Abstract 16195: Relationship Between Left Ventricular Mass and Central Blood Pressure During Exercise
2013
Background: We reported that central blood pressure after exercise increases with age. On the other hand, it is said that the elevation of central blood pressure had association with the increase of left ventricular mass index (LVMI). There is less clear whether left ventricular mass has effect on central blood pressure and pulse pressure amplification (PPA) after exercise. Methods: 139 patients (Men 85, Women 54) underwent exercise stress test and echocardiography within 1 week. The exclusion criteria indicated ejection fraction<50%, moderate or severe aortic and mitral valvular lesions, hypertrophic cardiomyopathy and old myocardial infarction. We divided them into two group, control and left ventricular hypertrophy (LVH) group by LVMI. They underwent symptom-limited treadmill exercise test with Bruce protocol and measured both brachial systolic blood pressure (bSBP) and central systolic blood pressure (cSBP) by HEM-9000AI at rest and after exercise. PPA was defined as the ratio of brachial to central p...
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