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OBJECTIVE We examined the relationship among the serum omega-3 and omega-6 fatty acid (O3FA and O6FA) levels, serum C-reactive protein (CRP) levels, and arterial stiffness/wave reflection (AS/WR) in healthy Japanese men. METHODS In 2206 Japanese healthy men, parameters related to the AS/WR (i.e., brachial-ankle pulse wave velocity and radial arterial(More)
BACKGROUND This prospective cross-sectional study was conducted to clarify whether serum cystatin C levels might be associated with not only arterial stiffness, but also the pressure wave reflection, in middle-aged Japanese subjects with normal renal function or mild chronic kidney disease (CKD) (stage 1 or 2 CKD) (i.e., creatinine-based estimate of the(More)
BACKGROUND The present study was conducted to clarify whether azelnidipine might have beneficial effects on autonomic functions, and whether such beneficial effects might affect the vascular functions (i.e., arterial stiffness and endothelial function). METHODS AND RESULTS This study with a cross-over design was conducted in 21 hypertensive patients (65(More)
We examined whether the central aortic systolic blood pressure, a marker of the function of the systemic arterial tree, might be a more powerful predictor of the development of hypertension than the brachial-ankle pulse wave velocity, a marker of the stiffness of the large- to middle-sized arteries, independent of the conventional risk factors for the(More)
OBJECTIVE We evaluated the temporal association between arterial stiffening and the early stage of renal functional decline. METHODS In 2053 Japanese employees with an estimated glomerular filtration rate (GFR) of > or = 60 ml/min/1.73 m(2) plus no proteinuria (40+/-8 years old) at the start, brachial-ankle pulse wave velocity (baPWV) and serum C-reactive(More)
BACKGROUND AND OBJECTIVES This study was conducted to clarify whether individuals with mildly impaired renal function show increased arterial stiffness, microinflammation, and oxidative stress as compared with those with normal renal function and also to examine the association of these parameters with the degree of GFR loss in middle-aged Japanese men with(More)
OBJECTIVES We prospectively and longitudinally determined the effects of smoking on the progression of arterial stiffening as well as the involvement of inflammation in this process. BACKGROUND Smoking is an important avoidable risk factor for cardiovascular disease, and arterial stiffness might be involved in the pathophysiology. No prospective study has(More)
OBJECTIVES Temporal associations between rates of increases in pulse wave velocity (PWV), a marker of arterial stiffness, and heart rate (HR) indices (baseline HR and changes in HR) as well as inflammatory markers were examined. METHODS In 1795 apparently healthy Japanese individuals (mean age 39 +/- 8 years old), brachial-ankle PWV (baPWV) and serum(More)
OBJECTIVES We evaluated whether the changes in the insulin sensitivity observed in hypertensive patients following treatment with an angiotensin II receptor blocker (candesartan) or calcium-channel antagonist (amlodipine) might be related to improvement of the endothelial function (END) and/or plasma level of high-sensitive C-reactive protein (CRP)(More)
OBJECTIVE Increased arterial stiffness and sympathovagal imbalance are noted in patients with obstructive sleep apnea (OSA). It has been thought that continuous positive airway pressure (CPAP) therapy can have beneficial effects on the vascular function in such cases. However, it is not yet clear whether the improvement of sympathovagal balance by CPAP(More)