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Int J Clin Exp Med. 2015 Mar 15;8(3):4690-3. eCollection 2015.

Idiopathic ventricular premature contractions originating from the postero-lateral tricuspid annulus leading to left ventricular disfunction.

International journal of clinical and experimental medicine

Gabriel Cismaru, Petru Mester, Lucian Muresan, Radu Rosu, Gabriel Gusetu, Mihai Puiu, Dana Pop, Petru-Adrian Mircea, Dumitru Zdrenghea

Affiliations

  1. Department of Cardiology, Rehabilitation Hospital, University of Medicine and Pharmacy Iuliu Hatiegnu Cluj-Napoca Cluj-Napoca 400347, Romania.
  2. Medical Clinic No 1, University of Medicine and Pharmacy Iuliu Hatiegnu Cluj-Napoca Cluj-Napoca 400347, Romania.

PMID: 26064404 PMCID: PMC4443238

Abstract

A 19-year-old patient with premature ventricular complexes (PVCs) more than 30% on 24 hours was addressed for catheter ablation. Echocardiography showed left ventricular (LV) dilation and systolic dysfunction with 37% of ejection fraction. The patient underwent investigations including cardiac magnetic resonance (MRI) with no other cause of cardiomyopathy being found. Successful ablation of the postero-lateral tricuspid annulus ectopic focus using conventional radiological guiding resulted in normalization of the LV size and contractility. No PVCs were found at follow-up. To our knowledge, this is the first report of PVCs originating in the postero-lateral tricuspid annulus resulting in LV dysfunction.

Keywords: Premature ventricular complexes; ablation; postero-lateral tricuspid annulus

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