Left ventricular pacing in patients with heart failure: Evaluation study with Fourier analysis of radionuclide ventriculography (303 views)
Ital Heart J (ISSN: 1129-471x), 2004 Dec; 5(12): 906-911.
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Paper type: Journal Article,
Impact factor: 6.023, 5-year impact factor: 5.233
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Keywords: Biventricular Pacing, Congestive Heart Failure, Fourier Analysis, Aged, Article, Artificial Heart Pacemaker, Congestive Cardiomyopathy, Defibrillator, Follow Up, Gated Imaging, Heart Bundle Branch Block, Heart Left Ventricle Function, Heart Pacing, Heart Stroke Volume, Human, Middle Aged, Pathophysiology, Scintiscanning, Bundle-Branch Block, Cardiac Pacing, Dilated, Implantable, Follow-Up Studies, Gated Blood-Pool Imaging, Ventricular Dysfunction,
Affiliations:
*** IBB - CNR ***
Department of Cardiology, Federico II University, Via S. Pansini 5, 80131 Naples, Italy
Department of Biomorphological and Functional Sciences, Federico II University, Via S. Pansini 5, 80131 Naples, Italy
References:
Not available.
Ital Heart J (ISSN: 1129-471x), 2004 Dec; 5(12): 906-911.
Export to BibTeX Export to EndNote
Paper type: Journal Article,
Impact factor: 6.023, 5-year impact factor: 5.233
Url: Not available.
Keywords: Biventricular Pacing, Congestive Heart Failure, Fourier Analysis, Aged, Article, Artificial Heart Pacemaker, Congestive Cardiomyopathy, Defibrillator, Follow Up, Gated Imaging, Heart Bundle Branch Block, Heart Left Ventricle Function, Heart Pacing, Heart Stroke Volume, Human, Middle Aged, Pathophysiology, Scintiscanning, Bundle-Branch Block, Cardiac Pacing, Dilated, Implantable, Follow-Up Studies, Gated Blood-Pool Imaging, Ventricular Dysfunction,
Affiliations:
*** IBB - CNR ***
Department of Cardiology, Federico II University, Via S. Pansini 5, 80131 Naples, Italy
Department of Biomorphological and Functional Sciences, Federico II University, Via S. Pansini 5, 80131 Naples, Italy
References:
Not available.
Left ventricular pacing in patients with heart failure: Evaluation study with Fourier analysis of radionuclide ventriculography
Background. In order to correct the activation, contraction, and relaxation asynchronism, multisite biventricular stimulation has been proposed as a non-pharmacological alternative for the treatment of patients with congestive heart failure (CHF) NYHA class II-III-IV, resistant to maximal drug therapy and with a QRS duration > 120 ms. Fourier analysis appears a feasible technique for the quantitative and non-invasive evaluation of the inter- and intraventricular conduction delays. The aim of our study was to evaluate the usefulness of Fourier analysis when estimating the electromechanical resynchronization in CHF biventricular paced patients and to follow up these patients. Methods. Forty-five male patients (mean age 64 ± 5 years) with severe drug-refractory CHF, were submitted to radionuclide ventriculography 14 ± 7 days, 24 and 36 months after the implantation of a biventricular pacemaker, in order to assess left ventricular ejection fraction using Fourier analysis of the right and left ventricular phase images. Each patient was examined during spontaneous sinus rhythm, P-synchronous right ventricle and P-synchronous biventricular pacing. Results. Fourteen days after biventricular pacemaker implantation, QRS duration decreased from 170 ± 25 to 147 ± 25 ms (p < 0.01), left ventricular ejection fraction increased from 24 ± 6 to 31 ± 9% (p < 0.005), while standard deviation of the left ventricular phase decreased from 53 ± 6 to 35 ± 9% (p < 0.0005). Similar results were obtained at 24 and 36 months. Conclusions. Biventricular pacing appears to be associated with shortening of QRS duration and an improvement in NYHA class and left ventricular ejection fraction in CHF patients with inter- and intraventricular conduction delays as assessed at Fourier analysis radionuclide ventriculography. © 2004 CEPI Srl.
Background. In order to correct the activation, contraction, and relaxation asynchronism, multisite biventricular stimulation has been proposed as a non-pharmacological alternative for the treatment of patients with congestive heart failure (CHF) NYHA class II-III-IV, resistant to maximal drug therapy and with a QRS duration > 120 ms. Fourier analysis appears a feasible technique for the quantitative and non-invasive evaluation of the inter- and intraventricular conduction delays. The aim of our study was to evaluate the usefulness of Fourier analysis when estimating the electromechanical resynchronization in CHF biventricular paced patients and to follow up these patients. Methods. Forty-five male patients (mean age 64 ± 5 years) with severe drug-refractory CHF, were submitted to radionuclide ventriculography 14 ± 7 days, 24 and 36 months after the implantation of a biventricular pacemaker, in order to assess left ventricular ejection fraction using Fourier analysis of the right and left ventricular phase images. Each patient was examined during spontaneous sinus rhythm, P-synchronous right ventricle and P-synchronous biventricular pacing. Results. Fourteen days after biventricular pacemaker implantation, QRS duration decreased from 170 ± 25 to 147 ± 25 ms (p < 0.01), left ventricular ejection fraction increased from 24 ± 6 to 31 ± 9% (p < 0.005), while standard deviation of the left ventricular phase decreased from 53 ± 6 to 35 ± 9% (p < 0.0005). Similar results were obtained at 24 and 36 months. Conclusions. Biventricular pacing appears to be associated with shortening of QRS duration and an improvement in NYHA class and left ventricular ejection fraction in CHF patients with inter- and intraventricular conduction delays as assessed at Fourier analysis radionuclide ventriculography. © 2004 CEPI Srl.
Left ventricular pacing in patients with heart failure: Evaluation study with Fourier analysis of radionuclide ventriculography
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Left ventricular pacing in patients with heart failure: Evaluation study with Fourier analysis of radionuclide ventriculography
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Impact Factor: 3.883
View Export to BibTeX Export to EndNote
Ferro A, Duilio C, Santomauro M, Cuocolo A
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Eur Heart J (ISSN: 0195-668x), 2003 Dec; 24(23): 2123-2132.
Impact Factor: 5.997
View Export to BibTeX Export to EndNote
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View Export to BibTeX Export to EndNote
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View Export to BibTeX Export to EndNote
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Impact Factor: 1.368
View Export to BibTeX Export to EndNote
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Impact Factor: 0.967
View Export to BibTeX Export to EndNote
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Impact Factor: 3.491
View Export to BibTeX Export to EndNote
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Impact Factor: 2.402
View Export to BibTeX Export to EndNote
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Impact Factor: 0
View Export to BibTeX Export to EndNote
Morisco C, Argenziano L, Sarno D, Cuocolo A, Romano M, Trimarco B
The practical aspects of treatment in heart failure (351 views)
Ann Ital Med Int (ISSN: 0393-9340), 1993 Oct; 8Suppl: 14S-19S.
Impact Factor: 0
View Export to BibTeX Export to EndNote
Di Blasio B, Pavone V, Nastri F, Isernia C, Saviano M, Pedone C, Cucinotta V, Impellizzeri G, Rizzarelli E, Vecchio G
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P Natl Acad Sci Usa (ISSN: 0027-8424, 1091-6490, 0027-8424print), 1992 Sep 1; 89(15): 7218-7221.
Impact Factor: 9.04
View Export to BibTeX Export to EndNote
Nappi A, Cuocolo A, Nicolai E, Imbriaco M, Pace L, Salvatore M
Ambulatory monitoring of left ventricular function with a radionuclide detector system (307 views)
Radiol Med (ISSN: 0033-8362, 1826-6983, 1826-6983electronic), 1992; 84(1-2): 132-139.
Impact Factor: 0.967
View Export to BibTeX Export to EndNote
20 Records (20 excluding Abstracts).
Total impact factor: 51.931 (51.931 excluding Abstracts).
Total 5 year impact factor: 65.111 (65.111 excluding Abstracts).
Total impact factor: 51.931 (51.931 excluding Abstracts).
Total 5 year impact factor: 65.111 (65.111 excluding Abstracts).
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