Shiraishi Hirokazu, Ishibashi Kazuya, Urao Norifumi, Tsukamoto Masaki, Hyogo Masayuki, Keira Natsuya, Hirasaki Satoshi, Shirayama Takeshi, Nakagawa Masao
Department of Cardiology, Kyoto Prefectural Yosanoumi Hospital, Kyoto, Japan.
Circ J. 2002 Nov;66(11):1065-7. doi: 10.1253/circj.66.1065.
Tachycardia-induced cardiomyopathy is a well-known and reversible condition, but the left ventricular dysfunction caused by frequent isolated premature ventricular complexes (PVCs) has been rarely reported. Apparent dilated cardiomyopathy was resolved in a patient after the focal source of PVCs was eliminated by radiofrequency catheter ablation. Echocardiography showed progressive improvement of the abnormal wall motion. Frequent PVCs could be the cause of left ventricular dysfunction in a subset of patients with dilated cardiomyopathy and radiofrequency ablation should be the choice of therapy in those patients.
心动过速性心肌病是一种众所周知的可逆性疾病，但由频繁孤立性室性早搏（PVC）引起的左心室功能障碍鲜有报道。一名患者在通过射频导管消融消除PVC的病灶源后，明显的扩张型心肌病得到缓解。超声心动图显示异常壁运动逐渐改善。在一部分扩张型心肌病患者中，频繁PVC可能是左心室功能障碍的原因，对于这些患者，射频消融应作为治疗选择。
