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首页> 外文期刊>Journal of men’s health. >Stress Imaging in Men with Hypertrophic Cardiomyopathy and Erectile Dysfunction
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Stress Imaging in Men with Hypertrophic Cardiomyopathy and Erectile Dysfunction

机译:肥厚性心肌病和勃起功能障碍男性的应激显像

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Background: The management of erectile dysfunction in men with hypertrophic cardiomyopathy remains controversial, since phosphodiesterase 5 inhibitors can theoretically increase left ventricular outflow tract pressure gradient (PG), yet this increase may not be detected at rest.Case Description: Two hemodynamic supine bike stress tests with transthoracic echocardiography were performed on two subsequent mornings in a 65-year-old man with hypertrophic cardiomyopathy and episodes of presyncope. The patient was instructed to take Tadalafil before the first stress test, and Tadalafil and Vardenafil before the second stress test.Results: The left ventricular outflow tract PG recorded by continuous-wave Doppler in the transapical view increased between rest and peak exercise: APG on Tadalafil = +37mmHg; APG on Tadalafil and Vardenafil = +124mmHg.Conclusion: This report demonstrates a novel use of serial provocation imaging studies aimed at comparing left ventricular PGs at peak stress during the initiation and dose titration of phosphodiesterase 5 inhibitors. Further studies are needed to develop an evidence-guided algorithm for safe implementation of therapies for erectile dysfunction in this most common inherited cardiomyopathy.
机译:背景:肥厚型心肌病男性勃起功能障碍的治疗仍存在争议,因为理论上磷酸二酯酶5抑制剂可增加左心室流出道压力梯度(PG),但在静息状态下可能无法检测到这种增加。在随后的两个早晨,对一名65岁肥厚型心肌病和晕厥前发作的男子进行了经胸超声心动图检查。指导患者在第一次压力测试之前服用他达拉非,在第二次压力测试之前服用他达拉非和伐地那非。结果:在休息和峰值运动之间,连续波多普勒在经心尖视图中记录的左心室流出道PG增加:他达拉非= + 37mmHg; Tadalafil和Vardenafil = + 124mmHg上的APG。结论:本报告证明了一系列激发成像研究的新颖用途,旨在比较磷酸二酯酶5抑制剂的起始和剂量滴定期间左心室PG在峰值应力下的作用。需要开展进一步的研究来开发一种证据指导的算法,以在这种最常见的遗传性心肌病中安全实施勃起功能障碍的疗法。

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