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首页> 外文期刊>The journal of clinical investigation >Myocardial stress and hypertrophy: a complex interface between biophysics and cardiac remodeling
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Myocardial stress and hypertrophy: a complex interface between biophysics and cardiac remodeling

机译:心肌压力和肥大:生物物理学与心脏重塑之间的复杂界面

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Pressure and volume overload results in concentric and eccentric hypertrophy of cardiac ventricular chambers with, respectively, parallel and series replication of sarcomeres. These divergent patterns of hypertrophy were related 40 years ago to disparate wall stresses in both conditions, with systolic wall stress eliciting parallel replication of sarcomeres and diastolic wall stress, series replication. These observations are relevant to clinical practice, as they relate to the excessive hypertrophy and contractile dysfunction regularly observed in patients with aortic stenosis. Stress-sensing mechanisms in cardiomyocytes and activation of cardiomyocyte death by elevated wall stress continue to intrigue cardiovascular scientists.
机译:压力和容量超负荷导致心脏心室的同心和偏心肥大,并分别平行和串行复制肉瘤。这些肥大的不同模式在40年前与两种情况下的不同壁应力有关,收缩期壁应力引起肉瘤的平行复制和舒张期壁应力的串联复制。这些观察结果与临床实践有关,因为它们与主动脉瓣狭窄患者中经常观察到的过度肥大和收缩功能障碍有关。心肌细胞中的压力感应机制和壁应力升高引起的心肌细胞死亡激活继续引起心血管科学家的兴趣。

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