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BACKGROUND Poststreptococcal reactive arthritis (PSReA) is a recognized inflammatory articular syndrome that follows group A streptococcal infection in persons not fulfilling the Jones criteria for the diagnosis of acute rheumatic fever. Characteristic features include nonmigratory arthritis, lack of response to aspirin or nonsteroidal anti-inflammatory(More)
The multifactorial origin of arteriosclerotic cardiovascular diseases is well recognized. It recently has been shown that n-3 fatty acids (FA), contained in fish oils, may correct some of the most important cardiovascular risk factors and may interfere with key steps in the formation of the atherosclerotic plaque. These findings have raised such interest(More)
It has been suggested that endogenous substances (known as ouabain-like factors, OLF), secreted from the central nervous system in response to salt and water retention, inhibit the cell membrane Na+/K+ pump in the renal tubules and reduce sodium reabsorption. However, by also acting upon vascular smooth muscle cells, they may induce cell Na+ and Ca++(More)
The electrogram (EG) of the isolated rat heart during ischemic or anoxic perfusion has been studied. Reduction of the coronary flow rate (CFR) induced an increase of voltage (V) both in unipolar epicardial EG and in transmural bipolar EG. The V increase did not occur during anoxic perfusin. The ischemic increase cannot be due to a disturbance in the(More)
To assess the efficacy and safety of different doses of the alpha-1 blocker terazosin on long-term therapy, 12 essential hypertensives (7 males, 5 females, aged 27-61) were investigated. The study was conducted according to the Latin square design and each patient underwent 4 periods of treatment with 2, 5, 10 mg/day terazosin and placebo, in a(More)
OBJECTIVE To ascertain the relationships between the kinetic properties of erythrocyte Na+-H+ exchange [maximum kinetic energy (Vmax), Michaelis constant (Km) for internal H+ and Hill's coefficient], Na+-Li+ (Vmax and Km for external Na+), and metabolic parameters in normotensive controls and hypertensive subjects. MATERIALS AND METHODS Na+-H+ exchange(More)