Methods Coronary blood flow (CBF) intra-arterial blood pressure, heart rate, and coronary vascular resistance (CVR) were measured at rest, during isometric exercise before and 60 min after Losartan (25 mg/kg, ig).

• 结果发现 ,Losartan明显降低高血压大鼠的平均动脉压和冠状动脉阻力 ,明显增加其冠状动脉血流量 ,而对其心率无明显影响 ;