Korean Circulation Journal

  • 제45권5호
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  • Pages.391-397
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  • 2015
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  • 1738-5520(pISSN)
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  • 1738-5555(eISSN)
대한심장학회 (The Korean Society of Cardiology)
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Clinical Characteristics and Features of Frequent Idiopathic Ventricular Premature Complexes in the Korean Population

  • Hwang, Jin Kyung (Division of Cardiology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Park, Seung-Jung (Division of Cardiology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • On, Young Keun (Division of Cardiology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Kim, June Soo (Division of Cardiology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Park, Kyoung-Min (Division of Cardiology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine)
  • 투고 : 2014.11.08
  • 심사 : 2015.04.02
  • 발행 : 2015.09.30
⟨ 이전 논문 다음 논문 ⟩

초록

Background and Objectives: Frequent ventricular premature complexes (VPCs) increase the risk of cardiomyopathy (CMP). However, most data regarding VPCs have been obtained from Western population and in-hospital patient-based studies. The objective of this study was to define the clinical characteristics and features of idiopathic VPCs in the Korean population. Subjects and Methods: We investigated subjects undergoing transthoracic echocardiography and documented VPC burdens >1% by Holter monitoring in an outpatient clinic at Samsung Medical Center, Korea. We analyzed demographic and clinical features and the nature of the VPCs by electrocardiography (ECG). Results: A total of 666 patients were registered. Mean age was $54.7{\pm}16.8years$, and 365 (54.8%) patients were female. Typical VPC-related symptoms, such as palpitation and a dropped beat, were observed in 394 (59.2%) patients. Some patients received beta-blockers (n=95; 14.3%) and anti-arrhythmic agents (n=14; 2.1%). The ECG analysis was performed in 405 patients; 322 (79.5%) exhibited left bundle branch block (LBBB) and 347 (85.8%) exhibited an inferior axis. The precordial R-wave transition was predominantly distributed over V3 in 230 patients (56.6%). Thirty-one patients (4.5%) were diagnosed with VPC-induced CMP. Conclusion: The incidence of frequent VPCs was slightly higher in females, and palpitation was the most frequent complaint. The most common ECG features were LBBB, inferior axis, and late precordial R-wave transition.

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참고문헌

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피인용 문헌

  1. Is the stroke volume during post-ectopic beat associated with ventricular premature complex-related symptoms? vol.20, pp.2, 2015, https://doi.org/10.1093/europace/eux170