHVA levels by mental stress in normal subjects may reflect some aspects of a dopamine-dependent restitutive ... read more

Chapter XV.5. Adrenal disorders

A spot urine ... of the hypertension. Neuroblastomas, ganglioneuromas, and ganglioneuroblastomas are additional tumors of the adrenal medulla. Although these tumors may excrete catecholamines, ... read more

Mercury Intoxication and Arterial Hypertension: Report of Two Patients and Review of the Literature

Two children in the same household with symptomatic arterial hypertension ... essential in the conversion of norepinephrine to epinephrine. Mercury inactivates SAM; as a consequence, norepinephrine, ... read more

Plasma Normetanephrine and Metanephrine for Detecting Pheochromocytoma in von Hippel–Lindau Disease and Multiple Endocrine Neoplasia Type 2

Four patients had metastases. Nine patients presented with sustained hypertension ... excretion of both norepinephrine and epinephrine. Urinary excretion of metanephrines was normal in 13 of 37 tests ... read more

Effect of Saline Load and Metoclopramide on the Renal Dopaminergic System in Patients with Heart Failure and Healthy Controls

There is an increasing body of evidence suggesting that the renal dopamine-synthesizing efficacy is well preserved and even increased in patients ... their metabolites in urine (L-DOPA, dopamine, ... read more

Quick Summary of How and Why Three Key Drugs Work

In fact, rational drug use should now minimally be considered part of basic humane treatment of our patients ... serotonin, norepinephrine (noradrenaline), dopamine, gamma amino butyric acid (GABA), ... read more

Renal Tubular Dysfunction in Chronic Alcohol Abuse -- Effects of Abstinence

39 ±9 mmol per 24 hours; P<0.001), and net acid excretion (42 ±17 vs. 74 ±13 mmol per 24 hours; P<0.001). Seventeen of the 61 patients (28 percent) did not have normal urinary acidification ... of ... read more

Health Benefits of Collard Greens

However, patients taking blood-thinning medication ... enhances calcium absorption and reduces urinary excretion of calcium. Collard greens are rich in phytonutrients like caffeic acid, ferulic acid, ... read more

Association between urinary sodium excretion and uric acid, and its interaction on the risk of prehypertension among Chinese young adults

High uric acid (UA) level and high ... investigated the association between UA and urinary sodium excretion, as well as its interaction on the risk of prehypertension. A total of 1869 participants ... read more

Anesthetic Management of Patients With Inborn Errors of Metabolism

Aromatic L-amino acid decarboxylase deficiency presents with impairment of neurotransmitter synthesis: catecholamine levels such as dopamine, epinephrine, and norepinephrine are low; and patients ... ... read more

The Genetic & Molecular Basis of Urate Calculi Formation in Dalmatians

1-3 All purebred Dalmatians tested excrete 20 fold higher amounts of urate, the salt of uric acid, in their urine than ... transport is essential to understanding the regulation of blood urate levels. ... read more