【摘要】 目的　探讨老年单纯收缩期高血压患者 2 4h平均脉压与心功能的关系。　方法　选择老年单纯收缩期高血压患者 72例 ,应用动态血压监测技术测定 2 4h平均脉压 ,放射性核素心血池显像技术测定左心室收缩与舒张功能。　结果　 2 4h平均脉压与左心室射血分数 (r =- 0 46,P <0 0 1)、高峰充盈率 (r =- 0 41,P <0 0 5 )呈负相关 ,平均脉压越大 ,心功能越差 (P <0 0 5 )。　结论　老年单纯收缩期高血压患者心脏功能与 2 4h平均脉压呈负相关 ,脉压可作为心功能受损的预测因子之一。更多还原

【Abstract】 Objective To study the effect of mean pulse pressure during 24 hours on cardiac function in the elderly with isolated systolic hypertension. Methods Seventy two elderly patients with isolated systolic hypertension were enrolled to determine mean pulse pressure by monitoring 24 hour ambulatory blood pressure and to analyze the cardiac function by nuclide cardiac blood pool imaging. Results 24 hour mean pulse pressure negatively correlated with left ventricular ejection fraction (LVEF)( r =-0 46, P <0 01), and also with peak filling rate (PFR) ( r =-0 41 , P <0 05). The greater the mean pulse pressure, the worse the cardiac function ( P <0 01). Conclusions The 24 hour mean pulse pressure was an important factor predicting risk for cardiac disfunction in the elderly with isolated systolic hypertension.更多还原