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Symptoms of advanced heart failure—A case for radiofrequency catheter ablation?

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Abstract

A sixty-year-old man with previous history of coronary artery disease was admitted due to progressive worsening of dyspnoea at exertion (NYHA III functional class) and no angina. Coronary angiography confirmed occlusion of the right coronary artery which was naturally bypassed by homocollaterals with TIMI 3 flow to the peripheral branches. The lesion was not technically suitable for percutaneous angioplasty. The left coronary artery was without stenosis. On echocardiography, both the left ventricle and the left atrium were dilated and hemodynamically significant mitral regurgitation was present. Surface ECG showed a left bundle branch block with repeated runs of monomorphic ventricular ectopic beats (PVC). Radiofrequency catheter ablation of the focus in the posteroseptal region of the left ventricle underneath the mitral valve was performed using electroanatomical mapping system. After the procedure, mitral regurgitation decreased and reverse remodeling of the left ventricle and the left atrium occurred with concomitant significant clinical improvement of the patient. The authors discuss several treatment strategies: mitral valve repair surgery combined with revascularization, implantation of a biventricular ICD system or elimination of the focus of monomorphic VT runs by radiofrequency catheter ablation as a possible causal approach in the treatment of PVC-induced cardiomyopathy.

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Authors and Affiliations

  1. Department of Internal Medicine, University Hospital Olomouc, I. P. Pavlova 6, 775 20, Olomouc, Czech Republic

    Alan Bulava, Petr Heinc, Martin Hutyra, Malvina Krivankova, Marek Richter & Jan Lukl

  2. Department of Nuclear Medicine, University Hospital Olomouc, Olomouc, Czech Republic

    Milan Kaminek

  3. Palacky University, Olomouc, Czech Republic

    Petr Heinc, Martin Hutyra, Milan Kaminek, Malvina Krivankova, Marek Richter & Jan Lukl

Authors
  1. Alan Bulava
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  2. Petr Heinc
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  3. Martin Hutyra
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  4. Milan Kaminek
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  5. Malvina Krivankova
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  6. Marek Richter
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  7. Jan Lukl
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Correspondence to Alan Bulava.

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Bulava, A., Heinc, P., Hutyra, M. et al. Symptoms of advanced heart failure—A case for radiofrequency catheter ablation?. J Interv Card Electrophysiol 16, 117–122 (2006). https://doi.org/10.1007/s10840-006-9017-5

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  • DOI: https://doi.org/10.1007/s10840-006-9017-5

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