V
Vlastimil Vondra
Researcher at Academy of Sciences of the Czech Republic
Publications - 50
Citations - 343
Vlastimil Vondra is an academic researcher from Academy of Sciences of the Czech Republic. The author has contributed to research in topics: QRS complex & Pulse wave velocity. The author has an hindex of 8, co-authored 46 publications receiving 259 citations.
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Journal ArticleDOI
Left bundle branch pacing compared to left ventricular septal myocardial pacing increases interventricular dyssynchrony but accelerates left ventricular lateral wall depolarization.
Karol Curila,Pavel Jurák,Marek Jastrzębski,Frits W. Prinzen,Petr Waldauf,Josef Halamek,Kevin Vernooy,Radovan Smisek,Radovan Smisek,Jakub Karch,Filip Plesinger,Paweł Moskal,Marketa Susankova,Lucie Znojilova,Luuk I.B. Heckman,Ivo Viscor,Vlastimil Vondra,Pavel Leinveber,Pavel Osmancik +18 more
TL;DR: In this article, the authors compared different pacing techniques using ultra-high-frequency electrocardiography (UHF-ECG) and found that nsLBBp resulted in larger e-DYS than did LVSP and nsHBp.
Journal ArticleDOI
Ventricular dyssynchrony assessment using ultra-high frequency ECG technique.
Pavel Jurák,Josef Halamek,Jaroslav Meluzín,Filip Plesinger,Tereza Postranecka,Jolana Lipoldová,Miroslav Novák,Vlastimil Vondra,Ivo Viscor,Ladislav Soukup,Petr Klimes,Petr Vesely,Josef Šumbera,Karel Zeman,Roshini Asirvatham,Jason Tri,Samuel J. Asirvatham,Pavel Leinveber +17 more
TL;DR: UHFQRS offers a new and simple technique for assessing electrical activation patterns in ventricular dyssynchrony with a temporal-spatial resolution that cannot be obtained by processing standard surface ECG.
Use of a novel transfer function to reduce repolarization
Josef Halamek,Pavel Jurák,T. Jared Bunch,Jolana Lipoldová,Miroslav Novák,Vlastimil Vondra,Pavel Leinveber,M. Plachy,Tomas Kara,Marco Villa,P. Frana,Miroslav Souček,Virend K. Somers,Samuel J. Asirvatham +13 more
TL;DR: In this article, a transfer function (TRF) model was developed and tested to assess the effectiveness of a dynamic model of QT/RR coupling in eliminating hysteresis.
Journal ArticleDOI
Use of a novel transfer function to reduce repolarization interval hysteresis
Josef Halamek,Pavel Jurák,T. Jared Bunch,Jolana Lipoldová,Miroslav Novák,Vlastimil Vondra,Pavel Leinveber,M. Plachy,Tomas Kara,Marco Villa,Petr Fráňa,Miroslav Souček,Virend K. Somers,Samuel J. Asirvatham +13 more
TL;DR: The TRF model limited QT hysteresis in healthy, hypertensive, and pacemaker-dependent patients and an important finding of QT drift in patients with hypertension was identified.
Journal ArticleDOI
Ventricular Electrical Delay Measured From Body Surface ECGs Is Associated With Cardiac Resynchronization Therapy Response in Left Bundle Branch Block Patients From the MADIT-CRT Trial (Multicenter Automatic Defibrillator Implantation-Cardiac Resynchronization Therapy)
Filip Plesinger,Pavel Jurák,Josef Halamek,Petr Nejedly,Pavel Leinveber,Ivo Viscor,Vlastimil Vondra,Scott McNitt,Bronislava Polonsky,Arthur J. Moss,Wojciech Zareba,Jean-Philippe Couderc +11 more
TL;DR: Left bundle branch block patients with a high baseline VED value benefited most from CRT, whereas left bundle branch blocks patients with low VED did not show CRT benefits.