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| UDK 616.12-085.817 |
ISSN 035-2899, 39(2014) br.4 p.205-209 |
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Original paper Influence of pacemaker leads position in the right ventricle on left ventricular ejection fraction and volume (Uticaj položaja pejsmejker elektrode u desnoj komori na ejekcionu frakciju i volumene leve komore) Vladimir Mitov (1), Zoran Perišić (2), Aleksandar Jolić (1), Željka Aleksić (3), Dragana Adamović (1), Lale Zastranović (1), Aleksandar Aleksić (1), Tomislav Kostić (2), Miloš Stević (4) (1) Odeljenje kardiologije, ZC Zaječar, (2) Odeljenje invazivne kardiologije, KC Niš, (3) Služba nuklearne medicine, ZC Zaječar, (4) Institut za nuklearnu medicinu, KC Niš |
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| Download in pdf format | Extended summary:
The aim of this paper is to assess the influence of RVOT (Right
Ventricle Outflow Tract) and RVA (Right Ventricle Apex) position of
ventricle pacemaker lead on LVEF and volume, after 12 months of
pacemaker stimulation in patients with preserved LVEF. The LVEF was
measured with two independent methods, RNV (radionuclide
venticulography) and echocardiography. Patients and methodology:
this was prospective, randomized follow up study that lasted for 12
months. Our research enveloped 132 consecutive patients implanted
with permanent antibradicardiac pacemaker in Zaječar Pacemaker
Centre during the period of 2009 to 2011. Regarding the electrode
position, all patients were divided into two groups: RVA group with
61 patients with ventricle lead implanted in the right ventricle
apex and RVOT group with 71 patients with ventricle lead implanted
in right ventricle outflow tract. Results: On study enrollment,
there was no group difference in the distribution of gender, age,
BMI, VVI to DDD implantation ratio, LVEF, ESV, EDV measured with RNV,
and to ESD, EDD, ESV, ESVI measured with echocardiography. After 12
months of pacemaker stimulation, the groups showed no difference in
systolic parameters measured with RNV and echo. The only observation
was that the ESVI and ESVI measured with echo were slightly elevated
on the border of statistical significance only in the RVOT group.
Conclusion: Pacemaker stimulation from RVOT or RVA in patients with
preserved left ventricle systolic function did not have a negative
effect on ejection fraction or left ventricle volumes after 12
months of pacemaker stimulation, measured by two independent
noninvasive diagnostic methods. Key words: RVA, RVOT, pacemaker stimulation, left ventricle systolic function Napomena: kompletan tekst rada na srpskom jeziku Note: full text in Serbian |
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Corresponding Address: Vladimir Mitov Interno odeljenje, Zdravstveni Centar Zaječar, Rasadnička bb, 19 000 Zaječar, Srbija; E-mail: mitov@ptt.rs |
Paper received: 14.9.2014 Paper accepted: 15.9.2014 Paper Internet issues: 17.11.2014 |
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