Backgroud Hypertension is a chornic of multifactorial and multigenetic disease, persistent high biood pressure leads to left vertricular hypertrophy(LVH), LVH is frequent clinical with significant morbidity and mortality comprising an independent cardiac risk factor;hemodynamics and neurohormone are importment cause of LVH elements, one of sympathetic nervous system be activated is chief regulate and compensation mechanis. β-adrenergic receptor is important function in the process of vertricular remodeling ...