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BACKGROUND Postprandial hypertriglyceridemia is known to cause endothelial dysfunction and increased oxidative stress. Oral supplements of l-arginine have been found to improve endothelial function. However, the effects of supplements of l-arginine on the influences of postprandial hypertriglyceridemia were not studied before. METHODS Forty young healthy(More)
Analysis of short-term heart rate variability (HRV) may provide useful information about autonomic nervous control of heart rate recovery. We studied 495 individuals (273 men), age range 19–85 years, submitted to treadmill exercise tests and short-term HRV evaluations over time (standard deviation of the normal-to-normal interval [SDNN], the square root of(More)
BACKGROUND Pulse wave velocity (PWV) is correlated with cardiovascular risk. This study presents a new method for measuring the arterial PWV by simultaneously recording the digital volume pulse through the finger and the toe by way of dual-channel photoplethysmography (PPG). METHODS In this study, 100 asymptomatic subjects (54 men and 46 women, 19 to 64(More)
It is unknown whether there has been any change in the causes of death for acute ST-segment elevation myocardial infarction (STEMI) in the era of aggressive reperfusion. We analyzed the direct causes of in-hospital death in patients with STEMI treated with primary percutaneous coronary intervention (PCI) in a tertiary referral center over the past 10(More)
Increased arterial stiffness is an important marker for target organ damage in essential hypertension. Both serum uric acid (UA) and C-reactive protein (CRP) were reported to be associated with target organ damage. However, the influences of UA and CRP on large arterial stiffness were not well elucidated. This study included 200 essential hypertension(More)
BACKGROUND Patients with end-stage renal disease on maintenance dialysis therapy have a high prevalence of cardiovascular risk factors and cardiovascular disease (CVD). A similar finding is noted in patients with chronic kidney disease (CKD). The important contributors are premature and accelerated atherosclerosis and vascular calcification. We assessed the(More)
OBJECTIVE Both arterial stiffness and proteinuria are important markers for organ damage in hypertension. This study was planed to investigate the association between arterial stiffness and inflammation and to define the influences of proteinuria on arterial stiffness and inflammation in non-diabetic hypertension. METHODS We enrolled 205 patients (mean(More)
BACKGROUND We hypothesized that contraction of the LA wall could be documented by speckle tracking and could be applied for assessment of LA function. This study tried to identify the association between LA longitudinal strain (LAS) and strain rate (LASR) measured by speckle tracking with paroxysmal atrial fibrillation (PAF). METHODS Fifty-two patients(More)
OBJECTIVE The serum concentration of procollagen type I carboxyterminal propeptide (PICP) is a good marker for collagen deposition in hypertension. Increased collagen deposition was associated with myocardial fibrosis and increased arterial stiffness. A decreased adiponectin level is associated with increased atherosclerosis. The role of adiponectin and its(More)